ENGINE PERFORMANCE – BMW 318i 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.9L

1.9L, Engine Performance Wiring Diagrams (1 of 2) for BMW 318i 1998

List of elements for 1.9L, Engine Performance Wiring Diagrams (1 of 2) for BMW 318i 1998:

• (front of engine) hall effect camshaft sensor
• (left rear corner of engine compt) front power distribution box
• (on intake fresh air duct) hot film air mass meter
• (rear of right front shock tower)
• (rear of right front shock tower) g103
• (right rear of engine compt) b+ jump start junction point
• A/c comp cut
• A/c system
• Acc
• Activate a/c
• Activate fan
• Activate valve
• Anti-theft system
• Battery volt
• Camshaft pos
• Crank pos/rpm
• Cyl 1
• Cyl 1 ign coil
• Cyl 2
• Cyl 2 ign coil
• Cyl 3
• Cyl 3 ign coil
• Cyl 3-4 ks
• Cyl 4
• Cyl 4 ign coil
• Drive away sig
• Ecm rly ctrl
• Eng indicator
• Engine control module (dme) (right rear corner of engine compt)
• Engine control module relay
• Evaporative emission valve (near left shock tower)
• Fuel consumpt
• Fuel injection valves
• Fuel pump relay
• G103
• G103 (rear of right front shock tower)
• G125 (front of engine, on cylinder head)
• Ground
• Hot at all times
• Idle speed control valve (front of engine)
• Ign ground
• Ign switch
• Ignition coils (right side of engine compt)
• Ignition switch
• Inj ground
• Intake air resonance changeover valve (left rear of engine compt)
• Intk air temp
• Isc valve ctrl
• Nca
• Normal speed relay
• O2 sens htng
• O2 sensor sig
• Off
• Oxygen sensor (behind catalytic converter)
• Oxygen sensor (in front of catalytic converter)
• Power distribution
• Red
• Run
• Signal input
• Splice
• Start
• Throttle pos
• Unloader relay terminal 15 (under left side of dash)

1.9L, Engine Performance Wiring Diagrams (2 of 2) for BMW 318i 1998

List of elements for 1.9L, Engine Performance Wiring Diagrams (2 of 2) for BMW 318i 1998:

• (behind glove box) cruise control module
• (behind glove box) elctronic immobilizer control module
• (behind upper left rear seatback) g312
• (on right front of eng) crankshaft position/ rpm sensor
• (right rear of engine compt) data link connector
• A/c signal on
• A/c system
• Abs control module/ hydraulic unit (left rear of engine compt)
• Activate relay
• Activate valve
• Air pump (on front of engine compt)
• Can high
• Can low
• Carbon canister valve (in spare wheel- well)
• Computer data lines
• Crnk pos/rpm
• Crnk rpm spd
• Cyl 1-2
• Cyl 1-2 ks
• Cyl 3-4
• Engine control module (dme) (right rear corner of engine compt)
• Engine coolant temperature sensor (front of engine)
• Front power distribution box (left rear corner of engine compt)
• Fuel changeover valve (right of rear seat)
• Fuel pump (below right side of rear seat)
• Fuel tank pressure sensor (right rear wheelwell)
• Fuel tnk pres
• Fuse f18 15a
• Fuse f2 5a
• G103 (rear of right front shock tower)
• G112 (left side of engine compt)
• Instrument cluster
• Intake air temperature sensor (left side of engine compt)
• Knock sensor (top front of engine)
• Nca
• O2 sensor sig
• On-board computer (center console)
• Power distrib- ution
• Program volt
• Red
• Rr speed sig
• Rxd
• Secondary air pump relay
• Secondary air pump valve (on right side of engine)
• Sens ground
• Slip control module (abs/asc) (behind glove box)
• Splice
• Temp signal
• Throttle position sensor (throttle body)
• Transmission control module (egs) (right rear corner of engine compt)
• Txd
• Vehicle speed
• W/ abs
• W/ asc
• X10015
• X10016
• X16
• X17