Page 78 of 367
CENTRAL BODY
ELECTRONICS
(ZKE IV)
6100.0
BLOCK DIAGRAM
0670.5 DATA LINK
TXD RXD
D100
DATA LINK
CONNECTOR
BOARD
COMPUTER
(BC – LOW)
6581.3
INSTRUMENT
CLUSTER
6211.0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS: A5S 360R)
2460.14
ENGINE CONTROL
SYSTEM MS43
(6–CYLINDER M54)
1210.26
SLIP CONTROL
(ABS/ASC)
3450.1
DRIVE–AWAY PROTEC-
TION (EWS III)
6135.1
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0
DYNAMIC STABILITY
CONTROL (DSC III)
3452.1
ENGINE CONTROL
SYSTEM MSS54
(6–CYLINDER S54 B32)
1210.27DYNAMIC STABILITY
CONTROL (DSC MK 60)
3452.2
STEERING ANGLE
SENSOR
3452.1STEERING ANGLE
SENSOR
3452.2
THERMAL OIL LEVEL
SENSOR (TOENS)
CONTROL MODULE
6211.0REMOTE CONTROL
ZV/DWA
6610.2
Page 79 of 367

X183032
DATA LINK
RXD AND TXD
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X183
.5 WS/VI
A2w
INSTRUMENT
CLUSTER X16
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X10182
X1805
TXD
TXD.5 WS/
VI .5 WS/VI
12
4
11
TXD
R33
STEERING ANGLE
SENSOR X1658TXD .35 WS/VI
6
A35y
BOARD COMPUTER
(BC – LOW) X10245
2
TXD X6002
20
.35 GE
15 X6002
.35 WS/
GE
D100
DATA LINK
CONNECTOR
17D100
DATA LINK
CONNECTOR
.5 WS/VI.35 WS/VI
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1170TXD 7
.35 WS/
VI.5 WS/VI
A6000
ENGINE CONTROL
MODULE (DME) X60004TXD2 32
X600026TXD2
A65
DYNAMIC
STABILITY
CONTROL UNIT
(DSC) X1746TXD .35 WS/
VI
8
A104
BODY ELECTRONICS
CONTROL MODULE
(ZKE IV)
X101829RXD
A35y
BOARD COMPUTER
(BC – LOW)
X102453RXD
.35 WS/
GE
X182
.5 WS/
GE
A7000
TRANSMISSION
CONTROL MODULE
(EGS) X70004TXD2 32
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS)
CONTROL
MODULE X19007TXD 10
.35 WS/
VI
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
.5 WS/VI
X74
9
TXD
WITH DSC
WITH DSC
Z3 VERSIONSZ3 VERSIONS
Z3 VERSIONS
LATE PRODUCTION
A194y
REMOTE
CONTROL
MODULE
X131398RXD
.5 WS/
GE
.5 WS/
VI
X131394
TXDA194y
REMOTE
CONTROL
MODULE Z3 VERSIONS
LATE PRODUCTION
Z3 VERSIONS
LATE PRODUCTION
Page 80 of 367
DATA LINK
DATA LINK CONNECTOR, PINS 1, 7, 14, AND 16
X1047
A6000
ENGINE CONTROL
MODULE (DME) X60004
.5 SW
.5 SW .35 SW
TD 17
5 X1805
.35 SWA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
12 X10017
7
16 X6002
D100
DATA LINK
CONNECTOR
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
15 X17
.35 WS/GN
14 2.5 RT
G1
BATTERY
POWER
DISTRIBUTION
0670.2
X64109
P90
FRONT POWER
DISTRIBUTION BOXF2610A
POWER
DISTRIBUTION
0670.2
1
12 X19007
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE Z3 VERSIONS
Page 83 of 367

23 33
B62400
DOUBLE KNOCK
SENSOR 1210.26-08
3132293048
Y6101
CYL. 1 FUEL
INJECTION
VA LV E
Y6102
CYL. 2 FUEL
INJECTION
VA LV E
Y6103
CYL. 3 FUEL
INJECTION
VA LV E 1210.26-02
35
+
–
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.26-02
361210.26-03413840 3742
+
–
