1999 BMW Z3M COUPE engine


 
Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
5
EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6Not used
7AU_DKFW2Voltage supplyThrottle position sensor 2
8EP_KWGSignal crankshaft positionCrankshaft position sensor
9EA_FWG2Throttle position signalThrottle position sensor 2
10EA_DKG2Throttle position signalThrottle position sensor 2
11Not used
12ES_30HStart signalStarter
13ES_61-1Charging signalGenerator
14MM_DKFW1GroundThrottle position sensor 1
15MM_NWGA1GroundCamshaft position sensor 2 (outlet)
16EA_FWG1Throttle position signalThrottle position sensor 1
17MM_HFMGroundHot film air massmeter
18MM_NWGE1GroundCrankshaft position sensor 1 (inlet)
19EA_DKG1Throttle position signalThrottle position sensor 1
20MM_DKFW2GroundThrottle position sensor 2
21MM_KWGGroundCrankshaft position sensor
22EA_TANSTemperature signalIntake air temperature sensor
23MM_TANSGroundIntake air temperature sensor
24EA_TMOTTemperature signalEngine coolant temperature sensor
25MM_TMOTGroundEngine coolant temperature sensor
26EA_OLDPressure signalOil pressure switch
27EA_TOELTemperature signalOil temperature sensor
28MM_TOELGroundOil temperature sensor
29EA_KS1ACyl. 1-3 knock sensorKnock sensor
30EA_KS1BCyl. 1-3 knock sensorKnock sensor
31EA_KS2ACyl. 4-6 knock sensorKnock sensor
32EA_KS2BCyl. 4-6 knock sensorKnock sensor
33AP_EVZ1Activate valveCyl. 1 fuel injection valve
34AP_EVZ2Activate valveCyl. 2 fuel injection valve
35AP_EVZ3Activate valveCyl. 3 fuel injection valve
36AP_EVZ4Activate valveCyl. 4 fuel injection valve



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
X6300
POWER





 




2 6
1.5 RT
1.5 RT/WS
4 RT/WS
4 RT
X6300
237 X6000126 X8500
4
K6300
ENGINE CONTROL
MODULE RELAYG6400
B+ JUNCTION
POINT E–BOX
A6000
ENGINE CONTROL
MODULE (DME) 85 30
87
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1 RTX64101
21X641022
POWER
DISTRIBUTION
0670.2
F20230AF20430A5
X8680F20320A
P98
FUSE HOLDER IN
E–BOX
15
8
4 RT/WS
6
4 RT/WS/GE
X86804
89 X60001
1515
1 RT/WS/GE 1.5 RT/WS/GE 2.5 RT/WS/GE
X6960
FUSE DETAILS
0670.3
X60002
.5 BR/WS
Z3 VERSIONS

32





 



1 3 X6151
X61521
1 GN1 GN1 GN
3
3 X6152
2 1 9 8 7 X60005
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
A6000
ENGINE CONTROL
MODULE (DME) 1 GN 1 GN 1 GN
X6151
2
2
X6153
X61532 1
X61541 3 X61542T6154
CYL. 4 IGNITION
COIL
3 X6155
X61552 1
X61561 3 X6156
T6156
CYL. 6 IGNITION
COIL
T6153
CYL. 3 IGNITION
COILT6155
CYL. 5 IGNITION
COIL
313131313131
1 X6054
2.5 GN 2.5 GN
26 8X6326X63264
K6326
UNLOADER RELAY,
TERMINAL 15 

  
10FUSE DETAILS
0670.3
F20530A
X8680
1X60001
P98
FUSE HOLDER IN
E–BOX
.5 GNA6000
ENGINE CONTROL
MODULE (DME)
GROUND
DISTRIBUTION
0670.4
X6454
X6832


ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)Z3 VERSIONS
X6456
1 SW/RT 1 SW/GE 1 SW/BL 1 SW/GN 1 BR 1 BR
1 BR1 BR 1 BR
GROUND
DISTRIBUTION
0670.4
1.5 BR
R8554
RESISTOR
X6456
GROUND
DISTRIBUTION
0670.4
1.5 BR
R8554
RESISTOR
X6456
GROUND
DISTRIBUTION
0670.4
1.5 BR
R8554
RESISTOR240
2w240
2w
1 SW/WS240
2w
1 BR
1 SW/VI



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
2





 



A6000
ENGINE CONTROL
MODULE (DME)
Y6106
CYL. 6 FUEL
INJECTION VALVE
–+ Y6101
CYL. 1 FUEL
INJECTION VALVE
–+Y6102
CYL. 2 FUEL
INJECTION VALVE
–+
Y6103
CYL. 3 FUEL
INJECTION VALVE
–+
Y6104
CYL. 4 FUEL
INJECTION
VA LV E –+
Y6105
CYL. 5 FUEL
INJECTION VALVE
–+
3334353638 X60003
1 X61011 X61031
X6105
1 X61061 X61041 X6102
2 X61022 X61042 X6106
2
X61052 X6103X6101
.75 BR/WS .75 BR/RT .75 BR/GE .75 BR/BL .75 BR/GN .75 BR/VI
37
313131313131
4
FUSE DETAILS
0670.3
F20230A
X8680
P98
FUSE HOLDER IN
E–BOX
.5 RT/WS/GE .5 RT/WS/GE .5 RT/WS/GE .5 RT/WS/GE .5 RT/WS/GE .5 RT/WS/GE
Z3 VERSIONS

