ENGINE PERFORMANCE – BMW 750iL 1993 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.0L

5.0L, Electronic Throttle Control Wiring Diagram (1 of 2) for BMW 750iL 1993

List of elements for 5.0L, Electronic Throttle Control Wiring Diagram (1 of 2) for BMW 750iL 1993:

• (ags)
• (egs)
• A/c compr on
• A/c compressor & lock control module
• A/c sw
• Air conditioning relay (pin #5/87)
• Automatic heating/ac control module (pin #9)
• Automatic transmission range switch (pin #3)
• Auxiliary relay box #2
• B+ junction point
• Brake light sw
• Connector (right of left front shock tower)
• Cyl 7-12 engine control module relay (front of right front shock tower, in auxiliary relay box #2)
• Cyl. 1-6 engine control module (in electronics box)
• Cyl. 1-6 engine control module relay (in electronics box)
• Cyl. 7-12 engine control module (in electronics box)
• Cyl.7-12 engine control system)
• Data link
• Diagnosis rxd
• Diagnosis txd
• Dk actuator
• Dk angle incr
• Dkr
• Electronic gnd
• Electronic grd
• Electronic throttle control module (eml) (behind right front shock tower, in electronics box)
• Eml warning
• Eml warning indicator
• Engine speed
• Engine temp
• Fgr identifier
• Front power distribution box
• Fuel injectors (1-3-5)
• Fuel injectors (7-9-11)
• Full load sig
• Fuse f20 7.5a
• G103 (right rear of engine compartment, above electronics box)
• Gnd
• Hot at all times
• Idle sig
• Idle signal
• Injection sig
• Instrument cluster
• Kick down sig
• P/n identifier
• Program switch (center console)
• Pwg 90 sw
• Pwg setting
• Red
• Road speed
• S-prog (egs)
• Servotronic control module (pin #1)
• Terminal 15
• Throttle 17
• Throttle pos
• Thrttl pos sig
• Transmission control module (behind right kick panel)
• Vehicle speed input
• Vehicle speed output
• X16
• X502
• X6002
• X8500
• X8600

5.0L, Electronic Throttle Control Wiring Diagram (2 of 2) for BMW 750iL 1993

List of elements for 5.0L, Electronic Throttle Control Wiring Diagram (2 of 2) for BMW 750iL 1993:

• (below dash, left of steering column)
• (front of engine compartment)
• (inside top left kick panel) lock sensor control module
• (on brake pedal support) brake light switch
• 66.5
• Acc/set
• Angle >17
• Angle >9
• Brake light test
• Brake lights
• Check control module (in front power distribution box)
• Cruise control switch
• Cyl. 1-6 throttle body (top left side of engine)
• Cyl. 7-12 throttle body (top right front of engine)
• Dec/set
• Engine coolant temperature sensor (right rear of engine
• Exterior lights system
• Front power distribution box
• Fuse f1 15a
• G103 (right rear of engine compartment, above electronics box)
• G202
• Gas pedal depressed
• General module (pin #11/x253), radio (pin #10/x18126), & electronic shock absorber control module (pin #13/x263)
• Hot in acc, run, or start
• Nca
• Normal
• Off
• On-board computer (pin #7/x501)
• Red
• Resume
• Slip control module (in electronics box)
• Throttle position sensor

5.0L, Engine Performance Wiring Diagrams, Cylinders 1-6 (1 of 3) for BMW 750iL 1993

List of elements for 5.0L, Engine Performance Wiring Diagrams, Cylinders 1-6 (1 of 3) for BMW 750iL 1993:

• (ahead of left front shock tower)
• (right front of engine compartment, below air cleaner assembly)
• (right rear of engine compartment, above electronics box)
• Acc
• Auxiliary relay box #2
• B+ junction point
• Carb-lamp
• Cyl 1-6 ecm sig
• Cyl 1-6 engine control module relay
• Cyl 1-6 fuel pump relay
• Cyl 7-12 engine control module (in electronics box)
• Cyl ref sig
• Cyl. 1-6 engine control module (dme/eml) (behind right front shock tower, in electronics box)
• Cyl. 1-6 evaporative emission valve
• Cyl. 1-6 ignition coil (left front of engine compartment)
• Cyl. 7-12 ignition coil (right front of engine compartment)
• Distributor
• Ecm relay ctrl
• Ekp & tr sig
• Elec/shld gnd
• Evap emiss valv
• Free combustn
• Fuel inj 1-3-5
• Fuel inj 2-4-6
• Fuel inj gnd
• Fuel injection valves
• Full load sig
• G103
• G103 (right rear of engine compartment, above electronics box)
• Ground
• H02s relay ctrl
• Hot at all times
• Ign termnl 1
• Ign termnl 15
• Ignition switch
• Maf sens
• Maf sens gnd
• Mass air flow sensor (left front of engine, on air intake assembly)
• Off
• Red
• Run
• Sensors gnd
• Spark plugs (#1-#6)
• Start
• Ti measur sig

