All Wiring Diagrams for BMW 128i 2012

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Automatic A/C Wiring Diagram (1 of 2) for BMW 128i 2012:

• (3.0l twin turbo) a/c compressor control valve
• (right rear of engine compt) x6454
• 3.0l
• 3.0l twin turbo
• 30g sply
• 5v sply
• A/c compressor control valve (3.0l)
• Air distribution micro switch (on hvac unit)
• Auc sensor (right rear of engine compt)
• Auxiliary water pump (left rear of engine compt)
• Blower motor (on hvac unit)
• Blower output stage
• Blower sig
• Can bus sig
• Center console switch center
• Computer data lines system
• Condensation sensor (center of windshield)
• Convertible top module (behind left rear seat)
• Coolant pressure sensor (right front of engine compt)
• Electronics junction box
• Evaporator temperature sensor (on hvac unit)
• Footwell temperature sensor (on hvac unit)
• Fuse 10a
• Fuse 40a
• Fuse 5a
• Gnd
• Heating/air conditioning system (center of dash, above radio)
• Hot at all times
• Hot w/ terminal 15 relay energized
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Lighting sig
• Lin bus sig
• Mixing air control
• Nca
• Red
• Roof function control center
• Sens gnd
• Sens sig
• Sens sply
• Solar sensor (top center of dash)
• Stepper gnd
• Stepper sply
• Sw center sig
• Ventilation temperature sensor (on hvac unit)
• Volt sply
• Water valve (left side of auxiliary water pump)
• X01198
• X01199
• X04010
• X10012
• X10254
• X11001
• X11011
• X14270
• X14271
• X14272
• X14286
• X14288
• X165 (left side of engine compt)
• X490
• X6011
• X608
• X6454 (right rear of engine compt)

Automatic A/C Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Automatic A/C Wiring Diagram (2 of 2) for BMW 128i 2012:

• 3.0l
• 3.0l twin turbo
• Activation
• Air distribution flap motor (on hvac unit)
• Can hi
• Can low
• Characteristic map thermostat (rear of engine)
• Computer data lines system
• Defroster flap motor (on hvac unit)
• Dme control module (right rear of engine compt)
• Electric coolant pump (rear of engine)
• Electric fan (front of engine compt)
• Electric fan 400 watt
• Electric fan 600 watt
• Electric fan cut out relay
• Engine coolant temperature sensor (rear of engine)
• Footwell flap motor (on hvac unit)
• Fresh air/recirculated air flap motor (on hvac unit)
• Fuse 10a
• Fuse 30a
• Fuse 50a
• Fuse 5a
• Fuse 60a 50a
• Hot at all times
• Hot w/ dme relay energized
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left mixed air flap motor (on hvac unit)
• Mixer flap motor (on hvac unit)
• Radiator shutter driver (3.0l) (on radiator grille assembly)
• Radiator shutter solenoid
• Red
• Right mixed air flap motor (on hvac unit)
• Sens gnd
• Sens sig
• Sig
• Ventilation flap motor (on hvac unit)
• X10647
• X11002
• X11003
• X11004
• X11005
• X11011
• X166 (right side of engine compt)
• X490
• X60001
• X60002
• X60003
• X60007
• X6041
• X60552
• X60571
• X62790
• X6455 (right side of engine coolant pump)
• X8683

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram for BMW 128i 2012

List of elements for Anti-lock Brakes Wiring Diagram for BMW 128i 2012:

• (not used)
• Active steering (if equipped) (behind left front wheel)
• Brake fluid level switch (left rear of engine compt)
• Brake light switch (under left side of dash)
• Brk fld lvl
• Brk light
• Car access system (under left side of dash)
• Computer data lines system
• Cond whl spd
• Dme control unit (right rear of engine compt)
• Dsc sens
• Dsc sensor (under driver's seat)
• Dsc sensor 2
• Dynamic stability control (dsc) (left rear of engine compt)
• Electronics junction box
• Exterior lights system
• F-can high
• F-can-low
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Ground
• Hazard warning switch
• Hot at all times
• Hot w/ term 30g relay energized
• Junction box (under right side of dash)
• Left front brake pad wear sensor (behind left front wheel)
• Left front wheel speed sensor (front of left front wheel)
• Left rear wheel speed sensor (behind left rear wheel)
• Lf brk pad
• Lf whl out
• Lf whl spd
• Lr whl spd
• Nca
• Parking brake warning switch (under center console)
• Parking brk
• Pt can high
• Pt can low
• Red
• Rf brk pad
• Rf whl out
• Rf whl spd
• Right front wheel speed sensor (front of right front wheel)
• Right rear brake pad wear sensor (front of right rear wheel)
• Right rear wheel speed sensor (behind right rear wheel)
• Rr brk pad
• Rr whl out
• Rr whl spd
• Steering column switch cluster
• Telephone transceiver (center of rear compt)
• Terminal 30
• Terminal 30g
• W/ navigation
• W/o navigation
• Wake up
• X1108 (under left side of dash)
• X14133
• X170 (left side of engine compt)
• X1880
• X60001
• X9331

ANTI-THEFT

Access/Start Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Access/Start Wiring Diagram (1 of 2) for BMW 128i 2012:

• (under left side of dash) x1108
• (under left side of dash) x173
• 3.ol
• 3.ol twin turbo
• A/t
• Aerial diversity (bottom center of rear window)
• Anti-lock brakes system
• Brake lght
• Brake light switch (under left side of dash)
• Car access system (under left side of dash)
• Center isg
• Clutch switch module (under left side of dash)
• Computer data lines system
• Convertible
• Coupe
• Dc/dc converter (right rear of engine compt)
• Dme control module (right rear of engine compt)
• Ecu
• Elec str +
• Elec str -
• Electric steering column adjustment (behind steering wheel)
• Electronic interior rear view mirror
• Eng strt sig
• Exterior lights system
• Fbd receiver
• Footwell module (under left side of dash)
• Fuse f36 40a
• Fuse f55 5a
• Fuse f61 5a
• Ground
• Hood contact switch (left rear of engine compt)
• Hot at all times
• Immob sig
• Interlck sens
• Junction box (under right side of dash)
• K can h
• K can l
• Lid contact
• M/t
• Multiple restraint system control unit (rear of center console)
• Nca
• Pa bus
• Rear lid sig
• Red
• Remote control receiver
• Rmte cntrl sig
• Seat occupancy detector (under front passenger's seat)
• Starting/charging system
• Tcu
• Tele sig
• Term 15 sig
• Term 30
• Term 30g
• Term 50 sig
• Term r
• Term r sig
• Terminal 30g relay
• Terminal relay
• Trans sig
• Transmission control module
• Transmissions system
• Trunk, tailgate, fuel doors system
• Wake up
• Wheel spd sig
• X10254
• X11004
• X11007
• X11010
• X1108 (under left side of dash)
• X13376
• X14133
• X14261
• X14271
• X173 (under left side of dash)
• X18069
• X279
• X60001
• X6031
• X8500
• X9331

Access/Start Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Access/Start Wiring Diagram (2 of 2) for BMW 128i 2012:

• Car access system (under left side of dash)
• Comfort access control module (right side of rear compt)
• Computer data lines system
• Driver's side outer door handle electronic module
• Front inner antenna center console
• Passenger's side outer door handle electronic module
• Rear bumper aerial
• Rear inner antenna luggage compartment
• Rear interior antenna center console
• Red
• Slide-in compartment
• Start-stop button
• X10318
• X173 (under left side of dash)
• X256
• X257
• X490
• X494 (coupe) x498 (convertible) (coupe: right rear side of interior panel) (convertible: right side of rear compt)

Anti-theft Wiring Diagram (1 of 3) for BMW 128i 2012

List of elements for Anti-theft Wiring Diagram (1 of 3) for BMW 128i 2012:

• (right rear side of interior panel) x494
• Aerial diversity (bottom center of rear window)
• Boot lid button
• Car access system (under left side of dash)
• Computer data lines system
• Convertible
• Coupe
• Driver's door system lock (left front door)
• Electrochromic interior rear
• Fbd receiver
• Footwell module (under left side of dash)
• Fuse f72 15a
• Fuse f73 15a
• Glove compartment central locking drive unit (convertible)
• Hazard warning switch
• Hood contact switch (left rear of engine compt)
• Hot at all times
• Hotel switch
• Interior lights system
• Junction box (under right side of dash)
• Junction box ecu
• Remote control receiver
• View mirror
• X04010
• X1108 (under left side of dash)
• X13376
• X14261
• X14270
• X14271
• X14272
• X173 (under left side of dash)
• X1o254
• X257

Anti-theft Wiring Diagram (2 of 3) for BMW 128i 2012

List of elements for Anti-theft Wiring Diagram (2 of 3) for BMW 128i 2012:

• (center of roof) interior movement detector
• Center roof function control
• Convertible
• Coupe
• Fuel filler flap central locking drive (right side of rear compt)
• Fuse f54 7.5a
• Hot at all times
• Interior lights system
• Junction box (under right side of dash)
• Passenger compartment central locking drive (convertible)
• Passenger's door system lock
• Rear lid release switch (interior)
• Siren & tilt alarm sensor
• X11007
• X1108 (under left side of dash)
• X14286
• X14288
• X14289
• X151 (left side of rear compt)
• X256
• X490

Anti-theft Wiring Diagram (3 of 3) for BMW 128i 2012

List of elements for Anti-theft Wiring Diagram (3 of 3) for BMW 128i 2012:

• (convertible) siren w/ tilt alarm sensor
• Anti- theft alarm led
• Boot lid central locking drive
• Computer data lines system
• Convertible
• Coupe
• Driver's door microwave sensor
• Electrochromic interior rear view mirror
• Fuse f63 5a
• Hot at all times
• Interior lights system
• Junction box (under right side of dash)
• Passenger's door microwave sensor
• Power distribution system
• Right rear microwave sensor
• X11008
• X151 (left side of rear compt)
• X256
• X257
• X498 (right side of rear compt)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Body Control Modules Wiring Diagram (1 of 2) for BMW 128i 2012:

• Bi-xenon activation
• Brake ind
• Can-h
• Can-l
• Center brake light
• Computer data lines system
• Exterior lights system
• Fog light
• Fog light sig
• Footwell module (under left side of dash)
• Fr level sens sig
• Fr side mark light sig
• Fuse 40a
• Ground
• Hazard flasher sw sig
• Hazard sw sig
• Hdlt pwr sply
• Headlights system
• Height ctrl sig
• Hi beam sig
• High beam sw sig
• Hot at all times
• Interior lights
• Interior lights system
• Junction box (under right side of dash)
• K-bus sig
• Led sig
• Left headlamp sig
• Lf dir ind
• Lf inner tail sig
• Lh dir ind light sig
• Lin bus sig
• Low beam sig
• Low beam sw sig
• Mirrors system
• Parking light sig
• Power windows system
• Rear fog light sig
• Rear level sens sig
• Red
• Reverse light sig
• Rh aux dir ind light
• Rh dir ind light sig
• Rh inner tail sig
• Ride height sens gnd
• Right headlamp sig
• Rr dir ind
• Sw lighting sig
• Term 58g
• Terminal 30
• X11009
• X1108 (under left side of dash)
• X14259
• X14260

Body Control Modules Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Body Control Modules Wiring Diagram (2 of 2) for BMW 128i 2012:

• Anti-theft system
• Brake lght sw sig
• Central locking sig
• Door contact sig
• Door locks system
• Driv close pwr wind mtr
• Driv courtesy light
• Driv open pwr wind mtr
• Driv pwr window
• Exterior lights system
• Fog light
• Fog light sig
• Footwell module (under left side of dash)
• Fr pass courtesy light
• Fr pass pwr window
• Fr pass window closed
• Fr pass window open
• Fuse 30a
• Fuse 40a
• Ground
• Headlights system
• Hi beam sig
• Hot at all times
• Interior light sw sig
• Interior lights system
• Junction box (under right side of dash)
• Lf aux dir ind light
• Lf inner tail ind
• License plate light
• Low beam sig
• Lr dir ind sig
• Parking light sig
• Pass pwr window
• Power windows system
• Pwr window sw sig
• Red
• Reverse lght sig
• Reverse sig
• Rf dir ind sig
• Rh inner tail ind
• Term 30
• Term 58g sig
• Terminal 15
• Terminal 30
• Unlock cen locking sig
• X10012
• X11005
• X11009
• X14261
• X173 (under left side of dash)