46
4
FUSE DETAILS
0670.3
F20230A
X8680
P98
FUSE HOLDER IN
E–BOX
47





 



32 X6130
X62752
.5 RT/WS/GE
1
40
41 42 52 49 X60003Y6130
IDLE SPEED
CONTROL VALVE
Y6275z
VARIABLE CAM-
SHAFT CONTROL
VALVE 1 (INLET)
A6000
ENGINE CONTROL
MODULE (DME) X6130X6276
2
X6120
2 1 X6120
Y6120
EVAPORATIVE
EMISSION VALVE2 X61631
X6167
12 X6167
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEM
Y6276
VARIABLE CAM-
SHAFT CONTROL
VALVE 2 (OUTLET)
.5 WS/GN
313131313131


ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)
1
.5 WS/GE.5 GN/BLX6275
1 .5 RT/WS/GE
.5 GN/VIX6276
.5 RT/WS/GE
.5 BR .5 RT/WS/GE .5 RT/WS/GE .5 RT/WS/GE
X6163
.5 BR/WS .5 BR/BLY6163
SECONDARY AIR
PUMP VALVE
Z3 VERSIONS

POWER
DISTRIBUTION
0670.2G7512
B+ JUNCTION
POINT


ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)




 



12 X6304
K6304
SECONDARY AIR
PUMP RELAY
X61331X6133
2
Y6133
AIR PUMP
X6455
GROUND
DISTRIBUTION
0670.4
X63045
GROUND
DISTRIBUTION
0670.4 .5 RT/WS
26
4 RT/GE
30
A6000
ENGINE CONTROL
MODULE (DME)
2
4
3 X60004
X183651
Y6139
LEAKAGE DIAGNO-
SIS PUMP
.5 WS
.75 BR/BL
3
34
3
.5 GE
.5 SW/GN
8
8
FUSE DETAILS
0670.3
F20430A
X8680
P98
FUSE HOLDER IN
E–BOX
31
12 X60002
.5 BR/GN
28 X6004
X783
24
2
.35 RT/GE
14X78
FUSE DETAILS
0670.3
F137.5A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3
F4615A
X65502
X65501Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
1.5 BL/RTX6139
X6139
.5 GE/BL
X181BRAKE LIGHTS
6325.06
X1001632X10018
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED
(TEST)
4) BRAKE PEDAL
RELEASED
(NORMAL) 21 34
.5 BL/RT.5 RT/WS
.35 BR/BL/GE.5 RT/WS
31
F10750A
X1982
Z3 VERSIONS



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)




 



1 X62072
117.5 SW
.5 GE
B6207
HOT FILM AIR
MASS METER
A6000
ENGINE CONTROL
MODULE (DME)
.5 GE
+–
3X6207
.5 RT/WS
45X60003
.5 GR/BR
6FUSE DETAILS
0670.3
F20320A
X8680
P98
FUSE HOLDER IN
E–BOX
21
.5 BR
8
12X6203
.5 RT/WS .5 RT/WS .5 RT/WS .5 RT/WS
3X6203
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
.5 GE
18.5 BR
5
32X6214
1X6214
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET)
.5 GE
15.5 BR
2
32X6224
1X6224
B6224
CAMSHAFT
POSITION SENSOR
2 (OUTLET)
1X6279
2X6279
B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING
Z3 VERSIONS



ENGINE CONTROL SYSTEM MS42.1 (6–CYLINDER M52)




 




X65001
GROUND
DISTRIBUTION
0670.4
4 X6500
2 6 8 X6301
10X6301
4
2.5 GN/VI .35 SW/VI
M2
FUEL PUMP
A6000
ENGINE CONTROL
MODULE (DME)
K6301w
FUEL PUMP RELAY 

 
X60002
X13032
7221624 19 18
234 1
X62102
X62102
B62102
OXYGEN SENSOR
I (BEHIND
CATALYTIC
CONVERTER)
3 24 1
X62202
X62202
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
16
X100166
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F137.5AF1815A
.5 RT/WS
.5 BR
1201421 13 15
234 1
X62101
X62101
B62101
OXYGEN SENSOR
I (IN FRONT OF
CATALYTIC
CONVERTER)
3 24 1
X62201
X62201
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER) .5 RT/WS
.5 SW .5 GE .5 SW.5 GE .5 BR
.5 BR
.5 RT/WS
X60004
X86808P98
FUSE HOLDER IN
E–BOX
FUSE DETAILS
0670.3
F20430A
Z3 VERSIONS