ENGINE PERFORMANCE – BMW 540i 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.4L

4.4L, Engine Performance Wiring Diagram (1 of 3) for BMW 540i 1997

List of elements for 4.4L, Engine Performance Wiring Diagram (1 of 3) for BMW 540i 1997:

• (right rear engine compt) x6452
• A/c sig
• A/c signal
• A/c system
• Air flow sensor grd
• Anti-theft sig
• Anti-theft sytsem
• Camshaft sig
• Cooling characteristic map (front of engine)
• Crankshaft position/rpm sensor (on right front of engine)
• Crankshaft sig
• Cyl 1-2
• Cyl 3-4
• Cyl 5-6
• Cyl 7-8
• Dual temperature sensor (front of engine)
• Engine contr relay
• Engine control module (right side of engine compt in e-box)
• Engine control module relay
• Engine electronics fuse carrier
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 8
• Fuel inj grd
• Fuel injection valves
• Fuel reserve sig
• Fuse 30a
• Fuse 80a
• Fuse box
• Grd
• Hall effect camshaft position sensor (top center of eng)
• Hot at all times
• Hot-film mass air flow sensor (right front of engine)
• Idle speed control
• Ign sig cyl 1
• Ign sig cyl 2
• Ign sig cyl 3
• Ign sig cyl 4
• Ign sig cyl 5
• Ign sig cyl 6
• Ign sig cyl 7
• Ign sig cyl 8
• Intake air temp
• Intake air temperature sensor (right side of eng compt)
• Knock sensor (top center of eng)
• Knock sensor sig
• Malfunction ind
• Mas air flow sig
• Nca
• Oxygen sensor sig
• Red
• Start signal
• Starting/charging system
• Terminal 30
• Terminal 50 sig
• Throttle pos sig
• X60003
• X6452
• X6453 (right rear of engine compt)
• X8680 red

4.4L, Engine Performance Wiring Diagram (2 of 3) for BMW 540i 1997

List of elements for 4.4L, Engine Performance Wiring Diagram (2 of 3) for BMW 540i 1997:

• (left side of engine compt) fuel tank vent valve
• (right side of lugg compt) fuel pump relay
• (w/ ike) (behind instrument cluster) integrated instrument cluster control module
• Fuel pump
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• Fuse panel 1
• Fuse panel 2
• 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
• Hot in run or start
• Idle speed control valve (top side of engine)
• Instrument cluster
• Light module (right kick panel)
• Nca
• Oil level sensor (underside of oil pan)
• Throttle position sensor (top front of engine)
• W/ ike
• W/o ike
• X10015
• X10114
• X10117
• X11176
• X16
• X494
• X6452 (right rear of engine compt)

4.4L, Engine Performance Wiring Diagram (3 of 3) for BMW 540i 1997

List of elements for 4.4L, Engine Performance Wiring Diagram (3 of 3) for BMW 540i 1997:

• A/c sig
• A/c system
• Acc
• Anti-lock brakes system
• Can high
• Can low
• Characteristic sig
• Coolant temp
• Crankshaft pos sig
• Data link connector (left side of engine compt)
• Data link txd
• Engine control module (right side of engine compt in e-box)
• Engine electronics fuse carrier
• Evap emission sig
• Fuel pump relay
• Fuse 30a
• Fuse 5a
• Fuse box
• Grd
• Hot at all times
• Hot in run or start
• Ign grd
• Ignition coils 1-4
• Ignition coils 5-8
• Ignition switch
• Inj sig
• Knock sensor sig
• Nca
• Off
• Oxygen sensor sig
• Plug
• Prog volt inp
• Red
• Rh rear eng speed
• Run
• Start
• Td signal
• Terminal 15
• Terminal 87
• Transmission control module (ags)
• Unloader relay (in e box)
• X10015
• X33
• X6000
• X6002
• X6452 (right rear engine compt)
• X6452 (right rear of engine compt)
• X6453 (right rear of engine compt)
• X6455
• X6456 (right side of engine)
• X8680