46 47Y6130
IDLE SPEED
CONTROL
VA LV E 1210.26-0334 3352
1210.26-02
32
D
+
– F205
30A
1723 AB
F1815A
M2
FUEL PUMPK6301w
FUEL PUMP RELAY
1210.26-061210.26-06
1210.26-04
F135A
M119
LEAKAGE
DIAGNOSIS
PUMP
301210.26-04310174520
S30
BRAKE LIGHT
SWITCH 1210.26-04
28241918129
43441910
Y6390
ELECTRIC
THROTTLE
ACTUATOR2223
1210.26-07
2425
1210.26-07
2728
1210.26-07
2236
1210.26-09
37
1210.26-08
1210.26-09
1727356
1210.26-08
4565
A6000
ENGINE CONTRO
MODULE (DME)
1210.26-09
436
P98
FUSE HOLDER IN
E–BOX1210.26-00
K6327
INJECTION VALVES
RELAY
A7000
TRANSMISSION
CONTROL MODULE
(EGS)G6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
1210.26-05
B6207
HOT FILM AIR
MASS METERB6203
CRANKSHAFT
POSITION/RPM
SENSOR
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET)
B6224
CAMSHAFT
POSITION SENSOR
2 (OUTLET)B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING
1210.26-051210.26-05P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
K19
COMPRESSOR
CONTROL
RELAY 1210.26-08K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
1210.26-07
B6205
INTAKE AIR
TEMPERATURE
SENSORB6236
ENGINE COOLANT
TEMPERATURE
SENSORB6238
OIL TEMPERATURE
SENSOR
A52
SLIP CONTROL MODULE
(ABS/ASC)
A65
DYNAMIC STABILITY
CONTROL UNIT (DSC)S32
CLUTCH SWITCH
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULEA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)A7000
TRANSMISSION
CONTROL MODULE
(EGS)
A9008
CRUISE CONTROL
INTERFACE A
49
5
2 8
18
15 21
C7 131
16 15 14
24 22 21 20
TXD
720CDBEA
A = 60001
B = 60002C = 60003
D = 60004
E = 60005
B62101
OXYGEN SENSOR I
(IN FRONT OF
CATALYTIC
CONVERTER)
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND
CATALYTIC
CONVERTER)
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER)
F10880AF10750A
F20130AF20320AF20430A
P90
FRONT POWER
DISTRIBUTION
BOX1210.26-04
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEM
Y6163
SECONDARY AIR
PUMP VALVE
Y6120
EVAPORATIVE
EMISSION VALVE
Y6276
VARIABLE CAMSHAFT
CONTROL VALVE 2
(OUTLET)
Y6275z
VARIABLE CAMSHAFT
CONTROL VALVE 1
(INLET)
1210.26-09 1210.26-02
1210.26-001210.26-00
D100
DATA LINK
CONNECTOR
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL 1210.26-01
1210.26-01
718 9E2
3C8A
F20230A
D
F2610A
26
D
F4615A
C781412
R10
PEDAL POSITION
SENSOR
1210.26-09 13
9D
1210.26-06
B
30 15 R 15
Z3 VERSIONS
1210.26 ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)
Page 86 of 367

Pin Assignments (Z3 Versions)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
5
EP_NWGE1Signal camshaft positionCamshaft position sensor 1 (inlet)
6Not used
7AU_DKGVoltage supplyElectrical gas actuator
8EP_KWGSignal crankshaft positionCrankshaft position sensor
9Not used
10EA_DKG2Throttle position signal 2Electrical gas actuator
11Not used
12Not used
13Not used