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Computer Data Lines Wiring Diagram (1 of 2) for BMW 128i 2012:

• (not used)
• (under left side of dash)
• 3.0l
• 3.0l & 3.0l twin turbo a/t
• 3.0l twin turbo
• Active steering (behind left front wheel)
• Battery sensor (right side of rear compt)
• Can h
• Can l
• Car access system
• Center roof function control
• Comfort access control module (right side of rear compt)
• Controller
• Convertible top module (behind left rear seat)
• Dme control module (right rear of engine compt)
• Dsc sensor (under driver's seat)
• Dsc sensor 2
• Dynamic stability control (dsc) (left rear of engine compt)
• Electronics junction box
• Footwell module (under left side of dash)
• Fuel pump control (ekps)
• Fuse f74 5a
• Gear selector switch
• Hot at all times
• Junction box (under right side of dash)
• Left front seat module (under driver seat)
• Longitudinal dynamics management (left side of dash)
• Nca
• Park distance control (pdc) (right side of rear compt)
• Radio (w/ radio) ccc/m-ask (w/o radio)
• Red
• Right front seat module (under front passenger's seat)
• Td sig
• Trailer module (right side of rear compt)
• Transmission control
• Wake up
• X013709
• X10387
• X1276
• X13354
• X13376
• X13663
• X13709
• X13718
• X13812
• X14260
• X14270
• X14271
• X14282
• X14296
• X1716
• X18303
• X275
• X279
• X300
• X490
• X60001
• X6011
• X6021

Computer Data Lines Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Computer Data Lines Wiring Diagram (2 of 2) for BMW 128i 2012:

• (under left side of dash)
• Active cruise control (center of front bumper)
• Can h
• Can l
• Car information computer (cic)
• Central information display
• Control unit
• Electronics junction box
• Heating/air conditioning system (center of dash, above radio)
• Instrument cluster
• Junction box (under right side of dash)
• Multiple restraint system control unit (rear of center console)
• Obdii socket
• Red
• Steering column switch cluster
• Transfer box control unit (3.0l twin turbo) (under carpet, on right side footwell)
• Wake up
• X10594
• X1108
• X11587
• X13812
• X13822
• X14271
• X14272
• X173
• X1783
• X608

COOLING FAN

Cooling Fan Wiring Diagram for BMW 128i 2012

List of elements for Cooling Fan Wiring Diagram for BMW 128i 2012:

• 3.0l
• 3.0l twin turbo
• Activation
• Can hi
• Can low
• Characteristic map thermostat (rear of engine)
• Computer data lines system
• Dme control module (right rear of engine compt)
• Electric coolant pump (rear of engine)
• Electric fan (front of engine compt)
• Electric fan 400 watt
• Electric fan 600 watt
• Electric fan cut out relay
• Engine coolant temperature sensor (rear of engine)
• Fuse 10a
• Fuse 30a
• Fuse 50a
• Fuse 50a 60a
• Fuse 5a
• Hot at all times
• Hot w/ dme relay energized
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Radiator shutter driver (3.0l) (on radiator grille assembly)
• Radiator shutter solenoid
• Red
• Sens gnd
• Sens sig
• Sig
• X10647
• X11002
• X11003
• X11004
• X11005
• X11011
• X166 (right side of engine compt)
• X490
• X60001
• X60002
• X60003
• X60007
• X6041
• X60552
• X60571
• X62790
• X6455 (right side of engine coolant pump)
• X8683

CRUISE CONTROL

Cruise Control Wiring Diagram for BMW 128i 2012

List of elements for Cruise Control Wiring Diagram for BMW 128i 2012:

• (left rear of engine compt) (if equipped) dynamic stability control (dsc)
• 3.0l
• 3.0l twin turbo
• Accelerator pedal module (part of accelerator pedal)
• Active cruise control (if equipped) (center of front bumper)
• Anti-theft system
• Br light sig
• Br light test sig
• Brake light switch (under left side of dash)
• Car access system (under left side of dash)
• Clutch pos sig
• Clutch switch module (under left side of dash)
• Computer data lines system
• Dme control module (right rear of engine compt)
• Electric throttle valve (left side of engine)
• Electronics junction box
• Exterior lights system
• Fuse 10a
• Fuse 30a
• Fuse 5a
• Gnd
• Hot at all times
• Hot w/ dme relay energized
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Longitudinal dynamics management (left side of dash)
• Pos sens
• Pos sens sig
• Pos sens sply (+)
• Pos sens sply (-)
• Pt can high
• Pt can low
• Red
• Sig
• Sply(+)
• Sply(-)
• Steering column switch cluster
• Term 87
• Throttle act
• Throttle val sens
• X04010
• X11003
• X11005
• X11008
• X1108 (under left side of dash)
• X13376
• X14271
• X14272
• X166 (right side of engine compt)
• X18303
• X1880
• X60001
• X60002
• X60003
• X60005
• X6011
• X6454 (right rear of engine compt)

DEFOGGERS

Heated Mirrors Wiring Diagram for BMW 128i 2012

List of elements for Heated Mirrors Wiring Diagram for BMW 128i 2012:

• Computer data lines system
• Driver's side outside
• Electronics junction box
• Fuse 30a
• Hot at all times
• Junction box (under right side of dash)
• Mirror
• Nca
• Passenger's side outside mirror
• Red
• X04010
• X14270
• X14271
• X173 (under left side of dash)
• X256
• X257
• X490

Rear Defogger Wiring Diagram for BMW 128i 2012

List of elements for Rear Defogger Wiring Diagram for BMW 128i 2012:

• (info not available)
• Convertible
• Coupe
• Fuse 250a
• Fuse f47 30a
• Heated rear window relay
• Heating/air conditioning system (center of dash, above radio)
• Hot at all times
• Junction box (under right side of dash)
• Junction box electronics
• Left boot lid resistor
• Nca
• Rear fuse holder (right side of rear compt)
• Rear window defogger
• Rear window defogger (ground) lockout circuit
• Rear window defogger (positive) lockout circuit
• Red
• Right boot lid resistor
• X04010
• X10209
• X11006
• X13020
• X14272
• X379
• X380
• X494 (right rear side of interior panel)
• X608

ELECTRONIC POWER STEERING

Active Power Steering Wiring Diagram for BMW 128i 2012

List of elements for Active Power Steering Wiring Diagram for BMW 128i 2012:

• Active steering (behind left front wheel)
• Can-bus
• Computer data lines system
• Eco valve (under starter)
• Eco vlv sig
• Electric lock (on steering motor assembly)
• Fuse 40a
• Gnd
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Nca
• Pos sig
• Red
• Sens gnd
• Sig lock +
• Sig lock -
• Sol vlv
• Sol vlv sig
• Steering gear (on steering rack assembly)
• Steering gnd
• Steering sig
• Temp sens
• Wake-up sig
• X11006
• X11335
• X120
• X13718
• X13719
• X13720
• X13772
• X13773
• X14036
• X14234
• X165 (left side of engine compt)

Electronic Power Steering Wiring Diagram for BMW 128i 2012

List of elements for Electronic Power Steering Wiring Diagram for BMW 128i 2012:

• Can h
• Can l
• Computer data lines system
• Electronic power steering (eps) (under vehicle, near right front wheel)
• Fuse 100a
• Ground
• Hot at all times
• Rear fuse holder (right side of rear compt)
• Red
• Steering torque sensor (under vehicle)
• Term 30
• Torq sig
• Wake up sig
• X01188
• X10004
• X1703
• X60233
• X60234

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for BMW 128i 2012

List of elements for Electronic Suspension Wiring Diagram for BMW 128i 2012:

• Computer data lines system
• Footwell module (under left side of dash)
• Front ride height sensor (behind left front wheel)
• Fuse 10a
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Longitudinal dynamics management (left side of dash)
• Power distribution system
• Rear ride height sensor (front of right rear wheel)
• Red
• X11008
• X1108 (under left side of dash)

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for BMW 128i 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for BMW 128i 2012:

• (right rear side of interior panel) x494
• (under right rear seat) electric fuel pump
• Acc pdl (+)
• Acc pdl gnd
• Acc pdl sig
• Air pmp (+)
• Anti- theft system
• Anti-lock brakes system
• Anti-theft system
• Brake vacuum pressure sensor (left rear of engine compt)
• Brk lght sig
• Bsd sig
• Can h
• Can l
• Clutch sw
• Computer data lines system
• Cooling fans system
• Crankshaft breather heating 1 (left side of engine)
• Dme control module (right rear of engine compt)
• Elec fan sig
• Exh flap sig
• Fuel pump control (ekps)
• Fuse 20a
• Hot at all times
• Junction box (under right side of dash)
• Junction box electronics
• Leak diag sig
• Nca
• Oxygen sensor 2 after catalytic converter
• Oxygen sensor 2 before catalytic converter (right rear of engine)
• Oxygen sensor after catalytic converter
• Oxygen sensor before catalytic converter (on exhaust pipe, before catalytic)
• Radiator outlet temperature sensor (right side of engine)
• Red
• Rr spd sig
• Sensor gnd
• Sensor sig
• Sensor sog
• Start sig
• Starting/charging system
• Td sig
• Terminal 30g relay
• Veh immob sig
• X11008
• X11010
• X13663
• X14271
• X3507
• X60001
• X60002
• X6041
• X60531
• X60551
• X6454 (right rear of engine compt)

3.0L, Engine Performance Wiring Diagram (2 of 4) for BMW 128i 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for BMW 128i 2012:

• (part of accelerator pedal) accelerator pedal module
• (under left side of dash) brake light switch
• (under left side of dash) x1108
• Anti- theft system
• Antitheft system
• Clutch switch module (m/t) (under left side of dash)
• Crankshaft position sensor (left rear of engine)
• Disa controller 1 (top left of engine)
• Disa controller 2 (top left of engine)
• Dme relay
• Exhaust flap (left side of rear compt)
• Exterior lights system
• Fuel tank leakage diagnostic module
• Fuel tank vent valve
• Fuse 10a
• Fuse 20a
• Fuse 250a
• Fuse 30a
• Hot at all times
• Hot film-mass flow sensor
• Intake air temperature sensor
• Junction box (under right side of dash)
• Nca
• Oil condition sensor (rear of engine, near transmission)
• Rear fuse holder (right side of rear compt)
• Red
• Starting/ charging system
• X10209
• X11001
• X11005
• X11010
• X1108 (under left side of dash)
• X13020
• X6011
• X60551
• X6454 (right rear of engine compt)

3.0L, Engine Performance Wiring Diagram (3 of 4) for BMW 128i 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for BMW 128i 2012:

• (top of engine) fuel injector
• Bsd sig
• Cyl 1-3
• Cyl 4-6
• Disa sig
• Dme control module (right rear of engine compt)
• Dme rly
• Double knock sensor (left side of engine)
• Electric throttle- valve actuator
• Engine breather heater 2
• Engine breather heater 3
• Engine breather heater 4
• Engine breather heating relay
• Engine electronics fuse carrier (right plenum chamber e-box)
• Fuse 50a
• Fuse 5a
• Heat rly
• Hot at all times
• Intake- manifold pressure sensor (top rear of engine)
• Nca
• Neutral sensor
• Press sens
• Red
• Sensor (+)
• Sensor gnd
• Sensor sig
• Sig
• Tank sig
• Throttle (-)
• Throttle gnd
• Throttle sig
• W/ hot film-mass flow sensor
• W/ intake air temperature sensor
• W/ neutral sensor
• W/o intake air temperature sensor
• X60005
• X60531
• X6454 (right rear of engine compt)
• X65399
• X8682
• X8685

3.0L, Engine Performance Wiring Diagram (4 of 4) for BMW 128i 2012

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for BMW 128i 2012:

