AIR CONDITIONING – BMW 740iL 1998 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for BMW 740iL 1998

List of elements for Automatic A/C Wiring Diagram (1 of 3) for BMW 740iL 1998:

51

• A/c compressor
• A/c system (independent heating circuit) (if equipped)
• Dash vent mixing flap motor
• Defogger system
• Defroster flap motor (center of dash)
• Engine control module
• Engine control module i
• Engine control module ii
• Fuse box
• Fuse f106 80a
• Fuse f11 15a
• Fuse f20 5a
• Fuse f34 30a
• Fuse f38 5a
• Fuse f7 7.5a
• Fuse f78 50a
• Fuse f81 40a
• Fuse f9 20a
• Heating and a/c control module
• High pressure switch
• Hot at all times
• Hot in run or start
• Interior lights system computer data lines system
• Red
• Right footwell flap motor
• Right ventilation flap motor
• W/ 1997 early prod & 1996
• W/ 1997 late prod & 1998
• W/ 740il & 740i
• W/ 750il
• Wiper/washer system
• X10015
• X10016
• X10017
• X10019
• X10210
• X10298
• X1106 (right side engine compt)
• X18153
• X18341
• X492 (right door sill)
• X6000
• X60003
• X60004
• X6010
• X60103
• X60104
• X6020
• X610
• X613
• X614

Automatic A/C Wiring Diagram (2 of 3) for BMW 740iL 1998

List of elements for Automatic A/C Wiring Diagram (2 of 3) for BMW 740iL 1998:

29

• (left rear engine compt) water valve assembly
• Auxiliary fan high speed relay
• Auxiliary fan normal speed relay
• Auxiliary water pump
• Blower motor
• Blower relay
• Double temperature switch
• Dual temperature sensor
• Electric fan
• Engine controls system
• Final stage unit
• Footwell
• General module
• Instrument cluster system
• Interior lights system
• Left footwell flap motor
• Left mixing flap motor
• Left ventilation flap motor
• Nca
• Rear compartment actuator motor
• Recirculation flap motor (center of dash)
• Red
• W/ 1997 early prod & 1996
• X1106 (right side engine compt)
• X254
• X490 (right door sill)
• X493 (right front engine compt)
• X671
• X816

Automatic A/C Wiring Diagram (3 of 3) for BMW 740iL 1998

List of elements for Automatic A/C Wiring Diagram (3 of 3) for BMW 740iL 1998:

23

• (center of dash) fresh air flap motor
• Automatic air recirculation sensor
• Evaporator temperature sensor (behind center of dash)
• Heating and a/c control module
• Interior lights system
• Left heat exchanger temperature sensor
• Left ventilation sensor
• Light module
• Mixing actuator
• Mixing actuator light
• Rear mixing actuator
• Rear ventilation switch
• Red
• Right heat exchanger temperature sensor
• Right ventilation sensor
• Stage 3 auxiliary fan relay
• X18815
• X18816
• X38
• X490 (right door sill)
• X611
• X692
• X981

Cool Box Wiring Diagram for BMW 740iL 1998

List of elements for Cool Box Wiring Diagram for BMW 740iL 1998:

10

• Cooler box
• Fuse box
• Fuse f59 15a
• General module
• Hot at all times
• Interior lights system
• X10018
• X254
• X4222
• X498 (right rear luggage compt)

Rear Blower Motor Wiring Diagram for BMW 740iL 1998

List of elements for Rear Blower Motor Wiring Diagram for BMW 740iL 1998:

19

• (right rear
• Computer data lines system
• Fuse box (right side of luggage compt)
• Fuse f61 20a
• Fuse f68 5a
• General module
• Hot at all times
• Hot in run or start
• Interior lights system
• Luggage compt)
• Rear compartment blower control module
• Rear compartment outlet temperature sensor
• Rear compt blower motor
• Rear compt blower relay
• X10018
• X1574
• X254
• X492 (right door sill)
• X498