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 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
Page 151 of 367
Pin Assignments (Z3 Versions Early Prod. and M Versions)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
30
E FR1Speed signalRight front speed sensor (ABS)
31MFR0GroundRight front speed sensor (ABS)
32ADFAHRWheel speed signal, right rearEngine control module (DME)
33ERL1Speed signalLeft rear speed sensor (ABS)
34MRL0GroundLeft rear speed sensor (ABS)
35Not used
36AP_DRIV2Voltage supplyPressure transmitter
37Not used
38EYAW_SIGRPM rate signalRPM rate sensor
39Not used
40EBLSBrake signalBrake light switch
41EBRFNBrake fluid level signalBrake fluid level switch
42E30A53Terminal 30Fuse 53
43E30A51Terminal 30Fuse 51
Page 156 of 367
DYNAMIC STABILITY CONTROL (DSC III)
.5 BL/BR/GE
13X1747
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT SET28
A65
DYNAMIC STABILITY
CONTROL UNIT
(DSC)
X1746
2311
B76
PRESSURE
SENSOR
2
X1682
.5 BL/SW .5 SW/VI .5 BL/BR/GE26
1
.5 WS/BL
1X1653
3822
B75
RPM RATE
SENSOR 3
.5 SW/
RT/GE .5 GR/
SW/GE 25
2
.5 BR/SW/GE
2X1655
109
B74
TRANSVERSE
ACCELERATION
SENSOR 1
.5 BR/
SW/WS .5 BL/
WS/GE 21
3
.5 SW/RT/WS
12X423
.5 BL/BR/GE17
X16
23 X16
14X10017
F275A
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION
BOX
A2w
INSTRUMENT
CLUSTER
PARK
BRAKE
Z3 VERSIONS EARLY PRODUCTION AND M VERSIONS
Page 158 of 367
F5130A
A65
DYNAMIC STABIL-
ITY CONTROL UNIT
(DSC)
38X18303
X18303
TXD 2
F5230A
S30
BRAKE LIGHT
SWITCH F46
15A
47
3452.2-00
16212223
Y16z
PRESSURE
TRANSMITTER 3452.2-01
32
X18308
F215AP90
FRONT POWER
DISTRIBUTION BOX
F75A
A2w
INSTRUMENT
CLUSTER 3452.2-00
3452.2-01
3452.2-03
3450.2-04
3452.2-00
3452.2-02
1
F275A
27443452.2-04
S31
PARK BRAKE
SWITCH
3452.2-02
3452.2-03
R33
STEERING ANGLE
SENSOR
D100
DATA LINK
CONNECTOR
3452.2-02
S6y
DSC SWITCH
LIGHT SWITCH
DETAILS
6300.058g
3941511
3452.2-03
A6000
ENGINE CONTROL
MODULE (DME)
8
6
B74
TRANSVERSE
ACCELERA-
TION SENSOR 3452.2-04
242640
B75
RPM RATE
SENSOR 3452.2-04192018
B76
PRESSURE
SENSOR 3452.2-0445 46
B2
LEFT FRONT
SPEED SENSOR
– ABS 3452.2-0537 36
B4
LEFT REAR SPEED
SENSOR – ABS 3452.2-0534 42
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3452.2-0543
B3
RIGHT REAR
SPEED SENSOR –
ABS 3452.2-0533
9
3452.2-01
B18
BRAKE FLUID
LEVEL SWITCH
BRAKE
FLUID
Z3 VERSIONS LATE PRODUCTION
PARK
BRAKE
3452.2 DYNAMIC STABILITY CONTROL (DSC MK 60)
Page 159 of 367

Pin Assignments (Z3 Versions Late Production)
E = Input, A = Output, M = Ground
X18303
Pin Type Signal Description/Function Connection
1
E30A52Terminal 30Fuse 52
2E/ADIAG_KDiagnosis TXD signalData link connector
3Not used
4E15A21Terminal 15Fuse 21
5Not used
6EA_LATTransverse acceleration sensor
signalTransverse acceleration sensor
7Not used
8ADFAHRWheel speed signal, right rearEngine control module (DME)
9EBRFNBrake fluid level signalBrake fluid level switch
10Not used
11E/ACAN_HCAN-bus HighSplice, CAN-bus High
12Not used
13Not used
14Not used
15E/ACAN_LCAN-bus LowSplice, CAN-bus Low
16MGNDGroundGround point
17Not used
18ESENS_DRIV1Pressure sensor signalPressure sensor
19MGND_DRIV1GroundPressure sensor
20AP_DRIV1Voltage supplyPressure sensor
21MGND_DRIV2GroundPressure transmitter
22ESENS_DRIV2Pressure transmitter signalPressure transmitter
23AP_DRIV2Voltage supplyPressure transmitter
24MGND_YAWGroundTransverse acceleration sensor,
RPM rate sensor
25Not used
26ASENSP_YAWVoltage supplyTransverse acceleration sensor,
RPM rate sensor
27EHANDBHandbrake signalHandbrake switch
28Not used
Page 160 of 367
Pin Assignments (Z3 Versions Late Production)
E = Input, A = Output, M = GroundPin ConnectionDescription/Function Signal Type
29
Not used
30 Not used
31Not used
32E30A51Terminal 30Fuse 51
33EFR1Speed signalRight front speed sensor (ABS)
34MFR0Sensor groundRight front speed sensor (ABS)
35Not used
36MRL0Sensor groundLeft rear speed sensor (ABS)
37ERL1Speed signalLeft rear speed sensor (ABS)
38EBLSBrake signalBrake light switch
39ETCSDSC-ON-signalDSC switch
40EYAW_SIGRPM rate signalRPM rate sensor
41Not used
42ERR1Speed signalRight rear speed sensor (ABS)
43MRR0Sensor groundRight rear speed sensor (ABS)
44AWLASWarning lampInstrument cluster
45MFL0Sensor groundFront left speed sensor (ABS)
46EFL1Speed signalFront left speed sensor (ABS)
47MGNDGroundGround point