• (lower right side of engine) oil pressure control valve
• (rear of engine) electric coolant pump
• (right rear of engine compt) vvt relay
• (right side of engine) variable valve timing gear actuator
• (top of engine) ignition coil
• Bsd sig
• Characteristic map thermostat (rear of engine)
• Cooling fans system
• Dme control module (right rear of engine compt)
• Eccentric shaft sensor (top of engine)
• Engine coolant temperature sensor (rear of engine)
• Exhaust camshaft sensor (front of engine)
• Exhaust vanos solenoid valve (front of engine)
• Ground
• Ign 1 sig
• Ign 2 sig
• Ign 3 sig
• Ign 4 sig
• Ign 5 sig
• Ign 6 sig
• Inj 1 sig
• Inj 2 sig
• Inj 3 sig
• Inj 4 sig
• Inj 5 sig
• Inj 6 sig
• Intake camshaft sensor (front of engine)
• Intake vanos solenoid valve (front of engine)
• Interference suppression capacitor for ignition coils
• Nca
• Oil pressure switch (left side of engine compt)
• Oil sw sig
• Red
• Sensor (+)
• Sensor 1 gnd
• Sensor 1 sig
• Sensor 2 gnd
• Sensor 2 sig
• Sensor gnd
• Sensor sig
• Shield
• Spark plug
• Term 30
• Term 87
• Thermo sig
• Vanos (+)
• Var gear sig
• Vvt rly
• X60003
• X60004
• X60006
• X60007
• X6011
• X60552
• X6177
• X6454 (right rear of engine compt)

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for BMW 128i 2012

List of elements for Backup Lamps Wiring Diagram for BMW 128i 2012:

• Backup light switch (m/t)
• Computer data lines system
• Footwell module (under left side of dash)
• Fuse f41 30a
• Fuse f81 30a
• Fuse f84 40a
• Fuse f86 40a
• Hot at all times
• Junction box (under right side of dash)
• Left taillight
• Red
• Reverse
• Right taillight
• Transmission control (a/t)
• X10012
• X11005
• X11009
• X1108 (under left side of dash)
• X14260
• X14261
• X151 (left side of rear compt)
• X173 (under left side of dash)
• X338
• X339
• X494 (coupe) (right rear side of interior panel)
• X498 (convertible) (right side of rear compt)
• X6011
• X6454 (right rear of engine compt)

Exterior Lamps & Trailer Connector Wiring Diagram (1 of 3) for BMW 128i 2012

List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (1 of 3) for BMW 128i 2012:

• (under left side of dash) x1108
• 30g relay energized
• Footwell module (under left side of dash)
• Fuse f31 30a
• Fuse f32 30a
• Fuse f41 30a
• Fuse f71 20a
• Fuse f81 30a
• Fuse f84 40a
• Fuse f86 40a
• Hot at all times
• Hot w/ bi-stable relay energized
• Hot w/ terminal
• Junction box (under right side of dash)
• Junction box electronics
• Left front direction indicator light repeater
• Left license plate light
• Red
• Right front direction indicator light repeater
• Right headlight
• Right license plate light
• Side
• Turn
• X10012
• X11004
• X11005
• X11008
• X11009
• X14259
• X14260
• X14261
• X14272
• X165 (left side of engine compt)
• X166 (right side of engine compt)
• X173 (under left side of dash)
• X494 (coupe) (right rear side of interior panel)
• X498 (convertible) (right side of rear compt)

Exterior Lamps & Trailer Connector Wiring Diagram (2 of 3) for BMW 128i 2012

List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (2 of 3) for BMW 128i 2012:

• (right side of rear compt) (convertible) x498 x494 (coupe) (right rear side of interior panel)
• Af interference suppressor filter (left side of rear window panel)
• Auxiliary brake light
• Backup lamps circuit
• Brake
• Brake (w/ xenon)
• Fog
• Hazard warning switch
• Left taillight
• Park
• Reverse
• Right taillight
• Turn
• X151 (left side of rear compt)
• X30055
• X318
• X319
• X338
• X339
• X494 (coupe) (right rear side of interior panel)
• X498 (convertible) (right side of rear compt)

Exterior Lamps & Trailer Connector Wiring Diagram (3 of 3) for BMW 128i 2012

List of elements for Exterior Lamps & Trailer Connector Wiring Diagram (3 of 3) for BMW 128i 2012:

• (3.0l twin turbo)
• (3.0l)
• (left rear of engine compt) dynamic stability control (dsc)
• (under left side of dash) brake light switch
• (under left side of dash) car access system
• Computer data lines system
• Digital motor electronics (dme) control module
• Direction indicator/ high beam headlight switch
• Left headlight
• Light switch unit
• Side
• Steering column switch cluster
• Trailer module (right side of rear compt)
• Trailer socket
• Turn
• X1108 (under left side of dash)
• X1276
• X13376
• X165 (left side of engine compt)
• X1880
• X498 (right side of rear compt)
• X60001

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for BMW 128i 2012

List of elements for Ground Distribution Wiring Diagram (1 of 4) for BMW 128i 2012:

• (3.0l twin turbo) engine breather heater 1
• (convertible) convertible top module
• (under right side of dash) junction box
• (w/ memory)
• (w/o memory)
• Active steering
• Af interference suppressor filter
• Auxiliary water pump
• Battery
• Battery sensor
• Blower output stage
• Dc/dc converter
• Electric fan cut-out relay
• Electronic power steering (eps)
• Electronics junction box
• Front interior/ reading lamp
• Left fog light
• Left front direction indicator repeater light
• Left headlight
• Left heated water jet
• Left horn
• Left taillight
• Nca
• Passenger's door entrance light
• Passenger's door power window switch
• Passenger's door system lock
• Passenger's lumbar support switch
• Passenger's seat backrest width adjustment valve block
• Passenger's seat heating module
• Passenger's seat vacuum pump
• Passenger's seats adjustment switch
• Passenger's side footwell light
• Passenger's side outer door handle electronic module
• Passenger's side outside mirror
• Right front seat module
• Right heated water jet
• Roof function control center
• Siren & alarm sensor
• Steering gear shield
• W/ xenon
• Water valve
• Wiper motor
• X11166
• X13037
• X14234
• X151 (left side of rear compt)
• X165 (left side of engine compt)
• X1703
• X256
• X279
• X490
• X60234
• X6402
• X64553

Ground Distribution Wiring Diagram (2 of 4) for BMW 128i 2012

List of elements for Ground Distribution Wiring Diagram (2 of 4) for BMW 128i 2012:

• (3.0l) radiator shutter solenoid
• (3.ol) radiator shutter drive unit
• (m/t) clutch switch module
• (not used)
• (w/ memory) driver's seat module
• (w/ xenon) right headlight
• (w/o memory) driver's seat heating module
• Active cruise control
• Bonnet contact switch
• Brake fluid level switch
• Brake light switch
• Car access system
• Cont- roller
• Coolant level switch
• Driver seat position sensor
• Driver's door entrance light
• Driver's door system lock
• Driver's lumbar support switch
• Driver's seat backrest width adjustment valve block
• Driver's seat belt buckle contact
• Driver's seat vacuum pump
• Driver's side footwell light
• Driver's side outer door handle electronic module
• Driver's side outside mirror
• Driver's switch cluster
• Dynamic stability control (dsc)
• Electric fan
• Electric steering column adjustment
• Footwell module
• Front cigar lighter
• Front passenger's seat position sensor
• Headlight washer pump
• Left head- light
• Longitudinal dynamics management
• Multiple restraint system control unit
• Nca
• Obdii socket
• Passenger's seat belt buckle contact
• Rear center console charging socket
• Rear lid release switch
• Rear window washer pump
• Right fog light
• Right front direction indicator repeater light
• Right horn
• Roll- over protection control
• Seat occupancy recognition
• W/ xenon
• Windscreen washer pump
• X10254
• X10647
• X1108 (under left side of dash)
• X1441
• X166 (right side of engine compt)
• X170 (left side of engine compt)
• X173 (under left side of dash)
• X257
• X275
• X279

Ground Distribution Wiring Diagram (3 of 4) for BMW 128i 2012

List of elements for Ground Distribution Wiring Diagram (3 of 4) for BMW 128i 2012:

• (conver- tible)
• (conver- tible) comfort access control module
• (conver- tible) convertible top floor compartment switch
• (conver- tible) rear window defogger
• (conver- tible) right inner tail- light
• (conver- tible) right outer tail light
• (convertible) convertible top 1 relay
• (convertible) convertible top 2 relay
• (convertible) convertible top drive valve 1
• (convertible) convertible top drive valve 2
• (convertible) convertible top drive valve 3
• (convertible) right rear micro wave sensor
• (coupe) auxiliary brake light
• (coupe) boot lid button
• (coupe) boot lid central locking drive
• (coupe) comfort access controlled module
• (coupe) left license plate light
• (coupe) rear window defogger lockout circuit
• (coupe) right boot lid resistor
• (coupe) right inner tail- light
• (coupe) right license plate light
• (coupe) right outer tail- light
• (coupe) right tail- light
• (hifi)
• (if equipped) radio
• (top hifi)
• (under right side of dash) junction box
• (w/ cic) car information computer (w/o cic) ccc/ m-ask
• Amplifier
• Auc sensor
• Auxiliary brake light
• Boot lid button
• Cd changer
• Combox
• Convertible
• Digital tuner us
• Diode panel
• Eject box
• Electro- chromic interior rear view mirror
• Electronics junction box
• Footwell module
• Fuel pump control (ekps)
• Gear indicator lighting
• Left license plate light
• Luggage compar- tment socket outlet
• Nca
• Park distance control (pdc)
• Right head- light
• Right license plate light
• Right rear micro wave sensor
• Right tail light
• Satellite receiver
• Steptronic switch
• Tcu
• Telephone retrofit packages connector
• Telephone transceiver
• Tire pressure control (rdc)
• Trailer module
• Trailer socket
• Ulf
• Ulf- sbx-h
• Ulf-sbx
• Usb hub
• Video module
• W/ combox
• Washer fluid level switch
• X10012
• X10266
• X1276
• X13016 (left rear side of interior panel)
• X13146
• X13663
• X13812
• X14062
• X14130
• X14133
• X14454
• X17397
• X18180
• X18363
• X34130
• X494 (right rear side of interior panel)
• X498 (right side of rear compt)

Ground Distribution Wiring Diagram (4 of 4) for BMW 128i 2012

List of elements for Ground Distribution Wiring Diagram (4 of 4) for BMW 128i 2012:

• (3.0l twin turbo)
• (3.0l twin turbo) junction box
• (3.0l twin turbo) refrigerant compressor control valve
• (3.0l twin turbo) transmission control
• (3.0l) crankshaft breather heating 1
• (3.0l) disa actuator 1
• (3.0l) disa actuator 2
• (3.0l) engine breather heating 2
• (3.0l) engine breather heating 3
• (3.0l) engine breather heating 4
• (3.0l) oil condition sensor
• (3.0l) transmission control
• 3.0l
• 3.0l twin turbo
• A/c compressor control valve
• Dme control module
• Electric coolant pump
• Ignition coil cylinder 1
• Ignition coil cylinder 2
• Ignition coil cylinder 3
• Ignition coil cylinder 4
• Ignition coil cylinder 5
• Ignition coil cylinder 6
• Interference suppression capacitor for ignition coils
• Nca
• Reversing light switch
• X14271
• X60003
• X60005
• X6021
• X60552
• X6170 (top of engine)
• X6171 (top of engine)
• X6172 (top of engine)
• X6176 (3.0l)
• X6177 (3.0l)
• X6454 (right rear of engine compt)
• X6455 (right side of engine coolant pump)
• X65399

HEADLIGHTS

Adaptive Front Lighting Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Adaptive Front Lighting Wiring Diagram (1 of 2) for BMW 128i 2012:

• (left side of rear compt)
• Computer data lines system
• Convertible
• Except convertible
• F41 30a
• F81 30a
• F84 40a
• F86 40a
• Fog
• Footwell module (under left side of dash)
• Fuse
• High
• Hot at all times
• Junction box (under right side of dash)
• Left fog light
• Left headlight
• Left taillight
• Rain/headlight sensor (center of windshield)
• Red
• Right fog light
• Roof function control center
• Turn
• X10012
• X11005
• X11009
• X1108 (under left side of dash)
• X14259
• X14260
• X14261
• X14286
• X14287
• X14288
• X151
• X165 (left side of engine compt)
• X166 (right side of engine compt)
• X173 (under left side of dash)

Adaptive Front Lighting Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Adaptive Front Lighting Wiring Diagram (2 of 2) for BMW 128i 2012:

• (left rear of engine compt)
• (right rear of engine compt) dme control module
• (under left side of dash) brake light switch
• (under left side of dash) car access system
• 3.0l
• 3.0l twin turbo
• Dynamic stability control (dsc)
• Fog
• Front ride height sensor (behind left front wheel)
• High
• Light switch unit
• Rear ride height sensor (front of right rear wheel)
• Right headlight
• Right taillight
• Steering column switch cluster
• Turn
• X10012
• X1108 (under left side of dash)
• X13376
• X166 (right side of engine compt)
• X494 (coupe) (right rear side of interior panel)
• X498 (convertible) (right side of rear compt)
• X60001

Headlamps Wiring Diagram, with Xenon Lamps (1 of 2) for BMW 128i 2012

List of elements for Headlamps Wiring Diagram, with Xenon Lamps (1 of 2) for BMW 128i 2012:

• (left side of rear compt)
• Computer data lines system
• Convertible
• Except convertible
• Fog
• Footwell module (under left side of dash)
• Fuse f41 30a
• Fuse f81 30a
• Fuse f84 40a
• Fuse f86 40a
• High
• Hot at all times
• Junction box (under right side of dash)
• Left fog light
• Left headlight
• Left taillight
• Rain/headlight sensor (center of windshield)
• Red
• Right fog light
• Roof function control center
• Turn
• Vertical aim control motor
• X10012
• X11005
• X11009
• X1108 (under left side of dash)
• X14259
• X14260
• X14261
• X14286
• X14287
• X14288
• X151
• X165 (left side of engine compt)
• X166 (right side of engine compt)
• X173 (under left side of dash)
• Xenon headlight

Headlamps Wiring Diagram, with Xenon Lamps (2 of 2) for BMW 128i 2012

List of elements for Headlamps Wiring Diagram, with Xenon Lamps (2 of 2) for BMW 128i 2012:

• Fog
• Front ride height sensor (behind left front wheel)
• High
• Light switch unit
• Rear ride height sensor (front of right rear wheel)
• Right headlight
• Right taillight
• Steering column switch cluster
• Turn
• Vertical aim control motor
• X166 (right side of engine compt)
• X494 (coupe) (right rear side of interior panel)
• X498 (convertible) (right side of rear compt)

Headlamps Wiring Diagram, without Xenon Lamps for BMW 128i 2012

List of elements for Headlamps Wiring Diagram, without Xenon Lamps for BMW 128i 2012:

• (left side of rear compt)
• Computer data lines system
• Convertible
• Except convertible
• Fog
• Footwell module (under left side of dash)
• Fuse f41 30a
• Fuse f81 30a
• Fuse f84 40a
• Fuse f86 40a
• High
• Hot at all times
• Junction box (under right side of dash)
• Left fog light
• Left headlight
• Left taillight
• Light switch unit
• Low
• Rain/headlight sensor (center of windshield)
• Red
• Right fog light
• Right headlight
• Right taillight
• Roof function control center
• Steering column switch cluster
• Turn
• X10012
• X11005
• X11009
• X1108 (under left side of dash)
• X14259
• X14260
• X14261
• X14286
• X14287
• X14288
• X151
• X165 (left side of engine compt)
• X166 (right side of engine compt)
• X173 (under left side of dash)
• X498 (convertible) (right side of rear compt) x494 (coupe) (right rear side of interior panel)

HORN

Horn Wiring Diagram for BMW 128i 2012

List of elements for Horn Wiring Diagram for BMW 128i 2012:

• Car access system (under left side of dash)
• Fuse f108 250a
• Fuse f57 15a
• Horn relay
• Horn switch
• Hot at all times
• Junction box (under right side of dash)
• Junction box electronics
• Left horn (left side of front bumper)
• Rear fuse holder (right side of rear compt)
• Red
• Right horn (right side of front bumper)
• Steering column switch cluster
• Terminal relay
• X01001
• X04010
• X10170
• X10209
• X11007
• X11010
• X13020
• X13376
• X14272
• X165 (left side of engine compt)
• X166 (right side of engine compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for BMW 128i 2012

List of elements for Instrument Cluster Wiring Diagram for BMW 128i 2012:

• (under left rear seat)
• (under right rear seat)
• Anti-lock brakes system
• Car information computer
• Ccc/m-ask
• Central information display
• Coolant level switch (right side of engine compt)
• Electric fuel pump (right tank half fuel level sensor)
• Fuse 5a
• Hand brake warning switch
• Hot at all times
• Hot w/ terminal 30g relay energized
• Instrument cluster control module
• Junction box (under right side of dash)
• Junction box electronics
• Left tank half fuel level sensor
• Nca
• Outside temperature sensor (front center of bumper)
• Red
• Steering column switch cluster
• W/ cic
• W/o cic
• X04010
• X1108 (under left side of dash)
• X13820
• X13822
• X13823
• X14271
• X14272
• X17427
• X1880

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram, with Roof Function Center (1 of 2) for BMW 128i 2012

List of elements for Courtesy Lamps Wiring Diagram, with Roof Function Center (1 of 2) for BMW 128i 2012:

• Boot lid central locking drive (on rear compt lid)
• Computer data lines system
• Electronics junction box
• Front interior light
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Glove compartment light
• Hot at all times
• Hot in on or start
• Hot w/ terminal 30g relay energized
• Interior lights
• Junction box (under right side of dash)
• Left front make-up mirror light
• Left front make-up mirror switch
• Map reading light
• Rear interior light
• Red
• Right front make-up mirror light
• Right front make-up mirror switch
• Right luggage compartment light
• Roof function control center
• Top lights
• X04010
• X11001
• X11003
• X11005
• X11008
• X11009
• X14270
• X14272
• X14286
• X14287
• X14289
• X490

Courtesy Lamps Wiring Diagram, with Roof Function Center (2 of 2) for BMW 128i 2012

List of elements for Courtesy Lamps Wiring Diagram, with Roof Function Center (2 of 2) for BMW 128i 2012:

• Computer data lines system
• Driver's door entrance light
• Driver's side footwell light
• Footwell module (under left side of dash)
• Light switch unit
• Passenger's door entrance light
• Passenger's side footwell
• Red
• X10012
• X14259
• X14260
• X14261
• X173 (under left side of dash)
• X256
• X257
• X490

Courtesy Lamps Wiring Diagram, without Roof Function Center for BMW 128i 2012

List of elements for Courtesy Lamps Wiring Diagram, without Roof Function Center for BMW 128i 2012:

• Boot lid central locking drive
• Computer data lines system
• Driver's door entrance light
• Driver's side footwell light
• Electronics junction box
• Footwell module (under left side of dash)
• Front interior/ reading light
• Fuse 10a
• Fuse 30a
• Fuse 40a
• Glove compartment light
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Light switch unit
• Passenger's door entrance light
• Passenger's side footwell light
• Rear interior light
• Red
• Right luggage compartment light
• X04010
• X10012
• X11005
• X11009
• X1108 (under left side of dash)
• X14259
• X14260
• X14261
• X14270
• X14272
• X173 (under left side of dash)
• X256
• X257
• X336
• X4582
• X490

Instrument Illumination Wiring Diagram for BMW 128i 2012

List of elements for Instrument Illumination Wiring Diagram for BMW 128i 2012:

• (left rear side of interior panel) x13016
• Ccc/m-ask
• Driver's switch cluster
• Electronics junction box
• Footwell module (under left side of dash)
• Front cigar lighter
• Fuse 30a
• Fuse 40a
• Gear indicator lighting
• Hazard warning switch
• Hot at all times
• Junction box (under right side of dash)
• Light switch unit
• Passenger's door power window switch
• Radio
• Rear lid release switch (interior)
• Red
• Steering column switch cluster
• Telephone retrofit packages connector
• W/ ccc/m-ask
• W/o ccc/m-ask
• X10012
• X11005
• X11009
• X1108 (under left side of dash)
• X13016 (left rear side of interior panel)
• X13812
• X14259
• X14260
• X14261
• X14270
• X14272
• X1716
• X173 (under left side of dash)
• X1880
• X256
• X257
• X490
• X9944

MEMORY SYSTEMS

Driver"s Memory Seat Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for BMW 128i 2012:

• Computer data lines system
• Driver's seat adjustment switch
• Driver's seat angle adjustment drive (under driver seat)
• Driver's seat backrest heating (in driver seat back)
• Driver's seat cushion heating (in driver seat cushion)
• Driver's seat height adjustment drive unit (under driver seat)
• Driver's seat module (under driver's seat)
• Driver's side easy entry switch
• Fuse 30a
• Fuse f77 10a x04010
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Junction box electronics
• Nca
• Red
• X11006
• X11629
• X13617
• X13709
• X13995
• X13996
• X13997
• X13999
• X14012
• X14271
• X14272
• X1533
• X173 (under left side of dash)
• X275
• X727
• X728
• X732
• X733

Driver"s Memory Seat Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for BMW 128i 2012:

• (left side of driver's seat back)
• Center console switch center
• Driver's seat forward/ backward adjustment drive unit (under driver seat)
• Driver's seat-backrest angle adjustment drive
• Heating/air conditioning system (center of dash, above radio)
• Nca
• X01199
• X1467
• X14691
• X14692
• X608
• X729

Passenger"s Memory Seat Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Passenger"s Memory Seat Wiring Diagram (1 of 2) for BMW 128i 2012:

• Computer data lines system
• Fuse f45 30a
• Fuse f77 10a x04010
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Junction box electronics
• Nca
• Passenger's seat adjustment switch
• Passenger's seat backrest heating (in passenger seat back)
• Passenger's seat cushion heating (in passenger seat cushion)
• Passenger's seat module (under front passenger's seat)
• X013709
• X022008
• X0732
• X0733
• X11006
• X14271
• X14272
• X279
• X490

Passenger"s Memory Seat Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Passenger"s Memory Seat Wiring Diagram (2 of 2) for BMW 128i 2012:

• (center of dash, above radio) heating/air conditioning system
• Center console switch center
• Nca
• Passenger easy entry switch
• Passenger's backrest angle adjustment drive (under passenger seat, on track)
• Passenger's seat angle adjustment drive (under passenger seat)
• Passenger's seat forward/ backward adjustment drive (under passenger seat)
• Passenger's seat height adjustment drive (under passenger seat, on track)
• Passenger's seat module (under front passenger's seat)
• X01199
• X013532
• X013534
• X014012
• X01467
• X014691
• X014692
• X01533
• X0727
• X0728
• X10467
• X608

NAVIGATION

Navigation Wiring Diagram, Base Radio (1 of 2) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Base Radio (1 of 2) for BMW 128i 2012:

• (18 to 21 pins not used)
• (23 to 28 pins not used)
• (33 to 34 pins not used)
• (w/ automatic start/stop function) hot at all times (w/o automatic start/stop function) hot w/ terminal 30g relay energized
• Aerial digital tuner (convertible)
• Aerial digital tuner 2 (convertible)
• Aerial diversity (bottom center of rear window)
• Aux-in connection
• Car information computer cic
• Central information display
• Computer data lines system
• Convertible
• Coupe
• Electronics junction box
• Fm aerial 2
• Fm aerial 3
• Fuse 15a
• Fuse 5a
• Interior lights system
• Junction box (under right side of dash)
• Left microphone
• Nca
• Rear window aerial (coupe)
• Red
• Usb port
• X01240
• X01241
• X04010
• X11002
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X134125
• X13812
• X13815
• X13816
• X13817
• X13822
• X13823
• X13836
• X13911
• X14066
• X14087
• X14118
• X14272
• X16767
• X1716
• X17425
• X17427
• X17985
• X19580
• X22020
• X22021
• X34124
• X34145

