AIR CONDITIONING – BMW 750i 2012 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (1 of 5) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (1 of 5) for BMW 750i 2012:

• (left front of engine compt)
• (right kick panel) z10 6b
• 11b
• Ac lin2
• Activation ioniser
• Auxiliary water pump (left front of engine compt)
• Computer data lines system
• Electric fan cut out relay (in luggage compt)
• End pos sw sig
• End position switch
• Front center ventilation grille
• Front power distribution box (right front of engine compt)
• Fuse 100a
• Fuse 10a
• Fuse 50a
• Fuse 60a
• Fuse 7.5a
• Fuse box (center of luggage compt)
• Fuse holder (right front of engine compt)
• Gnd
• Gnd ioniser
• Heating/air conditioning system
• Hot at all times
• Hot w/ bistable relay energized
• Hot w/ terminal 30b relay energized
• Interior lights system
• Ioniser
• Junction box (right side of dash)
• Junction box electronics
• K-can bus sig
• Left adjuster sig
• Left end pos sw sig
• Left end position switch
• Left stratification actuator
• Lin bus sig
• Locator lighting
• Rear distribution box (right rear of luggage compt)
• Red
• Refrigerant pressure sensor
• Right adjuster sig
• Right end pos sw sig
• Right end position switch
• Right front ventilation grille
• Right stratification actuator
• Sens gnd
• Sens sig
• Sig evaporator temp sens
• Sply volt
• Temp sens
• W/ fan 400/600w
• W/ fan 800/1000w
• X13 2b
• X8683
• Z10 2b

Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (2 of 5) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (2 of 5) for BMW 750i 2012:

• (front of engine, below generator) characteristic map thermostat
• (left side of engine compt) e-box fan
• (right front of engine compt) digital motor electronics
• 3.0l twin turbo
• 4.4l twin turbo
• 4.4l twin turbo except hybrid
• 4.4l twin turbo except hybrid & 6.0l turbo
• 4.4l twin turbo hybrid
• 4.4l twin turbo hybrid & 6.0l turbo
• 6.0l turbo
• 6.0l turbo 4.4l twin turbo hybrid
• Additional coolant pump (4.4l twin turbo hybrid)
• Auc sensor (left rear of luggage compt)
• Bus sig
• Bus sig act tur cool pump 1b
• Can bus
• Computer data lines system
• Coolant pump
• Cut out rly
• Digital motor electronics 2 (left side of engine compt)
• Elct fan
• Elct pump
• Electric coolant pump (3.0l twin turbo)
• Electric fan
• End position switch
• Engine coolant temperature sensor (front of engine, below generator)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• Fuse holder (right front of engine compt)
• Gnd
• Hot at all times
• Hot w/ load shedding relay energized
• Hot w/ terminal 15n relay energized
• Intercooler coolant pump (front of engine)
• Interior lights system
• Junction box (right side of dash)
• Left front ventilation grille
• Lin bus sig
• Locator lighting
• Nca
• Pnk
• Radiator outlet temperature sensor (except 3.0l twin turbo) (lower right front of engine)
• Radiator shutter drive unit (except 6.0l twin turbo)
• Radiator shutter solenoid (4.4l twin turbo except hybrid)
• Red
• Sens gnd
• Sens sig
• Shutter
• Sig
• Sig/fan
• Thermostat
• Turbocharger coolant pump
• X13 4b
• X148 1b
• X60002
• X60004
• X6455
• X697 1b
• X7517 (right front of engine compt)
• X8681 x8682
• Z10 11b (right kick panel)
• Z10 15b
• Z10 2b (left front of engine compt)
• Z600 5b

Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (3 of 5) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (3 of 5) for BMW 750i 2012:

• (right kick panel) z10 11b
• 12b
• Activation output
• Computer data lines system
• Evaporator temperature sensor (on hvac assembly)
• Fuse 20a
• Fuse 30a
• Fuse 5a
• Gnd
• Hot at all times
• Hot w/ terminal 15n relay energized
• Hot w/ terminal 30b relay energized
• Interior lights system
• Junction box (right side of dash)
• K-can bus sig
• Left front ventilation temperature sensor (on hvac plenum, under upper left air discharge outlets)
• Left heating heat exchanger temperature sensor (center left of hvac plenum)
• Left rear compartment footwell temperature sensor (under rear of driver's seat)
• Left rear compartment stratification actuator
• Left rear compartment ventilation temperature sensor
• Left rear electric auxiliary heater (under driver's seat)
• Left sig temp sens
• Locator lighting
• Lr aux htr
• Nca
• Rear compartment automatic climate control
• Rear compartment blower motor (rear of center console)
• Rear compartment fan motor output stage (rear of center console)
• Rear compartment ventilation grille
• Rear distribution box (right rear of luggage compt)
• Red
• Right front ventilation temperature sensor (on hvac plenum, under upper right air discharge outlets)
• Right heating heat exchanger temperature sensor (center right of hvac plenum)
• Right rear compartment footwell temperature sensor (under right rear passenger's footwell)
• Right rear compartment stratification actuator
• Right rear compartment ventilation temperature sensor
• Right rear electric auxiliary heater (under right rear passenger's footwell)
• Right sig temp sens
• Rr aux htr
• Sens gnd
• Sig
• Sig right sig stratification adjuster
• Sply
• Sply volt
• Z10 14b (front of left quarter panel)
• Z10 6b (right kick panel)

Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (4 of 5) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (4 of 5) for BMW 750i 2012:

• (left front of engine compt) z10 2b
• 3.0l twin turbo
• 6.0l turbo
• A/c compressor
• A/c compressor (electrical)
• Blower motor (right side of dash)
• Blower output stage (right side of dash)
• Control valve
• Driver side
• Except hybrid
• Front passengers heat exchanger water valve
• Fuse 50a
• Fuse 5a
• Fuse holder (right front of engine compt)
• Heat exchanger water valve
• Hot w/ terminal 30b relay energized
• Hybrid
• Magnetic clutch
• N2 1b
• Nca
• Rear fuse holder
• Red
• Starter/ alternator electronics
• W/ auxiliary lighting
• Water valve (left rear of engine compt)
• X01001
• X13 1b
• X13 2b
• X13 3b
• X14741
• X14744
• X4733
• X5030
• X60562 (6.0l turbo)
• X60564
• X630001
• X6452 (6.0l turbo) x6460 (except 6.0l turbo) (6.0l turbo: right front of engine)
• X7517 (right front of engine compt)
• X8199
• Z10 3b (right front of engine compt)

Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (5 of 5) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, with Rear Automatic Climate Control (5 of 5) for BMW 750i 2012:

• 13b
• Computer data lines system
• Defroster flap motor (on hvac assembly)
• Except hybrid
• Fresh air flap motor (right of hvac assembly)
• Fuse 40a
• Hot at all times
• Hybrid
• Junction box (right side of dash)
• Junction box electronics
• Left center ventilation flap motor (on hvac assembly)
• Left front footwell flap motor (on hvac assembly)
• Left front stratifying flap motor (on hvac assembly)
• Left outer ventilation flap motor (on hvac assembly)
• Left rear compartment footwell flap motor
• Left rear stratifying flap motor (on hvac assembly)
• N2 1b
• Recirculation air flap motor (right of hvac assembly)
• Red
• Right center ventilation flap motor (on hvac assembly)
• Right front footwell flap motor (on hvac assembly)
• Right front stratifying flap motor (on hvac assembly)
• Right outer ventilation flap motor
• Right rear compartment footwell flap motor
• Right rear stratifying flap motor (on hvac assembly)
• X01001

Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (1 of 4) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (1 of 4) for BMW 750i 2012:

• 11b
• Ac lin 2
• Activation ioniser
• Computer data lines system
• Electric fan cut out relay (in luggage compt)
• Evaporator temperature sensor
• Front center ventilation grille
• Front power distribution box (right front of engine compt)
• Fuse 100a
• Fuse 10a
• Fuse 50a
• Fuse 60a
• Fuse 7.5a
• Fuse box (center of luggage compt)
• Fuse holder (right front of engine compt)
• Gnd
• Gnd ioniser
• Heating/air conditioning system
• Hot at all times
• Hot w/ bistable relay energized
• Hot w/ terminal 30b relay energized
• Interior lights system
• Ioniser
• Junction box (right side of dash)
• Junction box electronics
• K-can bus sig
• Left front ventilation temperature sensor (on hvac plenum, under upper left air discharge outlets)
• Left heating heat exchanger temperature sensor (center left of hvac plenum)
• Left stratification actuator
• Lh adjuster sw sig
• Lin bus sig
• Rear distribution box (right rear of luggage compt)
• Red
• Rh adjuster sw sig
• Right front ventilation temperature sensor (on hvac plenum, under upper right air discharge outlets)
• Right heating heat exchanger temperature sensor (center right of hvac plenum)
• Right stratification actuator
• Sens gnd
• Sens sig
• Sig evaporator temp sens
• Sply volt
• Temp sens sig
• W/ fan 400/600w
• W/ fan 800/1000w
• X13 2b
• X8683
• Z10 6b (right kick panel)

Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (2 of 4) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (2 of 4) for BMW 750i 2012:

• (or red)
• (right front of engine compt) digital motor electronics
• 3.0l twin turbo
• 4.4l twin turbo
• 4.4l twin turbo except hybrid
• 4.4l twin turbo hybrid
• 4.4l twin turbo hybrid & 6.0l turbo
• 6.0l turbo
• Act tur cool pump 1b
• Additional coolant pump (4.4l twin turbo hybrid)
• Auc sensor (left rear of luggage compt)
• Bus sig
• Can bus
• Characteristic map thermostat (front of engine, below generator)
• Computer data lines system
• Coolant pump
• Cut out rly
• Digital motor electronics 2 (left side of engine compt)
• E-box fan (left side of engine compt)
• Elct fan
• Elct pump
• Electric coolant pump (3.0l twin turbo)
• Electric fan
• Engine coolant temperature sensor (front of engine, below generator)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• Fuse holder (right front of engine compt)
• Gnd
• Hot at all times
• Hot w/ load shedding relay energized
• Hot w/ terminal 15n relay energized
• Intercooler coolant pump (front of engine)
• Junction box (right side of dash)
• Lin bus sig
• Nca
• Pnk
• Radiator outlet temperature sensor (except 3.0l twin turbo) (lower right front of engine)
• Radiator shutter drive unit (except 6.0l turbo)
• Radiator shutter solenoid (4.4l twin turbo except hybrid)
• Red
• Sens gnd
• Sens sig
• Sig
• Sig fan
• Thermost at
• Turbocharger coolant pump (except 3.0l twin turbo)
• X13 4b
• X148 1b
• X5030
• X60002
• X60002 4.4l twin turbo hybrid
• X60004
• X6455
• X697 1b
• X7517 (right front of engine compt)
• X8681
• X8682
• Z10 11b (right kick panel)
• Z10 15b
• Z10 2b (left front of engine compt)
• Z600 5b

Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (3 of 4) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (3 of 4) for BMW 750i 2012:

• (left front of engine compt) z10 2b
• 3.0l twin turbo
• 6.0l turbo
• A/c compressor
• A/c compressor (electrical)
• Auxiliary water pump (left front of engine compt)
• Blower motor (right side of dash)
• Blower output stage (right side of dash)
• Control valve
• Driver side
• Except hybrid
• Front passenger's heat exchanger water valve
• Fuse 50a
• Fuse 5a
• Fuse holder (right front of engine compt)
• Heat exchanger water valve
• Hot w/ terminal 30b relay energized
• Hybrid
• Magnetic clutch
• N2 1b
• Nca
• Rear distribution box (right rear of luggage compt)
• Red
• Starter/ alternator electronics
• W/ auxilary lighting
• Water valve (left rear of engine compt)
• X01001
• X13 1b
• X13 2b
• X13 3b
• X14741
• X14744
• X4733
• X60562 (6.0l turbo)
• X60564
• X630001
• X6452 (6.0l turbo) x6460 (except 6.0l turbo) (6.0l turbo: right front of engine)
• X7517 (right front of engine compt)
• X8199
• Z10 2b (left front of engine compt)
• Z10 3b (right front of engine compt)

Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (4 of 4) for BMW 750i 2012

List of elements for Automatic A/C Wiring Diagram, without Rear Automatic Climate Control (4 of 4) for BMW 750i 2012:

• 13b
• Computer data lines system
• Defroster flap motor (on hvac assembly)
• Except hybrid
• Fresh air flap motor (right of hvac assembly)
• Fuse 40a
• Hot at all times
• Hybrid
• Interior lights system
• Junction box (right side of dash)
• Junction box electronics
• Left front footwell flap motor (on hvac assembly)
• Left front stratifying flap motor (on hvac assembly)
• Left ventilation flap motor (on hvac assembly)
• N2 1b
• Rear compartment flap motor (on hvac assembly)
• Rear compartment ventilation grille
• Recirculation air flap motor (right of hvac assembly)
• Red
• Refrigerant pressure sensor
• Right front footwell flap motor (on hvac assembly)
• Right front stratifying flap motor (on hvac assembly)
• Right ventilation flap motor (on hvac assembly)
• X01001

Cool Box Wiring Diagram for BMW 750i 2012

List of elements for Cool Box Wiring Diagram for BMW 750i 2012:

• Cooler box
• Fuse 10a
• Hot w/ terminal 15n relay energized
• Interior lights system
• Rear fuse holder
• Z10 8b (right rear of luggage compt)

Independent Heating Wiring Diagram for BMW 750i 2012

List of elements for Independent Heating Wiring Diagram for BMW 750i 2012:

• (left front of engine compt) z10 2b
• E85 2b
• Early production
• Electronics junction box
• Fuse 20a
• Hot w/ terminal 30b relay energized
• Independent auxiliary heater (lower left front of engine compt)
• Independent heater circulation pump (lower left front of engine compt)
• Independent heater combustion air blower
• Independent heater plug
• Independent heating cooling changeover valve (lower left front of engine compt)
• Independent heating fuel metering pump (front left of fuel tank)
• Junction box (right side of dash)
• Late production
• Nca
• Rear fuse holder
• X218 1b
• X218 2b
• Z10 14b (front of left quarter panel)
• Z10 2b (left front of engine compt)

Rear Heater & A/C Wiring Diagram for BMW 750i 2012

List of elements for Rear Heater & A/C Wiring Diagram for BMW 750i 2012:

• Computer data lines system
• Front refrigerant shut off valve
• Front shut-off vlv
• Fuse 30a
• Fuse 5a
• Gnd
• Hot at all times
• Hot w/ terminal 30b relay energized
• Interior lights system
• K-can bus sig
• Left rear air conditioning control panel
• Left rear air conditioning system air ventilation flap motor
• Left rear air conditioning system mixing air flap motor
• Left roof outlet nozzle (left side of roof)
• Lin bus sig
• Nca
• Rear air conditioning system blower motor (on rear climate control assembly)
• Rear air conditioning system blower output stage
• Rear compartment air conditioning system
• Rear distribution box (right rear of luggage compt)
• Rear evaporator temperature sensor (on rear air conditioner assembly)
• Rear gnd shut-off valve
• Rear refrigerant shut off valve (on rear climate control assembly)
• Rear shut-off vlv
• Red
• Right rear air conditioning system air ventilation flap motor
• Right rear air conditioning system mixing air flap motor
• Right rear compartment air conditioning control panel
• Right roof outlet nozzle (right side of roof)
• Temp sens gnd
• Temp sens sig
• X25 1b
• Z10 6b (right kick panel)
• Z10 7b (right door sill plate)
• Z10 8b (right rear of luggage compt)