5.0L, Engine Performance Wiring Diagrams, Cylinders 1-6 (2 of 3) for BMW 750iL 1993

List of elements for 5.0L, Engine Performance Wiring Diagrams, Cylinders 1-6 (2 of 3) for BMW 750iL 1993:

• "check engine" indicator
• (auxiliary relay box #2)
• (below luggage compartment, thru right access panel) cyl 1-6 fuel pump
• (not used)
• (right rear of engine compartment) electronics box fan
• (right rear of engine compartment, above electronics box)
• Automatic transmission range switch (base of gear select)
• Cyl 7-12 engine control module (inside electronics box)
• Cyl 7-12 fuel pump relay
• Cyl. 1-6 crankshaft position/rpm sensor (lower left front centr of engine)
• Cyl. 1-6 cylinder identification sensor (under left distributor cover,
• Cyl. 7-12 engine control module relay (auxiliary relay box 2)
• Front power distribution box
• Fuel rate consumption
• Fuse f17 7.5a
• Fuse f23 15a
• G100 (left front of engine compartment)
• G103
• G103 (right rear of engine compartment)
• G303 (below right side of rear seat)
• High
• Hot in run or start
• Instrument cluster
• Low
• Nca
• Oil pressure indicator
• Oil pressure switch (on rear of oil filter)
• On spark plug wire #6)
• On-board computer (center of dash, right of radio)
• Red
• Temperature switch (inside electronics box)
• Vehicle speed output
• X13
• X16
• X21
• X502

5.0L, Engine Performance Wiring Diagrams, Cylinders 1-6 (3 of 3) for BMW 750iL 1993

List of elements for 5.0L, Engine Performance Wiring Diagrams, Cylinders 1-6 (3 of 3) for BMW 750iL 1993:

• (below center of car) cyl. 1-6 heated oxygen sensor
• (inside electronics box) electronic throttle control module (eml)
• (inside top left kick panel) lock-sensor control module
• * adaptive
• ** electronic
• 03 sens gnd
• Abs sig
• Ait sens sig
• Cyl 7-12 heated oxygen sensor (pin #4)
• Cyl. 1-6 engine control module (dme/eml) (right rear of engine compartment, in electronics box)
• Cyl. 1-6 engine intake air temperature sensor (left rear of engine, on end of cylinder head)
• Data link connector (partial-20 pins) (right of left shock tower)
• Data link system
• Diagnosis
• Ect sens sig
• Electronics box
• Eng spd sig
• Engine coolant temperature sensor (right rear of engine, on end of cylinder head)
• Engine speed input
• Front power distri- bution box
• Fuse f28 15a
• G103 (right rear of engine compartment, above electronics box)
• Hood/radio sig
• Hot in run or start
• Idle co-pot
• Idle sig
• Ign time intrvn
• Instrument cluster
• Nca
• O2 sens sig
• Oxygen sensor relay
• P/n switch
• Program volt
• Red
• Rpm sig
• Rpm sig rtn
• Slip control module (abs/asc+t) (in electronics box)
• Speed a-sig
• Tcc
• Throttle position sensor (front of engine compartment)
• Transmission control module (behind right kick panel)
• Transmission valve unit (tcc solenoid valve) (pin #7)
• Transmission, ags
• Transmission, egs
• X16
• X6002
• X8500
• X8600

5.0L, Engine Performance Wiring Diagrams, Cylinders 7-12 (1 of 3) for BMW 750iL 1993

List of elements for 5.0L, Engine Performance Wiring Diagrams, Cylinders 7-12 (1 of 3) for BMW 750iL 1993:

• #10
• #11
• #12
• (ahead of left front shock tower)
• (right front of engine compartment, below air cleaner assembly)
• (right rear of engine compartment, above electronics box)
• Acc
• Auxiliary relay box #2
• B+ junction point
• Carb-lamp
• Cyl 7-12 ecm sig
• Cyl 7-12 engine control module relay
• Cyl 7-12 fuel pump relay
• Cyl ref sig
• Cyl. 1-6 ignition coil (right front of engine compartment)
• Cyl. 7-12 engine control module (dme/eml) (behind right front shock tower, in electronics box)
• Cyl. 7-12 evaporative emission valve
• Cyl. 7-12 ignition coil (left front of engine compartment)
• Cyl. 7-12 mass air flow sensor (right front of engine, on air intake assembly)
• Distributor
• Ecm relay ctrl
• Ekp & tr sig
• Elec/shld gnd
• Evap emiss valv
• Free combustn
• Fuel inj 7-9-11
• Fuel inj 8-10-12
• Fuel inj gnd
• Fuel injection valves
• Full load sig
• G103
• G103 (right rear of engine compartment, above electronics box)
• Ground
• Hot at all times
• Ign termnl 1
• Ign termnl 15
• Ignition switch
• Maf sens
• Maf sens gnd
• Nca
• Off
• Red
• Run
• Spark plugs (#7-#12)
• Start
• Temp sens gnd
• Ti measur sig

5.0L, Engine Performance Wiring Diagrams, Cylinders 7-12 (2 of 3) for BMW 750iL 1993

List of elements for 5.0L, Engine Performance Wiring Diagrams, Cylinders 7-12 (2 of 3) for BMW 750iL 1993:

• "check engine" indicator
• (auxiliary relay box #2)
• (below luggage compartment, in fuel tank) cyl 7-12 fuel pump
• (not used)
• Automatic transmission range switch (base of gear select)
• Cyl 1-6 engine control module (inside electronics box)
• Cyl. 1-6 engine control module relay
• Cyl. 1-6 fuel pump relay
• Cyl. 7-12 crankshaft position/rpm sensor (near top radiator hose engine inlet)
• Cyl. 7-12 cylinder identification sensor (under right distributor cover,
• Front power distribution box
• Fuel rate consumption
• Fuse f17 7.5a
• Fuse f24 15a
• G103 (right rear of engine compartment)
• G303 (below right side of rear seat)
• Gn/yl/wt
• High
• Hot in run or start
• Instrument cluster
• Low
• Nca
• On spark plug wire #12)
• On-board computer (center of dash, right of radio)
• Red
• Vehicle speed output
• X13
• X16
• X21
• X502

5.0L, Engine Performance Wiring Diagrams, Cylinders 7-12 (3 of 3) for BMW 750iL 1993

List of elements for 5.0L, Engine Performance Wiring Diagrams, Cylinders 7-12 (3 of 3) for BMW 750iL 1993:

• (inside electronics box) electronic throttle control module (eml)
• (right top of catalytic converter) cyl. 7-12 heated oxygen sensor
• * adaptive
• ** electronic
• 02 sens gnd
• Abs sig
• Asc switch (pin #5)
• Crank rpm sig
• Crank sig
• Cyl 1-6 fuel pump relay (pin #2/87)
• Cyl 1-6 heated oxygen sensor (pin #4)
• Cyl 1-6 identify
• Cyl. 7-12 engine control module (dme/eml) (right rear of engine compartment, in electronics box)
• Cyl. 7-12 engine intake air temperature sensor (left rear of engine, on end of cylinder head)
• Data link connector (partial-20 pins) (right of left shock tower)
• Data link system
• Diagnosis rxd
• Diagnosis txd
• Ect sens sig
• Electronics box
• Engine coolant temperature sensor (right rear of engine, on end of cylinder head)
• Front power distri- bution box
• Fuse f28 15a
• G103 (right rear of engine compartment, above electronics box)
• Hood/radio sig
• Hot in run or start
• Iat sens sig
• Idle co-pot
• Idle sig
• Ign time intrvn
• Nca
• O2 sens sig
• Oxygen sensor relay
• P/n switch
• Prog voltage
• Red
• Slip control module (abs/asc+t) (in electronics box)
• Speed a-sig
• Tcc
• Throttle position sensor (front of engine compartment)
• Transmission control module (behind right kick panel)
• Transmission valve unit (tcc solenoid valve) (pin #7)
• Transmission, ags
• Transmission, egs
• X6002
• X8500
• X8600