ENGINE PERFORMANCE – BMW 525i 1994 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagrams (1 of 2) for BMW 525i 1994

List of elements for 2.5L, Engine Performance Wiring Diagrams (1 of 2) for BMW 525i 1994:

• (right rear of engine compt.)
• (top right side of engine)
• 15a
• 5v ref
• A/c comp ctrl
• Acc
• Battery (30)
• Camshaft act
• Camshaft actuator (front of engine)
• Camshft sens
• Crank rpm in
• Crank rpm td
• Crnkshft sens
• Cyl 1 ign coil
• Cyl 2 ign coil
• Cyl 3 ign coil
• Cyl 4 ign coil
• Cyl 5 ign coil
• Cyl 6 ign coil
• Cylinder 1
• Cylinder 2
• Cylinder 3
• Cylinder 4
• Cylinder 5
• Cylinder 6
• E-box
• Ecm rly ctrl
• Elec/shld gnd
• Engine control module (dme) (rear right side of engine compt in e-box)
• Engine control module relay
• Evap ctrl
• Evaporative emission valve (left side of engine compt.)
• Fp rly ctrl
• Front power distribu- tion box
• Fuel consum
• Fuel injector valves
• Fuel pump relay
• Fuse 23
• G103 (right rear of engine compt.)
• G125 (front of engine)
• Gnd
• Hfam meter
• Hfam meter in
• Ho2s gnd
• Ho2s rly ctrl
• Ho2s sig
• Hot at all times
• Idle speed control valve (front of engine)
• Ign gnd
• Ign shld gnd
• Ign timing
• Ignition coils
• Ignition switch
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Inj out gnd
• Isc ctrl
• Mil ind ctrl
• Nca
• Off
• Red
• Red b+ junction point
• Resistor (240 ) (top center of engine)
• Run
• Sensor gnd
• Slip control module & asc switch
• Start
• Start (15)
• Switched batt
• Thrtl vlv pos
• Vss td
• W/ a/t

2.5L, Engine Performance Wiring Diagrams (2 of 2) for BMW 525i 1994

List of elements for 2.5L, Engine Performance Wiring Diagrams (2 of 2) for BMW 525i 1994:

• cruise control module
• & starter immobilizer relay
• (below right
• (left rear of engine compt.)
• (right rear of engine compt.)
• A/c press
• A/c sw
• A/c system
• A/t
• Automatic transmission range switch (below center console)
• Auxiliary fan & a/c pressure switch
• Control module
• Crankshaft position/ rpm sensor (right front of engine)
• Cyl 1-3 knock sensor (top front of engine)
• Cyl 1-3 ks
• Cyl 4-6 knock sensor (top front of engine)
• Cyl 4-6 ks
• Data link connector (front of battery)
• Drive-away sig
• E-box
• Ect sens
• Engine control module (dme) (rear right side of engine compt, in e-box)
• Engine coolant temperature sensor (front of engine)
• Front power distri- bution box (left rear of engine compt)
• Front power distribution box
• Fuel pump & fuel level sensor (right side of luggage compt.)
• Fuse 7.5a
• G103 (right rear of engine compt.)
• G303
• Hall effect camshaft sensor (front of engine)
• Heated oxygen sensor (on catalytic converter)
• Hot film air mass meter (top front of engine)
• Hot in run and start
• Iat sens
• Instrument cluster
• Intake air temperature sensor (front of engine)
• Integrated climate regulation control module
• Ks/shld gnd
• M/t
• Malfunction indicator (check engine)
• Nca
• On-board computer & instrument cluster
• Oxygen sensor relay
• P/n
• P/n input
• Program volt
• Rear seat)
• Red
• Rxd data
• Slip
• Slip control module
• Starter immobilization relay
• Throttle position sensor (throttle body)
• Tps
• Tps-abs/asc
• Tps-increase
• Tps-reduce
• Transmission control module (egs) (rear right side of engine compt, in e-box)
• Txd data
• Vehicle speed output
• W/ a/t
• X16
• X502
• X511