ENGINE PERFORMANCE – BMW 323i 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagram, Convertible (1 of 2) for BMW 323i 1999

List of elements for 2.5L, Engine Performance Wiring Diagram, Convertible (1 of 2) for BMW 323i 1999:

• (left rear corner of engine compt) front power distribution box
• (top center of engine) fuel injection valves
• (top center of engine) variable camshaft control valve 1
• (under left side of dash) unloader relay terminal 15
• A/c on sig
• A/c system
• Acc
• Activate a/c
• Activate relay
• Activate valve
• Anti- theft system
• B+ jump start junction point (right rear of engine compt)
• Battery
• Camshaft ctrl
• Camshaft pos
• Chekc eng ind
• Crnkshft rpm
• Cyl 1
• Cyl 1 ign coil
• Cyl 1 inj
• Cyl 1-6 fuel pump relay
• Cyl 2
• Cyl 2 ign coil
• Cyl 2 inj
• Cyl 3
• Cyl 3 ign coil
• Cyl 3 inj
• Cyl 4
• Cyl 4 ign coil
• Cyl 4 inj
• Cyl 5
• Cyl 5 ign coil
• Cyl 5 inj
• Cyl 6
• Cyl 6 ign coil
• Cyl 6 inj
• Drive-away sig
• Dual temperature sensor (coolant temperature) (right front of engine)
• Eng cool temp
• Engine control module (dme) (right rear corner of engine compt)
• Engine control module relay
• Fuel cons
• Fuel pump (below right side of rear seat)
• Fuel tank pressure sensor (right rear wheelwell)
• Fuel tnk press
• Fuse f18 15a
• G103 (rear of right front shock tower)
• G103 (rear of right front shock twr)
• G125 (front of engine, on cyl head)
• Ground
• Hot at all times
• Hot fam mtr
• Hot film air mass meter (on intake fresh air duct)
• Idle speed control valve (front of engine)
• Ignition coils (top right side of engine)
• Ignition switch
• Instru- ment cluster system
• Instrument cluster
• Intake air temperature sensor (left side of engine compt)
• Intk air temp
• Left rear seatback) g312
• Nca
• Off
• Red
• Resistor (240 ohm)
• Run
• Speed sig rr
• Start
• Terminal 15
• Throt pos sig
• Throttle pos
• Throttle position sensor (on throttle body)
• X10016
• X16
• X17

2.5L, Engine Performance Wiring Diagram, Convertible (2 of 2) for BMW 323i 1999

List of elements for 2.5L, Engine Performance Wiring Diagram, Convertible (2 of 2) for BMW 323i 1999:

• (below left side of dash) obd ii connector
• (in spare wheelwell) carbon canister valve
• (left rear corner of engine compt) front power distribution box
• (left rear of trunk) exhaust gas flap valve
• (near left shock tower) evaporative emission valve
• (on front of engine) camshaft position sensor (cylinder id)
• (right side of engine) secondary air pump valve
• (top front of engine) knock sensor
• (under left center of car) solenoid valve (running losses)
• 02s htg gnd
• 02s sig gnd
• A/c system
• Activate relay
• Activate valve
• Actv a/c comp
• Air pump (front of engine compt)
• And m3 only
• Asc-sig msr
• Asc-sig za
• Asc-sig zwv
• Auxiliary fuse box (left side of dash)
• Battery
• Camshaft pos
• Can high
• Can low
• Computer data lines system
• Crankshaft position/ rpm sensor (on front of engine)
• Cyl 1-3
• Cyl 1-3 ks
• Cyl 4-6
• Cyl 4-6 ks
• Data link connector (dlc) (right rear of engine compt)
• Engine control module (dme) (right rear corner of engine compt)
• Fuse f50 5a
• G103 (rear of right front shock tower)
• G125 (front of engine, on cyl head)
• Ground
• Nca
• Oxygen sensor i (behind catalytic converter)
• Oxygen sensor i (in front of catalytic converter)
• Oxygen sensor ii (328 and m3) (behind catalytic converter)
• Oxygen sensor ii (328 and m3) (in front of catalytic converter)
• Program volt
• Red
• Running loss
• Secondary air pump relay
• Sensor signal
• Sig exhst flap
• Slip control module (abs/asc) (behind glove box)
• Transmission control module (egs) (right rear corner of engine compt)
• Txd

2.5L, Engine Performance Wiring Diagram, Except Convertible (1 of 3) for BMW 323i 1999

List of elements for 2.5L, Engine Performance Wiring Diagram, Except Convertible (1 of 3) for BMW 323i 1999:

• (left rear of engine compt) x6454
• (on cyl head) vanos valve 1
• B+ potential distributor
• Cam pos sens
• Camshaft sensor grd
• Characteristic map cooling thermostat (on cylinder head)
• Ckp sens ground
• Crankshaft position sensor (left side of engine)
• Crankshaft sen sig
• Digital motor electronics (dme) control unit (left rear of engine compt)
• Dme relay
• Drvrs wish 1 pot 1
• Drvrs wish 1 sig
• Drvrs wish 2 sig
• Dual temp sens sig
• Dual temp sw grd
• E-box (left rear of engine compt)
• Emission valve
• Engine coolant temperature sensor (rear of engine)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injection valves
• Fuse 20a
• Fuse 30a
• Ground
• Hot at all times
• Iat sens grd
• Idle spd cntrl
• Idle speed control valve
• Individual control intake system valve
• Inj sig valve
• Intake air temperature sensor (top center of engine)
• Jet pump
• Knock sens 1 grd
• Knock sens 1 sig
• Knock sens 2 grd
• Knock sens 2 sig
• Knock sens shield
• Knock sensor (rear of engine)
• Maf sens grd
• Maf sens sig
• Mass air flow sensor (front of engine)
• Nca
• Oil pressure sens
• Oil pressure switch
• Oil temp sens grd
• Oil temp sens sig
• Oil temperature sensor (front of engine, under intake)
• Pwr throttle pot 1
• Red
• Sec air inj pmp vlv
• Starting/ charging system
• Temp sens sig
• Term 30 volt
• Term 30h volt sig
• Term 87
• Thermostat sig
• Throttle actuator
• Throttle pos sen 2
• Throttle pos sens 1
• Unload relay act
• Vanos inj sig vlv
• Vanos inj sig vlv 2
• Vanos valve 2 (on cyl head)
• X60001
• X60003
• X64101
• X64102

2.5L, Engine Performance Wiring Diagram, Except Convertible (2 of 3) for BMW 323i 1999

List of elements for 2.5L, Engine Performance Wiring Diagram, Except Convertible (2 of 3) for BMW 323i 1999:

• (left rear wheelwell) leakage diagnosis pump
• (left side of engine compt) evaporative emission valve
• A/c relay
• Camshaft position sensor 1
• Camshaft position sensor 2
• Fuel pump
• Fuel pump relay
• Fuel tank ventilation solenoid valve
• Fuse 15a
• Fuse holder (glove box)
• Heated oxygen sensor i (behind cat conv)
• Heated oxygen sensor i (front of cat conv)
• Heated oxygen sensor ii (behind cat conv)
• Heated oxygen sensor ii (front of cat conv)
• Hot at all times
• Nca
• Secondary air injection pump valve
• Sucking jet pump valve
• Throttle valve
• X494 (behind right rear seat)

2.5L, Engine Performance Wiring Diagram, Except Convertible (3 of 3) for BMW 323i 1999

List of elements for 2.5L, Engine Performance Wiring Diagram, Except Convertible (3 of 3) for BMW 323i 1999:

• (left rear of engine compt)
• (left rear of engine compt) transmission control module
• (ter 12-16 not used)
• (ter 5-9 not used)
• (ter 8-11 not used)
• A/c comp sig
• A/c system
• Anti-lock brakes system
• Brake light
• Brakelight switch (on bracket, above brake pedal)
• Can h
• Can l
• Clutch pedal position switch
• Computer data lines system
• Cool out temp
• Coolant outlet temperature sensor
• Cooling fans system
• Cpp sw sig
• Cruise control
• Data link
• Data link txd
• Diagnosis sig txd
• Digital motor electronics (dme) control unit (left rear of engine compt)
• E-box (left rear of engine compt)
• Exhaust flap
• Exhaust flap valve (left rear of luggage compt)
• Exterior lights system
• Fan
• Fuel pump rly act
• Fuse 30a
• Fuse 50a
• Fuse 5a
• Fuse holder (glove box)
• Ground
• Ho2s grd
• Ho2s ground
• Ho2s htr grd
• Ho2s signal
• Hot at all times
• Hot in acc, run or start
• Hot in run or start
• Ign coil 1 sig
• Ign coil 2 sig
• Ign coil 3 sig
• Ign coil 4 sig
• Ign coil 5 sig
• Ign coil 6 sig
• Ignition coils
• Instrument cluster
• Leak diag pump sig
• Nca
• Obd socket
• Oil press ind
• Plug
• Red
• Rr eng spd sig
• Sec air pmp rly act
• Secondary air injection pump (right front wheelwell)
• Secondary air injection pump relay
• Signal running loss
• Strg whl ctrls
• Term 30h volt sig
• Unloader relay
• X10016
• X11175
• X166 (right front of engine compt)
• X217 (under left side of dash)
• X60002
• X60004
• X60005
• X6454
• X6456 (right side of engine)
• X8680