Page 127 of 367
S30
BRAKE LIGHT
SWITCH
E82
TRANSMISSION
POSITION
INDICATOR LIGHTA7000
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
8
F20320A
7
2460.14-03
16114
F4615AP90
FRONT POWER
DISTRIBUTION BOX
1845
F4615AP90
FRONT POWER
DISTRIBUTION BOX
16
Y8505y
TRANSMISSION
VALVE UNIT
8
2460.14-04
C
A
EGS:
Y19
SHIFT–LOCK 2460.14-02
12
A4S 360R
G6400
B+ JUNCTION
POINT E–BOX2460.14-00
2460.14-02
6910192023 25
A6000
ENGINE CONTROL
MODULE (DME) 2460.14-02
3237
F20430A
POWER
DISTRIBUTION
0670.2
E16
LEFT REAR LIGHT
ASSEMBLY
H27
LEFT BACK UP
LIGHT
9
K6325
REVERSING LIGHT
RELAY
2460.14-04 2460.14-04
41
F2610A
A
P98
FUSE HOLDER IN
E–BOX
C
BA
C = X70004
B = X70003
A = X70001
S N
340 38
S N
181117
L5
15
61920
58g
S224
GEAR STEP
TRANSMISSION
SWITCH 2460.14-03
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 2460.14-03
3CB36
24 392
2460.14-01
EARLY PRODUCTION
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
LATE PRODUCTION
2460.14 ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)
Page 129 of 367
Pin Assignments
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
12
Not used
13Not used
14Not used
15Not used
16EKL 54ONBrake pedal positionBrake light switch
17Not used
18ES_TIPMANSignal, manual transmissionTransmission position indicator light
19ES_TIPUPSignal, tip upGear step transmission switch
20ES_TIPDOSignal, tip downGear step transmission switch
21Not used
22Not used
23Not used
24Not used
25Not used
26Not used
27Not used
28Not used
29Not used
30Not used
31Not used
32Not used
33Not used
34Not used
35Not used
36Not used
37Not used
38Not used
39Not used
40Not used
41Not used
42Not used
43Not used
Page 134 of 367
SHIFT LOCK, DATA LINK, KICK–DOWN SWITCH
ELECTRONIC TRANSMISSION CONTROL (EGS: A5S 360R)
14 6 X70001
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
GROUND
DISTRIBUTION
0670.4
X1001832F46
15AP90
FRONT POWER
DISTRIBUTION BOX
X7000316 .5 BL/RT
BRAKE LIGHTS
6325.0X181
1.5 BL/RT
3 1 X13396
Y19
SHIFT–LOCKFUSE DETAILS
0670.3
X781
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
X782
1 2
32 .5 WS/VI
TXD2
GROUND
DISTRIBUTION
0670.4
X6454
2
6A6000
ENGINE CONTROL
MODULE (DME)
32
TXD2 TXD2
X600217 D100
DATA LINK
CONNECTOR
.5 SW/VI .5 BR/VI .5 WS/VI
3736
.5 BRX1676
CAN– CAN+
CAN+ CAN– X1893
.5 BR .5 GE
.5 GE
X60004
3736
.35 SW
X6000243
CAN– CAN+
CAN+ CAN– .35 GE
X70004
5
GROUND
DISTRIBUTION
0670.4
ENGINE CONTROL
SYSTEM MS43
(6–CYLINDER M54)
1210.26
X70003
A2w
INSTRUMENT
CLUSTER
X1894
Page 144 of 367
F215A
3450.1-01P90
FRONT POWER
DISTRIBUTION BOX
A52
SLIP CONTROL
MODULE
(ABS/ASC)
13 X1170
8 X1170
TXD 7
F275A
A2w
INSTRUMENT
CLUSTER
S30
BRAKE LIGHT
SWITCH F10
30AF4615A
3450.1-00
3450.1-00
12
B2
LEFT FRONT SPEED
SENSOR – ABS 3450.1-025 6
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0219 20
B1
RIGHT FRONT SPEED
SENSOR – ABS 3450.1-0223 22
B3
RIGHT REAR SPEED
SENSOR – ABS 3450.1-02211110
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-01A2w
INSTRUMENT
CLUSTER 3450.1-01
9
F215A
S6
ASC SWITCH 3450.1-01
14
LIGHT SWITCH
DETAILS
6300.0
1643450.1-00
58g
X1170
24
F3830A
25
3450.1 SLIP CONTROL (ABS/ASC)
Page 145 of 367
Pin Assignments
E = Input, A = Output, M = Ground
X1170
Pin Type Signal Description/Function Connection
1
MVL–Sensor groundABS speed sensor, left front
2EVL+Speed signalABS speed sensor, left front
3Not used
4E15A21Voltage supplyFuse 21
5MHL–Sensor groundABS speed sensor, left rear
6EHL+Speed signalABS speed sensor, left rear
7E/ATXDDiagnosis TXD signalData link connector
8M31LGroundGround point
9E30<10Voltage supplyFuse 10