14Not used
15MM_NWGA1GroundCamshaft position sensor 2 (outlet)
16Not used
17MM_HFMGroundHot film air massmeter
18MM_NWGE1GroundCrankshaft position sensor 1 (inlet)
19EA_DKG1Throttle position signal 1Electrical gas actuator
20MM_DKGGroundElectrical gas actuator
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
26Not used
27EA_TOELTemperature signalOil temperature sensor
28MM_TOELGroundOil temperature sensor
29EA_KS1ACyl. 1-3 knock sensorDouble knock sensor
30EA_KS1BCyl. 1-3 knock sensorDouble knock sensor
31EA_KS2ACyl. 4-6 knock sensorDouble knock sensor
32EA_KS2BCyl. 4-6 knock sensorDouble knock 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
Page 91 of 367
1 RT/WS
1.5 SW/RT1.5 SW/WS1.5 SW/GE1.5 SW/BL1.5 SW/GN1.5 SW/VI
X6456
32
1 3 X6151
X61521
1 RT/WS1 RT/WS
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 RT/WS 1 RT/WS
X6151
2
2
X6153
X61532 1X61541 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
1 BR1 BR
1 BR1 BR 1 BR
1 BR
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
313131313131
1 X6054
2.5 RT/WS 2.5 RT/WS/GE
240
2W
X6456X6456
R8554
RESISTOR240
2W240
2WR8554
RESISTORR8554
RESISTOR
X6969
1 RT/WS
Page 97 of 367
20
10
23 25 28 X60003
A6000
ENGINE CONTROL
MODULE (DME) X6205
21 X6205
B6205
INTAKE AIR
TEMPERATURE
SENSOR1 X6236
2 X623821 X6238
B6238
OIL TEMPERATURE
SENSOR
.5 BR/GR
ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)
.5 BR/BL.5 GR/BR.5 GR .5 BR/RT .5 RT/BL
X6236
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
A6000
ENGINE CONTROL
MODULE (DME)
7
.5 BR/WS
19
.5 BR/VI
X63901246
53
.75 BR/SW .75 GR/WS27 44 4322 24
Y6390
ELECTRIC
THROTTLE
ACTUATOR
X60003
.5 GR/BR .5 GR/BR
X6390
Z3 VERSIONS
Page 99 of 367

X1830381511LATE PRODUCTION
A65
DYNAMIC STABILITY
CONTROL UNIT (DSC)
X1746321617 A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
D100
DATA LINK
CONNECTOR
ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)
A6000
ENGINE CONTROL
MODULE (DME)
3 X600024655
GROUND
DISTRIBUTION
0670.4
4 X60001
X6454
GROUND
DISTRIBUTION
0670.4
.35 SW
6 X60005
GROUND
DISTRIBUTION
0670.4
X6456
.35 GE
3131313131
X700043736
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
6
.5 WS/VI
32
TXD2 CAN+ CAN–
14 X6000412
.35 GE/GN .35 BR
X7368
R10
PEDAL POSITION
SENSOR
9
2
8
.35 WS
5
7
4
.35 GE .35 BR/GN
22 X60004
.35 WS/GN .5 BR
X11702110
A52
SLIP CONTROL
MODULE (ABS/ASC)
CAN+ CAN–
.5 GE
11
3736
.5 BR .5 GE
X165843
R33
STEERING ANGLE
SENSOR
CAN–
32
CAN+
.5 GE .5 BR
X1667
A2w
INSTRUMENT
CLUSTER
CAN–CAN+
33
.5 SW/VI
X1805145
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
17 .5 SW
X1900712
1
D100
DATA LINK
CONNECTOR
X6002.35 SW
X600217
.5 WS/VI
TXD2 CAN+ CAN– TXD2 CAN+ CAN–
X1047
.35 SW
.5 SWX1893
.5 BR .5 GE
EARLY PRODUCTION
13
.35 WS/GN
1
WITH DSC
X1894
TD
Z3 VERSIONS