ENGINE PERFORMANCE – BMW 540i 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.4L

4.4L, Engine Performance Wiring Diagram (1 of 4) for BMW 540i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (1 of 4) for BMW 540i 1998:

• Camshaft 1 sensor
• Camshaft 2 sensor
• Cooling characteristic map (right side of engine)
• Cooling map
• Crankshaft position/rpm sensor (on right side of transmission)
• Crankshaft sen
• Crankshaft sen gnd
• Crankshaft sen sig
• Cyl 1-2
• Cyl 3-4
• Cyl 5-6
• Cyl 7-8
• Dual temp sw gnd
• Dual temp sw sig
• Dual temperature switch
• Engine control module (rear right side of engine compt in e-box)
• Engine control module relay
• Engine electronics fuse carrier
• Evap emission valve
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Fuel injection valves
• Fuse
• Fuse 30a
• Gnd
• Hall effect camshaft position sensor 1
• Hall effect camshaft position sensor 2
• Hot at all times
• Knock sen 1 sig
• Knock sen 2 sig
• Knock sen 3 sig
• Knock sen 4 sig
• Knock sen shield
• Knock sensor
• Mass air flow sens
• Nca
• Oil level sensor
• Power
• Red
• Sec air inj sig
• Ter 87
• Throttle act
• Vanos inlet
• X60001
• X60003
• X6452
• X6453
• X8582 red

4.4L, Engine Performance Wiring Diagram (2 of 4) for BMW 540i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (2 of 4) for BMW 540i 1998:

• (front of engine) evaporative emission valve
• (left front of vehicle) fuel changeover circuit
• (left rear wheelwell) leakage diagnosis pump
• (right side of lugg compt) fuel pump relay
• Fuel pump
• Fuse 10a
• Fuse 25a
• Fuse 7.5a
• Fuse 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
• Hot film mass air flow sensor (right front of engine)
• Hot in run or start
• Nca
• Oil level sensor (underside of oil pan)
• Red
• Secondary air injection pump valve (top center of engine)
• Vanos inlet cyl 1-4 (right side of engine)
• Vanos inlet cyl 5-8 (left side of engine)
• X10015
• X494
• X6452
• X6453

4.4L, Engine Performance Wiring Diagram (3 of 4) for BMW 540i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (3 of 4) for BMW 540i 1998:

• Acc
• Electric throttle actuator (top center of engine)
• Engine control module (rear right side of engine compt in e-box)
• Engine electronics fuse carrier
• Fuse 30a
• Gnd
• Hot at all times
• Ign coil 1 sig
• Ign coil 2 sig
• Ign coil 3 sig
• Ign coil 4 sig
• Ign coil 5 sig
• Ign coil 6 sig
• Ign coil 7 sig
• Ign coil 8 sig
• Ignition coils 1-4
• Ignition coils 5-8
• Ignition switch
• Nca
• Off
• Plug
• Red
• Run
• Start
• Unloader relay (in e box)
• X33
• X60005
• X6452
• X6453
• X6455
• X6456
• X8582

4.4L, Engine Performance Wiring Diagram (4 of 4) for BMW 540i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (4 of 4) for BMW 540i 1998:

• (behind inst cluster) integrated instrument cluster control module
• (right side of right footwell) light module
• (ter 15-16 not used)
• (ter 20-22 not used)
• (ter 5-6 not used)
• 87a
• A/c comp sig
• Air conditioning system
• Backup light sig
• Clutch pedal position switch (below left side of dash)
• Cpp sw
• Data can hi
• Data can lo
• Eng ctrl mod rly
• Engine control module (rear right side of engine compt in e-box)
• Fuel changeover crt
• Fuel pump relay
• Fuse 50a
• Fuse 5a
• Fuse box
• Ho2s 1 behind
• Ho2s 1 front
• Ho2s 2 behind
• Ho2s 2 front
• Hot at all times
• Hot in run or start
• Hot in run, acc or start
• Ign
• Leakage pump
• Light module
• Pedal pos sens
• Pedal pos sens pwr
• Pedal pos sens sig
• Pedal position sensor
• Red
• Reversing light sig
• Sec air inj act
• Secondary air injection pump (right front wheelwell)
• Secondary air injection pump relay (in e box)
• Ter 15 vlotage
• Transmission control module
• X10015
• X10113
• X10114
• X1108
• X13030
• X166
• X490
• X60002
• X60004