10E/ACAN–CAN-bus LowService, CAN-bus Low
11E/ACAN+CAN-bus HighService, CAN-bus High
12Not used
13E54Brake signalBrake light switch
14EASCSASC-ON-signalASC switch
15Not used
16AWLASWarning lampInstrument cluster
17Not used
18Not used
19MVR–Sensor groundABS speed sensor, right front
20EVR+Speed signalABS speed sensor, right front
21ADFAHRRight rear speed signalEngine control module (DME)
22EHR+Speed signalABS speed sensor, right rear
23MHR–Sensor groundABS speed sensor, right rear
24M31LGroundGround point
25E30<38Voltage supplyFuse 38
Page 146 of 367
SLIP CONTROL (ABS/ASC)
32X10018
1 X78
.35 GR/SW/GEX181
1.5 BL/RT
216X1001814X1001720X10015
212 X78
9 X1170
23 X16
13
BRAKE LIGHTS
6325.0
41625
.75 BL/RT
A52
SLIP CONTROL
MODULE
(ABS/ASC) S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
A2w
INSTRUMENT
CLUSTERP90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
F4615AF215AF3830A F275AF1030A
X17
FUSE DETAILS
0670.3 FUSE DETAILS
0670.3FUSE DETAILS
0670.3
X170
GROUND
DISTRIBUTION
0670.4
24
8 X11707
DATA LINK
0670.5 .5 WS/VITXD
1 2
Page 149 of 367

F5130A3452.1-00
P900
AUXILIARY FUSE
BOX
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
40X1746
X1746
TXD 8
F5230AF5330A
S30
BRAKE LIGHT
SWITCH F46
15A
1
3452.1-00
29243620
Y16z
PRESSURE
TRANSMITTER 3452.1-01
1543
X1746
F215AP90
FRONT POWER
DISTRIBUTION BOX
F75A
A2w
INSTRUMENT
CLUSTER 3452.1-00
3452.1-01
3452.1-03
3450.2-04
3452.1-00
3452.1-02
3452.1-04
42
F275A
28193452.1-04
S31
PARK BRAKE
SWITCH
3452.1-02
3452.1-03
R33
STEERING ANGLE
SENSOR
D100
DATA LINK
CONNECTOR
3452.1-02
S6y
DSC SWITCH
LIGHT SWITCH
DETAILS
6300.058g
27121716
3452.1-03
A6000
ENGINE CONTROL
MODULE (DME)
32
21910
B74
TRANSVERSE
ACCELERATION
SENSOR 3452.1-04252238
B75
RPM RATE
SENSOR 3452.1-04261123
B76
PRESSURE
SENSOR 3452.1-0423
B2
LEFT FRONT
SPEED SENSOR –
ABS 3452.1-0533 34
B4
LEFT REAR SPEED
SENSOR – ABS 3452.1-0531 6
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3452.1-055
B3
RIGHT REAR
SPEED SENSOR –
ABS 3452.1-053014
M118
PRECHARGE PUMP 3452.1-01
41
3452.1-01
B18
BRAKE FLUID
LEVEL SWITCH
BRAKE
FLUID
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS
PARK
BRAKE
P90
FRONT POWER
DISTRIBUTION BOX
M VERSIONS
M VERSIONS
3452.1-03
A3984
OIL–/OUTSIDE
TEMPERATURE
GAUGE CONTROL
MODULE
3452.1 DYNAMIC STABILITY CONTROL (DSC III)
Page 150 of 367

Pin Assignments (Z3 Versions Early Prod. and M Versions)
E = Input, A = Output, M = Ground
X1746
Pin Type Signal Description/Function Connection
1
MGNDGroundGround point
2MFL0Sensor groundLeft front speed sensor (ABS)
3EFL1Speed signalLeft front speed sensor (ABS)
4Not used
5MRR0Sensor groundRight rear speed sensor (ABS)
6ERR1Speed signalRight rear speed sensor (ABS)
7Not used
8E/ADIAG_KDiagnosis TXD signalData link connector
9EA_LATTransverse acceleration sensor
signalTransverse acceleration sensor
10MGND_LATGroundTransverse acceleration sensor
11AP_DRIV1Voltage supplyPressure sensor
12E15A21Terminal 15Fuse 21
13Not used
14AVLP+Activate precharge pumpPrecharge pump
15E30A52Terminal 30Fuse 52
16E/ACAN_LCAN-bus LowSplice, CAN-bus Low
17E/ACAN_HCAN-bus HighSplice, CAN-bus High
18Not used
19AWLASWarning lampInstrument cluster
20ASENS_DRIPressure transmitter signalPressure transmitter
21ASENSP_LAVoltage supplyTransverse acceleration sensor
22ASENSP_YAVoltage supplyRPM rate sensor
23ESENS_DRIPressure sensor signalPressure sensor
24MGND_DRIVGroundPressure transmitter
25MGND_YAWGroundRPM rate sensor
26MGND_DRIVGroundPressure sensor
27ETCSDSC-ON-signalDSC switch
28EPBRSHandbrake signalHandbrake switch
29MGNDGroundGround point