ENGINE PERFORMANCE – BMW 318i 1993 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.8L

1.8L, Engine Performance Wiring Diagrams (1 of 2) for BMW 318i 1993

List of elements for 1.8L, Engine Performance Wiring Diagrams (1 of 2) for BMW 318i 1993:

• 5v ref
• 87a
• A/c comp cut
• Acc
• B+ junction point
• Battery
• Bn/gn
• Cps
• Cyl 1 ign coil
• Cyl 1-2 ks
• Cyl 2 ign coil
• Cyl 3 ign coil
• Cyl 3-4 ks
• Cyl 4 ign coil
• Cyl ident
• Cylinder 1 ignition coil (top right side of engine)
• Cylinder 2 ignition coil (top right side of engine)
• Cylinder 3 ignition coil (top right side of engine)
• Cylinder 4 ignition coil (top right side of engine)
• Dkv
• Ecm rly ctrl
• Engine control module (dme) (rear right side of engine compt in e-box)
• Engine control module relay
• Evap ctrl
• Evaporative emission valve (right of left side shock tower)
• Fp rly ctrl
• Front power distribution box
• Fuel cons sig
• Fuel injector valves
• Fuel pump relay
• Fuse 18 15a
• G117 (right rear side of engine compartment)
• Ground
• Hot at all times
• Ia res ctrl
• Idle speed control valve (near oil level stick)
• Ignition switch
• Inj 1-3
• Inj 2-4
• Intake air resonance changeover valve (rear left side of engine compartment)
• Isc ctrl
• Mil ind ctrl
• Nca
• O2s rly ctrl
• Off
• Red
• Run
• Spark plugs
• Start
• Tps
• Vaf ctrl
• Vol air flow

1.8L, Engine Performance Wiring Diagrams (2 of 2) for BMW 318i 1993

List of elements for 1.8L, Engine Performance Wiring Diagrams (2 of 2) for BMW 318i 1993:

• (right rear side of
• A/c press
• A/c sw
• A/c system
• Automatic transmission range switch
• Camshaft position sensor (rear of radiator)
• Crank rpm
• Crankshaft position/rpm sensor (under front of car)
• Cyl 1-2 knock sensor (top front of engine)
• Cyl 3-4 knock sensor (top front of engine)
• Data link connector (front of battery)
• Drive p/n
• Drive-away sig
• Ect sens
• Engine compartment)
• Engine control module (dme) (rear right side of engine compt in e-box)
• Engine coolant temperature sensor (right front of engine)
• Engine speed input
• Front power distri- bution box x10017
• Front power distribution box
• Fuel consumption
• Fuel pump (below right side of rear seat)
• Fuse 5a
• G117
• G312 (behind left rear seat)
• Gn/vi
• Heated oxygen sensor (under center of car)
• Hot in run and start
• Ign timing
• Instrument cluster
• Instrument cluster, a/c
• Malfunction indicator (check engine)
• Nca
• O2 ground
• O2 sens sig
• On-board computer
• Oxygen sensor relay
• Program volt
• Red
• Rxd data
• Throttle position sensor (left side of engine)
• Transmission control module (egs) (rear right side of engine compt, in e-box)
• Txd data
• Vaf sens
• Vehicle speed output
• Volume air flow sensor (right of left shock tower)
• Vss
• X10017
• X16
• X17
• X511