ENGINE PERFORMANCE – BMW 740i 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.4L

4.4L, Engine Performance Wiring Diagram (1 of 3) for BMW 740i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (1 of 3) for BMW 740i 1998:

• Camshaft 1 hall effect sensor
• Camshaft 2 hall effect sensor
• Camshaft pos sen 1
• Camshaft pos sen 2
• Cooling characteristic map
• 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 (front of engine)
• E-box fan
• Elec throttle act
• 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 20a
• Fuse 30a
• Fuse 80a
• Generator
• Gnd
• 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 sen
• Mass air flow sensor
• Nca
• Power
• Red
• Sec air inj pump val
• Secondary air injection pump valve
• Starting/ charging system
• Ter 87
• Vanos inlet, cyl 5-8
• Vanos valve sig
• X mass air flow sen
• X60001
• X60003
• X6452
• X8680 red

4.4L, Engine Performance Wiring Diagram (2 of 3) for BMW 740i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (2 of 3) for BMW 740i 1998:

• (in e-box) secondary air injection pump relay
• (left rear wheelwell) leakage diagnosis pump
• (left side of engine compt) evaporative emission valve
• (rear right side of luggage compt) fuel pump relay
• (under right front of vehicle) fuel changeover circuit
• E-box fan (rear right side of engine compt)
• Electric throttle actuator
• Fuel pump
• Fuse 10a
• Fuse 15a
• Fuse 50a
• 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
• Nca
• Pedal position sensor (behind left side of dash)
• Red
• Vanos inlet (cylinders 1-4)
• Vanos inlet (cylinders 5-8)
• X10016
• X490
• X494
• X6452

4.4L, Engine Performance Wiring Diagram (3 of 3) for BMW 740i 1998

List of elements for 4.4L, Engine Performance Wiring Diagram (3 of 3) for BMW 740i 1998:

• (behind inst cluster integrated instrument cluster control module
• (right front of wheelwell) secondary air injection pump
• (right side of right footwell) light module
• (ter 15-16 not used)
• (ter 18-20 not used)
• (ter 20-22 not used)
• (ter 22-25 not used)
• (ter 27-28 not used)
• (ter 38-39 not used)
• Acc
• Air conditioning system
• Can bus hi
• Can bus lo
• Can link hi
• Can link lo
• Charge ind sig
• Computer data lines system
• Data link conn (txd)
• Eng ctrl mod rly
• Eng speed sig
• Engine control module (rear right side of engine compt in e-box)
• Engine electronics fuse carrier
• Fuel changeover
• Fuel pump relay
• Fuse 30a
• Fuse 5a
• Gnd
• Heat & a/c ctrl mod
• Ho2s 1 behind
• Ho2s 1 front
• Ho2s 2 behind
• Ho2s 2 front
• Hot at all times
• 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
• Ign coil 7 sig
• Ign coil 8 sig
• Ign pwr
• Ignition coils 1-8
• Ignition switch
• Instrument cluster system
• Leakage diag pump
• Nca
• Off
• Oil level sen sig
• Pedal pos sen gnd
• Pedal pos sen pwr
• Pedal pos sen sig
• Pedal pos sig pwr
• Plug
• Red
• Run
• Sec air inj pump rly
• Shielded wires
• Start
• Start sig
• Starter relay
• Starting system
• Transmission control module (ags) (rear right side of engine compt in e-box)
• Unloader relay
• X10016
• X33
• X493
• X60002
• X60004
• X60005
• X6452
• X6455
• X6456
• X70004
• X8680