Navigation Wiring Diagram, Base Radio (2 of 2) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Base Radio (2 of 2) for BMW 128i 2012:

• (w/o automatic start/stop function) hot w/ terminal 30g relay energized (w/ automatic start/stop function) hot at all times
• Aerial (convertible)
• Cd changer (left side of rear compt)
• Convertible
• Coupe
• Digital tuner (left side of rear compt)
• Fuse 10a
• Fuse 5a
• Gps aerial
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left rear mid- range speaker
• Left sub- woofer
• Most bus connector
• Nca
• Right front mid- range speaker
• Right rear mid- range speaker
• Right sub- woofer
• Roof aerial
• Rtti splitter
• Sat
• Satellite receiver (left side of rear compt)
• Sdars aerial
• Tcu/ulf/ulf- sbx/ulf-sbx-h
• Video module (left side of rear compt)
• X014132
• X10639
• X11002
• X11411
• X13016 (left rear side of interior panel)
• X13303
• X13393
• X13824
• X14062
• X14063
• X14064
• X14066
• X14130
• X14131
• X14132
• X14134
• X14454
• X14455
• X14664
• X16766
• X1716
• X18180
• X256
• X257
• X273
• X274
• X30033

Navigation Wiring Diagram, Hifi Radio with CCC & M-ASK (1 of 3) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Hifi Radio with CCC & M-ASK (1 of 3) for BMW 128i 2012:

• (or nca)
• (pins: 16 to 29 not used)
• (pins: 31 to 34 not used)
• (w/ automatic start/stop function) hot at all times (w/o automatic start/stop function) hot w/ term 30g relay energized
• Aux-in connection
• Ccc/m-ask
• Central information display
• Computer data lines system
• Dynamic stability control (dsc) (left rear of engine compt)
• Electronics junction box
• Fuse 10a
• Fuse 20a
• Fuse 5a
• Hot w/ bistable relay energized
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Left microphone
• Nca
• Red
• Tcu
• Video module (left side of rear compt)
• W/ convertible
• X04010
• X11002
• X11007
• X13016 (left rear side of interior panel)
• X13812
• X13814
• X13817
• X13820
• X13822
• X13823
• X14087
• X14118
• X14133
• X14272
• X14454
• X14455
• X1716
• X18803
• X9331

Navigation Wiring Diagram, Hifi Radio with CCC & M-ASK (2 of 3) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Hifi Radio with CCC & M-ASK (2 of 3) for BMW 128i 2012:

• Ccc/m ask
• Cd changer (left side of rear compt)
• Convertible
• Coupe
• Digital tuner (dab) (left side of rear compt)
• Fan m-ask/ccc
• Gps aerial
• Most bus connector
• Nca
• Roof aerial
• Rtti splitter
• Satellite receiver (left side of rear compt)
• Sdars aerial
• Tcu (if equipped)
• W/ convertible
• X014132
• X10639
• X11411
• X13016 (left rear side of interior panel)
• X13393
• X13813
• X13815
• X13816
• X13836
• X14062
• X14063
• X14064
• X14066
• X14130
• X14131
• X14132
• X14134
• X17197
• X18180
• X30033

Navigation Wiring Diagram, Hifi Radio with CCC & M-ASK (3 of 3) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Hifi Radio with CCC & M-ASK (3 of 3) for BMW 128i 2012:

• (bottom center of rear window)
• Aerial (convertible)
• Aerial diversity
• Amplifier (left side of rear compt)
• Computer data lines system
• Controller
• Convertible
• Coupe
• Fm aerial 2 (convertible)
• Fm aerial 3 (convertible)
• Fuse 20a
• Fuse 5a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left front tweeter
• Left rear hi- range speaker
• Left side trim panel mid-range speaker
• Left subwoofer
• Nca
• Power distribution system
• Rear window aerial (coupe)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right side trim panel mid-range speaker
• Right subwoofer
• W/ automatic start/stop function
• W/o automatic start/stop function
• X01240
• X01241
• X11002
• X11003
• X1108 (under left side of dash)
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X13824
• X13911
• X1716
• X256
• X257
• X30033

Navigation Wiring Diagram, Hifi Radio with CIC (1 of 2) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Hifi Radio with CIC (1 of 2) for BMW 128i 2012:

• (18 to 21 pins not used)
• (23 to 28 pins not used)
• (33 to 34 pins not used)
• (left rear side of interior panel) x13016
• (w/ automatic start/stop function) hot at all times (w/o automatic start/stop function) hot w/ terminal 30g relay energized
• Aerial digital tuner (convertible)
• Aerial digital tuner 2 (convertible)
• Aux-in connection
• Car information computer cic
• Cd changer (left side of rear compt)
• Central information display
• Computer data lines system
• Convertible
• Coupe
• Digital tuner us (left side of rear compt)
• Electronics junction box
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Gps aerial
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Left microphone
• Most bus connector
• Nca
• Red
• Roof aerial (coupe)
• Rtti splitter
• Tcu/ulf/ulf- sbx/ulf-sbx-h
• Usb port
• Video module (left side of rear compt)
• X014132
• X04010
• X10639
• X11002
• X13016 (left rear side of interior panel)
• X13393
• X13812
• X13815
• X13816
• X13817
• X13822
• X13823
• X13836
• X14064
• X14066
• X14087
• X14118
• X14130
• X14131
• X14132
• X14134
• X14272
• X14454
• X14455
• X16766
• X1716
• X17425
• X17427
• X17985
• X18180
• X19580
• X22020
• X22021
• X30033
• X34124
• X34125
• X34145

Navigation Wiring Diagram, Hifi Radio with CIC (2 of 2) for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Hifi Radio with CIC (2 of 2) for BMW 128i 2012:

• (left side of
• Aerial (convertible)
• Aerial diversity (bottom center of rear window)
• Amplifier (left side of rear compt)
• Convertible
• Coupe
• Fm aerial 2 (convertible)
• Fm aerial 3 (convertible)
• Fuse 20a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left front tweeter
• Left rear hi-range speaker
• Left side trim panel mid-range speaker
• Left subwoofer
• Nca
• Rear compt)
• Rear window aerial (coupe)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right side trim panel mid-range speaker
• Right subwoofer
• Satellite receiver
• Sdars aerial
• W/ automatic start/stop function
• W/o automatic start/stop function
• X01240
• X01241
• X11002
• X11411
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X13824
• X13911
• X14062
• X14063
• X14064
• X14066
• X16767
• X1716
• X256
• X257
• X30033

Navigation Wiring Diagram, Top Hifi Radio for BMW 128i 2012

List of elements for Navigation Wiring Diagram, Top Hifi Radio for BMW 128i 2012:

• (left side of
• Amplifier
• Fuse 20a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid-range speaker
• Left front tweeter
• Left rear hi-range speaker
• Left rear mid-range speaker
• Left subwoofer
• Most data bus circuit
• Rear compt)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right rear mid-range speaker
• Right subwoofer
• W/ automatic start/stop function
• W/o automatic start/stop function
• X10633
• X11002
• X13016 (left rear side of interior panel)
• X1716
• X18773
• X256
• X257

Parking Assistant Wiring Diagram for BMW 128i 2012

List of elements for Parking Assistant Wiring Diagram for BMW 128i 2012:

• Computer data lines system
• Fuse 5a
• Hot in on or start
• Junction box (under right side of dash)
• Left front center ultrasonic sensor (left side of front bumper)
• Left front ultrasonic sensor (left end of front bumper)
• Left rear center ultrasonic sensor (left side of rear bumper)
• Left rear ultrasonic sensor (left end of rear bumper)
• Park distance control (pdc) (right side of rear compt)
• Power distribution system
• Right front center ultrasonic sensor (right side of front bumper)
• Right front ultrasonic sensor (right end of front bumper)
• Right rear center ultrasonic sensor (right side of rear bumper)
• Right rear ultrasonic sensor (right end of rear bumper)
• X10012
• X10647
• X11001
• X18013
• X18362
• X300

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for BMW 128i 2012

List of elements for Power Distribution Wiring Diagram (1 of 5) for BMW 128i 2012:

• 3.0l
• 3.0l twin turbo
• Alternator
• Battery
• Battery sensor (right side of rear compt)
• Car access system
• Computer data lines system
• Convertible top relay 1
• Convertible top relay 2
• Dme control module
• Dme control module (3.0l)
• Dme control unit
• Dme relay
• Driver's seat heating module
• Electric auxiliary heater
• Electric coolant pump
• Electronic power steering (eps)
• Engine controls fuse carrier (right plenum chamber e-box)
• Footwell module
• Fuse 100a
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 250a
• Fuse 40a
• Fuse 50a
• Fuse 5a
• Fuse 7.5a
• Fuse n/a
• Headlight washer relay
• Ignition & fuel injection relay (3.0l twin turbo)
• Jump start terminal point
• Junction box (under right side of dash)
• Luggage well b+ terminal point
• Nca
• Oil condition sensor (3.0l)
• Passenger's seat heating module
• Rear fuse holder (right side of rear compt)
• Rear window wiper relay
• Red
• Roof function control center
• Starter
• To fuse 67 (diagram 2 of 5)
• Valvetronic relay
• Vvt relay (3.0l)
• X01195
• X013709
• X10002
• X10004
• X10209
• X10272
• X11001
• X11007
• X11008
• X11009
• X13020
• X13146
• X13376
• X13709
• X14260
• X14261
• X14286
• X18090
• X18261
• X1984
• X275
• X279
• X60001
• X60002
• X60003
• X60005
• X6011
• X60234
• X60571
• X6402
• X6404
• X6430
• X6512
• X7520
• X8681
• X8682
• X8683
• X8684
• X9230

Power Distribution Wiring Diagram (2 of 5) for BMW 128i 2012

List of elements for Power Distribution Wiring Diagram (2 of 5) for BMW 128i 2012:

• (400w) (600w)
• Car access system
• Convertible
• Coupe
• Driver's door microwave sensor
• Dynamic stability control (dsc)
• Electric coolant pump (3.0l)
• Electric fan cut-out relay
• Electric vacuum pump relay
• Electro- chromic interior rear view mirror (convertible)
• Electronics junction box
• Footwell module
• From a fuse 3 (diagram 1 of 5)
• From fuse 12 b (diagram 2 of 5)
• From fuse 73 c (diagram 2 of 5)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 50a
• Fuse 50a 60a
• Fuse 5a
• Fuse 7.5a
• Gear indicator lighting
• Heated rear window relay
• Instrument cluster control module
• Junction box (under right side of dash)
• Left bootlid resistor
• Nca
• Obdii socket
• Passenger's door microwave sensor
• Passenger's seat module
• Rear window defogger
• Rear window defogger lockout circuit (positive)
• Red
• Right rear microwave sensor
• Rollover protection controller
• Secondary air pump relay
• Siren & tilt alarm sensor
• Siren with tilt alarm sensor
• Steering column switch cluster
• To fuse (diagram 2 of 5)
• To terminal 30g relay (diagram 3 of 5)
• Wiper relay 1
• Wiper relay 2
• X013709
• X04010
• X11001
• X11002
• X11004
• X11005
• X11006
• X11007
• X11008
• X11009
• X11011
• X13376
• X14261
• X14270
• X14272
• X18303
• X1880
• X256
• X257
• X279
• X379
• X6041
• X60552
• X9944

Power Distribution Wiring Diagram (3 of 5) for BMW 128i 2012

List of elements for Power Distribution Wiring Diagram (3 of 5) for BMW 128i 2012:

• Active steering
• Aerial diversity (convertible w/ antenna diversity)
• Amplifier
• Car access system (under left side of dash)
• Car information computer (cic)
• Cd changer
• Convertible
• Convertible top module (ctm)
• Coupe
• Driver's seat module
• Dynamic stability control (dsc)
• Electric fan cut-out relay
• From dc/dc converter (diagram 5 of 5)
• From fuse 89 (diagram 2 of 5)
• From k fuse 23 (diagram 5 of 5)
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 40a
• Fuse 5a
• Junction box (under right side of dash)
• Passenger seat module
• Radio
• Red
• Roof function control center
• Side-in compartment
• Start stop button
• Stop function
• Terminal 30g relay
• To dc/dc converter (diagram 5 of 5)
• To fuse (diagram 4 of 5)
• To fuse (diagram 5 of 5)
• To terminal 15 relay (diagram 4 of 5)
• Trailer socket
• W/ automatic engine start-
• W/ cic
• W/ hifi
• W/ top hifi
• W/o automatic engine start-
• W/o cic
• X10318
• X11002
• X11003
• X11006
• X11008
• X11010
• X1276
• X13037
• X13376
• X13709
• X13718
• X13812
• X13911
• X14287
• X1716
• X18180
• X18303
• X18773
• X275
• X279

Power Distribution Wiring Diagram (4 of 5) for BMW 128i 2012

List of elements for Power Distribution Wiring Diagram (4 of 5) for BMW 128i 2012:

• (under right side of dash) junction box
• Auc sensor
• Blower output stage
• Central information display
• Combox
• Controller
• Digital tuner us
• Driver's seat heating module
• Driver's switch cluster
• Eject box
• Electronics junction box
• From bistable relay (diagram 5 of 5)
• From car access system (diagram 3 of 5)
• From l fuse 28 (diagram 3 of 5)
• From r junction box (diagram 3 of 5)
• Fuel pump control (ekps)
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 40a
• Fuse 5a
• Fuse 7.5a
• Gear indicator lighting
• Glove compartment light
• Heating/air conditioning system
• Horn relay
• Left horn
• Longitudinal dynamics management
• Nca
• Park distance control (pdc)
• Passenger's seat heating module
• Passenger's side outside mirror
• Right horn
• Right luggage compartment light
• Roof function control center
• Satellite receiver
• Steering column switch cluster
• Tcu
• Telephone retrofit packages connector
• Telephone transceiver
• Terminal 15 relay
• Tire pressure control (rdc)
• To dc/dc converter (diagram 5 of 5)
• To fuse (diagram 5 of 5)
• Ulf
• Ulf-sbx
• Ulf-sbx-h
• Usb hub
• Video module
• W/ automatic engine start- stop function
• W/ combox
• W/ tcu
• W/ ulf
• W/ ulf-sbx
• W/ ulf-sbx-h
• W/o automatic engine start- stop function
• X04010
• X10171
• X10254
• X10387
• X11001
• X11002
• X11003
• X11007
• X11008
• X11010
• X11011
• X13663
• X13709
• X13822
• X14062
• X14130
• X14133
• X14270
• X14272
• X14286
• X14454
• X1716
• X17397
• X1848
• X256
• X257
• X275
• X279
• X300
• X34130
• X608
• X9331
• X9944

Power Distribution Wiring Diagram (5 of 5) for BMW 128i 2012

List of elements for Power Distribution Wiring Diagram (5 of 5) for BMW 128i 2012:

• (under right side of dash) junction box
• Active cruise control
• Bistable relay
• Ccc/m-ask
• Combox
• Comfort access control unit
• Dc/dc converter (right rear of engine compt)
• Driver's lumbar support switch
• Driver's lumbar support valve block
• Driver's seat backrest width adjustment switch
• Driver's seat backrest width adjustment valve block
• Driver's side outer door handle electronic module
• Eject box
• Electronics junction box
• From car access system m (diagram 3 of 5)
• From e terminal 30g relay (diagram 3 of 5)
• From fuse 28 p (junction box) (diagram 3 of 5)
• From fuse 6 (junction box) (diagram 4 of 5)
• From g horn relay (diagram 4 of 5)
• From j fuse 27 (diagram 4 of 5)
• Front cigar lighter
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• Independent/ auxiliary heating control unit
• Interior lights system
• Junction box (under right side of dash)
• Luggage compartment socket outlet
• Nca
• Passenger's lumbar support switch
• Passenger's lumbar support valve block
• Passenger's seat backrest adjustment switch
• Passenger's seat backrest adjustment valve block
• Passenger's side outer door handle electronic module
• Rear center console charging socket
• Red
• Stop function
• Tcu
• To fuse 25 (diagram 3 of 5)
• To fuse 88 (diagram 4 of 5)
• To junction box (diagram 3 of 5)
• Trailer module
• Transmission control
• W/ automatic engine start-
• W/o automatic engine start-
• X011586
• X04010
• X11001
• X11002
• X11003
• X11004
• X11007
• X11009
• X11586
• X1276
• X13354
• X13812
• X14133
• X14270
• X14271
• X1716
• X173 (under left side of dash)
• X256
• X257
• X275
• X279
• X34130
• X490
• X494 (right rear side of interior panel)
• X6021
• X9331

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 3) for BMW 128i 2012

List of elements for Power Door Locks Wiring Diagram (1 of 3) for BMW 128i 2012:

• (right rear side of interior panel) x494
• Aerial diversity (bottom center of rear window)
• Boot lid button
• Car access system (under left side of dash)
• Computer data lines system
• Convertible
• Coupe
• Driver's door system lock (left front door)
• Electrochromic interior rear
• Fbd receiver
• Footwell module (under left side of dash)
• Fuse f72 15a
• Fuse f73 15a
• Glove compartment central locking drive unit (convertible)
• Hazard warning switch
• Hood contact switch (left rear of engine compt)
• Hot at all times
• Hotel switch
• Interior lights system
• Junction box (under right side of dash)
• Junction box ecu
• Remote control receiver
• View mirror
• X04010
• X1108 (under left side of dash)
• X13376
• X14261
• X14270
• X14271
• X14272
• X173 (under left side of dash)
• X1o254
• X257

Power Door Locks Wiring Diagram (2 of 3) for BMW 128i 2012

List of elements for Power Door Locks Wiring Diagram (2 of 3) for BMW 128i 2012:

• (center of roof) interior movement detector
• Center roof function control
• Convertible
• Coupe
• Fuel filler flap central locking drive (right side of rear compt)
• Fuse f54 7.5a
• Hot at all times
• Interior lights system
• Junction box (under right side of dash)
• Passenger compartment central locking drive (convertible)
• Passenger's door system lock
• Rear lid release switch (interior)
• Siren & tilt alarm sensor
• X11007
• X1108 (under left side of dash)
• X14286
• X14288
• X14289
• X151 (left side of rear compt)
• X256
• X490

Power Door Locks Wiring Diagram (3 of 3) for BMW 128i 2012

List of elements for Power Door Locks Wiring Diagram (3 of 3) for BMW 128i 2012:

• (convertible) siren w/ tilt alarm sensor
• Anti- theft alarm led
• Boot lid central locking drive
• Computer data lines system
• Convertible
• Coupe
• Driver's door microwave sensor
• Electrochromic interior rear view mirror
• Fuse f63 5a
• Hot at all times
• Interior lights system
• Junction box (under right side of dash)
• Passenger's door microwave sensor
• Power distribution system
• Right rear microwave sensor
• X11008
• X151 (left side of rear compt)
• X256
• X257
• X498 (right side of rear compt)

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for BMW 128i 2012

List of elements for Electrochromic Mirror Wiring Diagram for BMW 128i 2012:

• (right side of rear compt) comfort access control unit
• Car access system (under left side of dash) (convertible)
• Convertible
• Coupe
• Electrochromic interior rear view mirror
• Fuse 20a
• Fuse 5a
• Fuse 7.5a
• Hot at all times
• Hot w/ terminal 15 relay energized
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Power distribution system
• Roof function control center
• Siren w/ tilt alarm sensor (rear of left rear wheelwell)
• X10012
• X11001
• X11003
• X11008
• X13354
• X13376
• X14286
• X14287
• X14288

Power Mirrors Wiring Diagram, with Heated Mirrors for BMW 128i 2012

List of elements for Power Mirrors Wiring Diagram, with Heated Mirrors for BMW 128i 2012:

• (under right side of dash) junction box
• Driver's side outside mirror
• Driver's switch cluster
• Electronics junction box
• Footwell module (under left side of dash)
• Fuse 5a
• Heating
• Horizontal
• Hot w/ terminal 15 relay energized
• Interior lights system
• Nca
• Passenger's side outside mirror
• Vertical
• X11001
• X14261
• X14270
• X173 (under left side of dash)
• X256
• X257
• X490

Power Mirrors Wiring Diagram, without Heated Mirrors for BMW 128i 2012

List of elements for Power Mirrors Wiring Diagram, without Heated Mirrors for BMW 128i 2012:

• (under left side of dash) footwell module
• Computer data lines system
• Driver's side outside mirror
• Driver's switch cluster
• Fuse 7.5a
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Nca
• Passenger's side outside mirror
• X11002
• X14260
• X14261
• X173 (under left side of dash)
• X256
• X257
• X490

POWER SEATS

Heated Seats Wiring Diagram for BMW 128i 2012

List of elements for Heated Seats Wiring Diagram for BMW 128i 2012:

• Center console switch center
• Driver's seat backrest heating (in driver seat back)
• Driver's seat cushion heating (in driver seat cushion)
• Driver's seat heating module (under driver seat)
• Electronics junction box
• Fuse 10a x04010
• Fuse 20a
• Fuse 5a
• Heating & air conditioning system (center of dash, above radio)
• Hot at all times
• Hot w/ term 30g relay energized
• Hot w/ terminal 15 relay energized
• Junction box (under right side of dash)
• Nca
• Passenger's seat backrest heating (in passenger seat back)
• Passenger's seat cushion heating (in passenger seat cushion)
• Passenger's seat heating module (under front passenger's seat)
• X01199
• X013709
• X0732
• X0733
• X11001
• X11008
• X13709
• X14270
• X14272
• X173 (under left side of dash)
• X275
• X279
• X490
• X608
• X732
• X733

Heated Steering Wheel Wiring Diagram for BMW 128i 2012

List of elements for Heated Steering Wheel Wiring Diagram for BMW 128i 2012:

• Electronic steering wheel module
• Fuse 10a
• Hot w/ terminal 15 relay energized
• Junction box (under right side of dash)
• Red
• Steering column switch cluster
• Steering wheel heater switch
• Steering wheel heating w/ temperature sensor
• X01004
• X10171
• X10254
• X11001
• X14270
• X14272
• X490

Lumbar Wiring Diagram for BMW 128i 2012

List of elements for Lumbar Wiring Diagram for BMW 128i 2012:

• Driver's lumbar support switch
• Driver's lumbar support valve block (left side of driver seat back)
• Driver's seat vacuum pump (right side of driver seat back)
• Fuse 10a
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Passenger's lumbar support switch
• Passenger's lumbar support valve block (right side of passenger seat back)
• Passenger's seat vacuum pump (left side of passenger seat back)
• Sport seat circuit
• X011586
• X11002
• X11586
• X173 (under left side of dash)
• X490

Sport Seats Wiring Diagram for BMW 128i 2012

List of elements for Sport Seats Wiring Diagram for BMW 128i 2012:

• Driver's lumbar support switch
• Driver's seat backrest width adjustment switch
• Driver's seat backrest width adjustment valve block (right side of driver seat back)
• Driver's seat vacuum pump (right side of driver seat back)
• Fuse 10a
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Passenger's lumbar support switch
• Passenger's seat backrest width adjustment switch
• Passenger's seat backrest width adjustment valve block (left side of passenger seat back)
• Passenger's seat vacuum pump (left side of passenger seat back)
• X011586
• X11002
• X11586
• X173 (under left side of dash)
• X490

POWER TOP/SUNROOF

Convertible Top Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Convertible Top Wiring Diagram (1 of 2) for BMW 128i 2012:

• Activation
• Air conditioning
• Can h
• Can l
• Computer data lines system
• Convertible top drive (right side of rear compt)
• Convertible top drive valve 1
• Convertible top drive valve 2
• Convertible top drive valve 3
• Convertible top lid open hall sensor
• Convertible top module (behind left rear seat)
• Convertible top relay 1 (on convertible top drive)
• Convertible top relay 2 (on convertible top drive)
• Fuse f105 50a
• Fuse f25 20a
• Gnd
• Hall sens sig
• Hall sens sply
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Nca
• Rear fuse holder (right side of rear compt)
• Red
• Sw sig
• System
• Term 15 sply
• Term 30g
• X10002
• X11003
• X11166
• X13037
• X13038
• X13098
• X13146
• X18363
• X498 (right side of rear compt)

Convertible Top Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Convertible Top Wiring Diagram (2 of 2) for BMW 128i 2012:

• Car access system (under left side of dash)
• Clamping bracket erected hall sensor
• Clamping bracket taken down hall sensor
• Convertible top compartment floor switch (left front of rear compt)
• Convertible top compartment lid locked hall sensor
• Cowl panel locked hall sensor
• Locking cowl panel drive (center front of roof)
• Main pillar erected hall sensor
• Main pillar taken down hall sensor
• Nca
• Red
• Tensioning bar extended hall sensor
• Wind screen cowl panel latch incremental transducer drive unit
• X13376
• X498 (right side of rear compt)

Sunroof Wiring Diagram for BMW 128i 2012

List of elements for Sunroof Wiring Diagram for BMW 128i 2012:

• Computer data lines system
• Fuse f25 20a
• Fuse f62 7.5a
• Fuse f7 5a
• Hot at all times
• Hot in start or run
• Hot w/ term 30g relay energized
• Junction box (under right side of dash)
• Roof function control center
• Slide/tilt sunroof drive unit
• X11001
• X11003
• X11008
• X14286
• X14287
• X490

POWER WINDOWS

Power Windows Wiring Diagram for BMW 128i 2012

List of elements for Power Windows Wiring Diagram for BMW 128i 2012:

• Car access system (under left side of dash)
• Computer data lines system
• Driver's switch cluster
• Driver's window motor (left front door)
• Footwell module (under left side of dash)
• Fuse 7.5a
• Fuse f41 30a
• Fuse f53
• Fuse f81 30a
• Fuse f84 40a
• Fuse f86 40a
• Ground
• Hot at all times
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Junction box electronics
• K-bus signal
• Passenger's door power window switch
• Passenger's window motor (right front door)
• Rear driver's side power window motor (convertible) (left rear door)
• Rear passenger's side power window motor (convertible) (right rear door)
• Red
• Sig lin bus
• Signal
• Term 15
• Terminal 30
• Transducer 1
• Transducer 2
• Transducer gnd
• X10012
• X10725
• X11002
• X11005
• X11009
• X1108 (under left side of dash)
• X13376
• X14260
• X14261
• X14270
• X14271
• X173 (under left side of dash)
• X256
• X257
• X490

RADIO

Base Radio Wiring Diagram, with CIC (1 of 2) for BMW 128i 2012

List of elements for Base Radio Wiring Diagram, with CIC (1 of 2) for BMW 128i 2012:

• (18 to 21 pins not used)
• (23 to 28 pins not used)
• (33 to 34 pins not used)
• (w/ automatic start/stop function) hot at all times (w/o automatic start/stop function) hot w/ terminal 30g relay energized
• Aerial digital tuner (convertible)
• Aerial digital tuner 2 (convertible)
• Aerial diversity (bottom center of rear window)
• Aux-in connection
• Car information computer cic
• Central information display
• Computer data lines system
• Convertible
• Coupe
• Electronics junction box
• Fm aerial 2
• Fm aerial 3
• Fuse 15a
• Fuse 5a
• Interior lights system
• Junction box (under right side of dash)
• Left microphone
• Nca
• Rear window aerial (coupe)
• Red
• Usb port
• X01240
• X01241
• X04010
• X11002
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X134125
• X13812
• X13815
• X13816
• X13817
• X13822
• X13823
• X13836
• X13911
• X14066
• X14087
• X14118
• X14272
• X16767
• X1716
• X17425
• X17427
• X17985
• X19580
• X22020
• X22021
• X34124
• X34145

Base Radio Wiring Diagram, with CIC (2 of 2) for BMW 128i 2012

List of elements for Base Radio Wiring Diagram, with CIC (2 of 2) for BMW 128i 2012:

• (w/o automatic start/stop function) hot w/ terminal 30g relay energized (w/ automatic start/stop function) hot at all times
• Aerial (convertible)
• Cd changer (left side of rear compt)
• Convertible
• Coupe
• Digital tuner (left side of rear compt)
• Fuse 10a
• Fuse 5a
• Gps aerial
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left rear mid- range speaker
• Left sub- woofer
• Most bus connector
• Nca
• Right front mid- range speaker
• Right rear mid- range speaker
• Right sub- woofer
• Roof aerial
• Rtti splitter
• Sat
• Satellite receiver (left side of rear compt)
• Sdars aerial
• Tcu/ulf/ulf- sbx/ulf-sbx-h
• Video module (left side of rear compt)
• X014132
• X10639
• X11002
• X11411
• X13016 (left rear side of interior panel)
• X13303
• X13393
• X13824
• X14062
• X14063
• X14064
• X14066
• X14130
• X14131
• X14132
• X14134
• X14454
• X14455
• X14664
• X16766
• X1716
• X18180
• X256
• X257
• X273
• X274
• X30033

Base Radio Wiring Diagram, without CIC for BMW 128i 2012

List of elements for Base Radio Wiring Diagram, without CIC for BMW 128i 2012:

• (left rear side of interior panel) x13016
• Aerial (convertible)
• Aerial diversity (bottom center of rear window)
• Aux-in connection
• Cd changer (left side of rear compt)
• Computer data lines system
• Controller
• Convertible
• Coupe
• Fm aerial 2 (convertible)
• Fm aerial 3 (convertible)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Hot at all times
• Hot w/ term 30g relay energized
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left microphone
• Left rear mid-range speaker
• Left subwoofer
• Most bus connector
• Nca
• Power distribution system
• Radio
• Rear window aerial (coupe)
• Right front mid- range speaker
• Right rear mid-range speaker
• Right subwoofer
• Roof aerial
• Roof aerial (coupe) sdars aerial (convertible)
• Sat
• Satellite receiver (left side of rear compt)
• Sdars aerial (convertible)
• Tcu
• Telephone retrofit packages connector
• Telephone transceiver (center of rear compt)
• W/ automatic start/stop function
• W/o automatic start/stop function
• X01240
• X01241
• X10639
• X11002
• X1108 (under left side of dash)
• X11411
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X13812
• X13815
• X13816
• X13824
• X13911
• X14062
• X14063
• X14064
• X14066
• X14118
• X14134
• X1716
• X18180
• X256
• X257
• X273
• X274
• X30033
• X34145
• X41087
• X41580
• X4716

Hifi Radio Wiring Diagram, with CCC & M-ASK (1 of 3) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, with CCC & M-ASK (1 of 3) for BMW 128i 2012:

• (or nca)
• (pins: 16 to 29 not used)
• (pins: 31 to 34 not used)
• (w/ automatic start/stop function) hot at all times (w/o automatic start/stop function) hot w/ term 30g relay energized
• Aux-in connection
• Ccc/m-ask
• Central information display
• Computer data lines system
• Dynamic stability control (dsc) (left rear of engine compt)
• Electronics junction box
• Fuse 10a
• Fuse 20a
• Fuse 5a
• Hot w/ bistable relay energized
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Left microphone
• Nca
• Red
• Tcu
• Video module (left side of rear compt)
• W/ convertible
• X04010
• X11002
• X11007
• X13016 (left rear side of interior panel)
• X13812
• X13814
• X13817
• X13820
• X13822
• X13823
• X14087
• X14118
• X14133
• X14272
• X14454
• X14455
• X1716
• X18803
• X9331

Hifi Radio Wiring Diagram, with CCC & M-ASK (2 of 3) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, with CCC & M-ASK (2 of 3) for BMW 128i 2012:

• Ccc/m ask
• Cd changer (left side of rear compt)
• Convertible
• Coupe
• Digital tuner (dab) (left side of rear compt)
• Fan m-ask/ccc
• Gps aerial
• Most bus connector
• Nca
• Roof aerial
• Rtti splitter
• Satellite receiver (left side of rear compt)
• Sdars aerial
• Tcu (if equipped)
• W/ convertible
• X014132
• X10639
• X11411
• X13016 (left rear side of interior panel)
• X13393
• X13813
• X13815
• X13816
• X13836
• X14062
• X14063
• X14064
• X14066
• X14130
• X14131
• X14132
• X14134
• X17197
• X18180
• X30033

Hifi Radio Wiring Diagram, with CCC & M-ASK (3 of 3) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, with CCC & M-ASK (3 of 3) for BMW 128i 2012:

• (bottom center of rear window)
• Aerial (convertible)
• Aerial diversity
• Amplifier (left side of rear compt)
• Computer data lines system
• Controller
• Convertible
• Coupe
• Fm aerial 2 (convertible)
• Fm aerial 3 (convertible)
• Fuse 20a
• Fuse 5a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left front tweeter
• Left rear hi- range speaker
• Left side trim panel mid-range speaker
• Left subwoofer
• Nca
• Power distribution system
• Rear window aerial (coupe)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right side trim panel mid-range speaker
• Right subwoofer
• W/ automatic start/stop function
• W/o automatic start/stop function
• X01240
• X01241
• X11002
• X11003
• X1108 (under left side of dash)
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X13824
• X13911
• X1716
• X256
• X257
• X30033

Hifi Radio Wiring Diagram, with CIC (1 of 2) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, with CIC (1 of 2) for BMW 128i 2012:

• (18 to 21 pins not used)
• (23 to 28 pins not used)
• (33 to 34 pins not used)
• (left rear side of interior panel) x13016
• (w/ automatic start/stop function) hot at all times (w/o automatic start/stop function) hot w/ terminal 30g relay energized
• Aerial digital tuner (convertible)
• Aerial digital tuner 2 (convertible)
• Aux-in connection
• Car information computer cic
• Cd changer (left side of rear compt)
• Central information display
• Computer data lines system
• Convertible
• Coupe
• Digital tuner us (left side of rear compt)
• Electronics junction box
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Gps aerial
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Left microphone
• Most bus connector
• Nca
• Red
• Roof aerial (coupe)
• Rtti splitter
• Tcu/ulf/ulf- sbx/ulf-sbx-h
• Usb port
• Video module (left side of rear compt)
• X014132
• X04010
• X10639
• X11002
• X13016 (left rear side of interior panel)
• X13393
• X13812
• X13815
• X13816
• X13817
• X13822
• X13823
• X13836
• X14064
• X14066
• X14087
• X14118
• X14130
• X14131
• X14132
• X14134
• X14272
• X14454
• X14455
• X16766
• X1716
• X17425
• X17427
• X17985
• X18180
• X19580
• X22020
• X22021
• X30033
• X34124
• X34125
• X34145

Hifi Radio Wiring Diagram, with CIC (2 of 2) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, with CIC (2 of 2) for BMW 128i 2012:

• (left side of
• Aerial (convertible)
• Aerial diversity (bottom center of rear window)
• Amplifier (left side of rear compt)
• Convertible
• Coupe
• Fm aerial 2 (convertible)
• Fm aerial 3 (convertible)
• Fuse 20a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid- range speaker
• Left front tweeter
• Left rear hi-range speaker
• Left side trim panel mid-range speaker
• Left subwoofer
• Nca
• Rear compt)
• Rear window aerial (coupe)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right side trim panel mid-range speaker
• Right subwoofer
• Satellite receiver
• Sdars aerial
• W/ automatic start/stop function
• W/o automatic start/stop function
• X01240
• X01241
• X11002
• X11411
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X13824
• X13911
• X14062
• X14063
• X14064
• X14066
• X16767
• X1716
• X256
• X257
• X30033

Hifi Radio Wiring Diagram, without CIC, CCC & M-ASK (1 of 2) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, without CIC, CCC & M-ASK (1 of 2) for BMW 128i 2012:

• (left rear side of interior panel) x13016
• Aux-in connection
• Cd changer (left side of rear compt)
• Computer data lines system
• Controller
• Convertible
• Coupe
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Interior lights system
• Junction box (under right side of dash)
• Most bus connector
• Nca
• Power distribution system
• Radio
• Roof aerial
• Sat
• Satellite receiver (left side of rear compt)
• Sdars aerial (convertible)
• Tcu
• Telephone retrofit packages connector
• Telephone transceiver (center of rear compt)
• W/ automatic start/stop function
• W/ convertibl
• W/ radio
• W/o automatic start/stop function
• W/o radio
• X10639
• X11002
• X11003
• X1108 (under left side of dash)
• X11411
• X13016 (left rear side of interior panel)
• X13812
• X13815
• X13816
• X13824
• X14062
• X14063
• X14064
• X14066
• X14118
• X14134
• X1716
• X18180
• X30033
• X34145

Hifi Radio Wiring Diagram, without CIC, CCC & M-ASK (2 of 2) for BMW 128i 2012

List of elements for Hifi Radio Wiring Diagram, without CIC, CCC & M-ASK (2 of 2) for BMW 128i 2012:

• Aerial (convertible)
• Aerial diversity (bottom center of rear window)
• Amplifier (left side of rear compt)
• Convertible
• Coupe
• Fm aerial 2 (convertible)
• Fm aerial 3 (convertible)
• Fuse 20a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid-range speaker
• Left front tweeter
• Left rear hi-range speaker
• Left side trim panel mid-range speaker
• Left subwoofer
• Nca
• Rear window aerial (coupe)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right side trim panel mid-range speaker
• Right subwoofer
• W/ automatic start/stop function
• W/ convertible
• W/o automatic start/stop function
• X01240
• X01241
• X11002
• X1143
• X13016 (left rear side of interior panel)
• X13344
• X13365
• X13824
• X13911
• X1716
• X256
• X257
• X30033

MOST Data Bus Wiring Diagram for BMW 128i 2012

List of elements for MOST Data Bus Wiring Diagram for BMW 128i 2012:

• Amplifier (w/ top hifi) (left side of rear compt)
• Ccc/m-ask (w/o cic car information center) car information computer cic (w/ cic car information center) radio (w/o cic, ccc & m-ask)
• Cd changer (left side of rear compt)
• Computer data lines system
• Most-bus connector
• Satellite receiver (left side of rear compt)
• Tcu (w/ tcu) ulf (w/ ulf) ulf-sbx (w/ ulf-sbx) ulf-sbx-h (w/ ulf-sbx-h)
• Video module (left side of rear compt)
• X10633
• X10639
• X13812
• X13815
• X13836
• X14063
• X14134
• X14455

Top Hifi Radio Wiring Diagram for BMW 128i 2012

List of elements for Top Hifi Radio Wiring Diagram for BMW 128i 2012:

• (left side of
• Amplifier
• Fuse 20a
• Hot at all times
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front mid-range speaker
• Left front tweeter
• Left rear hi-range speaker
• Left rear mid-range speaker
• Left subwoofer
• Most data bus circuit
• Rear compt)
• Right front mid-range speaker
• Right front tweeter
• Right rear hi-range speaker
• Right rear mid-range speaker
• Right subwoofer
• W/ automatic start/stop function
• W/o automatic start/stop function
• X10633
• X11002
• X13016 (left rear side of interior panel)
• X1716
• X18773
• X256
• X257

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for BMW 128i 2012

List of elements for Shift Interlock Wiring Diagram for BMW 128i 2012:

• 3.0l
• 3.0l twin turbo
• Anti- theft system
• Anti-lock brakes system
• Brake light
• Brake light switch (under left side of dash)
• Can h
• Can l
• Computer data lines system
• Dme control module (right rear of engine compt)
• Fuse 15a
• Hot w/ term 30g relay energized
• Junction box (under right side of dash)
• Red
• Shift lock selector lever lock (under center console)
• Td sig
• Transmission control
• Transmissions system
• X11003
• X60001
• X6031
• X6454 (right rear of engine compt)
• X8500

STARTING/CHARGING

Charging Wiring Diagram for BMW 128i 2012

List of elements for Charging Wiring Diagram for BMW 128i 2012:

• (rear of engine, near transmission) (3.0l) oil condition sensor
• (right rear of engine compt) dme control module
• 3.0l
• 3.0l twin turbo
• Alternator
• Battery
• Battery sensor (right side of rear compt)
• Computer data lines system
• Fuse n/a
• Jump start terminal point (right side of engine compt)
• Luggage well b+ terminal point
• Nca
• Rear fuse holder (right side of rear compt)
• Red
• Starter
• X01195
• X10272
• X18090
• X18261
• X60001
• X60002
• X60005
• X6402
• X6404
• X6512
• X9230

Starting Wiring Diagram for BMW 128i 2012

List of elements for Starting Wiring Diagram for BMW 128i 2012:

• 3.0l
• 3.0l twin turbo
• A/t
• Battery
• Car access system (under left side of dash)
• Charging circuit
• Clutch switch module (under left side of dash)
• Dme control module (right rear of engine compt)
• Dynamic stability control (left rear of engine compt)
• Jump start terminal point (right side of engine compt)
• Luggage well b+ terminal point
• M/t
• Red
• Side-in compartment
• Start-stop button
• Starter
• Transmission control
• X01195
• X10272
• X10318
• X1108 (under left side of dash)
• X13376
• X18090
• X60001
• X6011
• X6031
• X60551
• X60571
• X6402
• X6404
• X6510
• X6512

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for BMW 128i 2012

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for BMW 128i 2012:

• (behind left rear seat) (convertible) left rollover protection actuator
• (behind right rear seat) (convertible) right rollover protection actuator
• (left rear side of interior panel) left "b" pillar air bag sensor
• (left side of driver seat back) driver's air bag inflator assembly
• (right side of passenger seat back) passenger's air bag inflator assembly
• Air bag sig +
• Air bag sig -
• Box (under right side of dash)
• Clstr air bag +
• Clstr air bag -
• Computer data lines system
• Fuse f53 10a
• Fuse f7 5a
• Hot at all times
• Hot in on or start
• Junction
• Junction box (under right side of dash)
• Left front seat belt force limiter generator (coupe)
• Left rear belt pretensioner (coupe)
• Multiple restraint system control unit (rear of center console)
• Nca
• Pass air bag +
• Pass air bag -
• Passenger air bag deactivation switch (right end of dash, near right front door)
• Right "b" pillar air bag sensor (right rear side of interior panel) (coupe)
• Right front seat belt force limiter generator (coupe)
• Right rear belt pretensioner (coupe)
• Roller protection controller (convertible) (behind left rear seat)
• Sig can-bus
• Steering column switch cluster
• X01001
• X01071
• X10170
• X10172
• X10179
• X11001
• X11007
• X11406
• X1441
• X781

Supplemental Restraints Wiring Diagram (2 of 2) for BMW 128i 2012

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for BMW 128i 2012:

• (left headliner) left head air bag inflator assembly
• (left side of driver seat back) driver side air bag inflator assembly
• (right headliner)
• (right side of passenger seat back) passenger side air bag inflator assembly
• Air bag ind
• Batt terminal +
• Batt terminal -
• Car access system (under left side of dash)
• Center roof function control
• Crash sig
• Diode panel
• Driver belt tensioner
• Driver's seat belt buckle contact
• Drv air bag +
• Drv air bag -
• Drv seat belt +
• Drv seat belt -
• Drv seat sens
• Frt pass sig
• Ground
• L air bag +
• L air bag -
• L b pillar sens
• Lf sbf lim gen+
• Lf sbf lim gent
• Lr belt preten+
• Lr belt preten-
• Multiple restraint system control unit (rear of center console)
• Nca
• Pass air bag +
• Pass air bag -
• Pass belt +
• Pass belt -
• Pass seat sens
• Passenger belt tensioner
• Passenger's seat belt buckle contact
• R air bag +
• R air bag -
• R b pillar sig
• Rf sbf lim gent
• Right head air bag inflator assembly
• Rr belt preten+
• Rr belt preten-
• Safety battery terminal generator
• Seat occupancy
• Seat occupancy recognition
• Tcu
• Terminal r
• X13376
• X14286
• X1441
• X18069
• X275
• X279
• X494 (right rear side of interior panel)
• X9331

TRANSMISSION

Transmission Wiring Diagram for BMW 128i 2012

List of elements for Transmission Wiring Diagram for BMW 128i 2012:

• (under left side of dash) car access system
• Anti-theft system
• Computer data lines system
• Footwell module (under left side of dash)
• Fuse 10a
• Fuse 15a
• Fuse 5a
• Gear indicator light
• Hot at all times
• Junction box (under right side of dash)
• Junction box electronics
• Left multi- function steering wheel switch block
• Left rocker switch
• Nca
• Red
• Right multi- function steering wheel switch block
• Right rocker switch
• Selector lever position switch (under shifter, in center console)
• Shift lock selector lever lock (under center console)
• Steering column switch cluster
• Steptronic switch (under shifter, in center console)
• Terminal 30g relay
• Transmission control unit
• X10012
• X11003
• X11008
• X11010
• X13376
• X14261
• X14271
• X14272
• X14275
• X1599
• X1880
• X6021
• X6031
• X6454 (right rear of engine compt)
• X9944

TRUNK, TAILGATE, FUEL DOOR

Trunk & Fuel Door Release Wiring Diagram for BMW 128i 2012

List of elements for Trunk & Fuel Door Release Wiring Diagram for BMW 128i 2012:

• (on rear compt lid)
• Boot lid button
• Boot lid central locking drive
• Car access system (under left side of dash)
• Electronics junction box
• Fuel filler flap center locking drive
• Fuse f72 15a x04010
• Fuse f73 15a
• Glove compartment central locking drive unit (convertible)
• Hot at all times
• Hotel switch
• Interior lights system
• Junction box (under right side of dash)
• Rear lid release switch (interior)
• X10254
• X1108 (under left side of dash)
• X13376
• X14270
• X14271
• X14272
• X498 (convertible) x494 (coupe) (convertible: right side of rear compt) (coupe: right rear side of interior panel)

WARNING SYSTEMS

Warning Systems Wiring Diagram for BMW 128i 2012

List of elements for Warning Systems Wiring Diagram for BMW 128i 2012:

• Computer data lines system
• Fuse 5a
• Hot w/ terminal 30g relay energized
• Junction box (under right side of dash)
• Left front electronic wheel module
• Left front rdc transmitter (front of left front wheelwell)
• Left rear electronic wheel module
• Left rear rdc transmitter (rear of left rear wheelwell)
• Power distribution system
• Rdc antenna (under vehicle)
• Right front electronic wheel module
• Right front rdc transmitter (front of right front wheelwell)
• Right rear electronic wheel module
• Right rear rdc transmitter (rear of right rear wheelwell)
• Tire pressure control (rdc) (right side of rear compt)
• X11003
• X494 (right rear side of interior panel)

WIPER/WASHER

Wiper/Washer Wiring Diagram for BMW 128i 2012

List of elements for Wiper/Washer Wiring Diagram for BMW 128i 2012:

• (right side of engine compt)
• (under right side of dash) junction box
• Electronics junction box
• Fuse 30a
• Fuse f101 250a
• Fuse f25 20a
• Fuse f48 30a
• Fuse f62 7.5a
• Fuse f7 5a
• Headlight washer pump (behind right front wheel)
• Headlight washer relay
• Hot at all times
• Hot w/ terminal 15 relay energized
• Hot w/ terminal 30g relay energized
• Left heated washer nozzle
• Nca
• Outside temperature sensor (front center of bumper)
• Rain/headlight sensor (center of windshield)
• Rear fuse holder (right side of rear compt)
• Red
• Right heated washer nozzle
• Roof function control center
• Washer fluid level switch (behind right front wheel)
• Wind- shield washer pump (behind right front wheel)
• Wiper motor (left side of wind- shield)
• Wiper relay
• X04010
• X10012
• X10209
• X11001
• X11003
• X11006
• X11008
• X11010
• X13020
• X14270
• X14271
• X14286
• X14287
• X14288
• X166
• X490