1998 BMW Z3M ROADSTER brake sensor








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Pin Assignments
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E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
51
AABS relayABS relay
52AActivate left front inlet valveABS hydraulic unit
53Not used
54Not used
55MGroundGround point
56Not used
57ARxD diagnostic data linkData link connector
58ETerminal 15Fuse 21
59EVoltage supplyABS pump motor relay
60:;
61Not used
62Not used
63AGround, left rear speed sensorLeft rear speed sensor
64AGround, right rear speed sensorRight rear speed sensor
65ESignal, right front speed sensorRight front speed sensor
66AGround, left front speed sensorLeft front speed sensor
67MGroundGround point
68Not used
69ETerminal 15Fuse 21
70Not used
71Not used
72AActivate right front inlet valveABS hydraulic unit
73AActivate pump relayABS pump motor realy
74AActivate rear axle inlet valveABS hydraulic unit
75AActivate left front outlet valveABS hydraulic unit
76MGroundGround point
77EPower protectionABS hydraulic unit
78E/ATxD diagnostic data linkData link connector
79ETerminal 54Brake light switch
80Not used

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F215A
3450.1-01
3450.1-03
3450.1-00
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K75
ABS PUMP MOTOR
RELAY
A52
SLIP CONTROL
MODULE
(ABS/ASC)
17 X1170
41 X1652
TXD 36


F1030AF275A
A2w
INSTRUMENT
CLUSTER
425283129
S30
BRAKE LIGHT
SWITCH F38
30AF4615A
3
3450.1-00
3450.1-00
32 11
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-0234 13
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0233 12
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0235 14
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-023776
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-03A8500
TRANSMISSION
CONTROL MODULE
(EGS) 3450.1-03
272226252423214
F215A
S6
ASC SWITCH 3450.1-03
39
LIGHT SWITCH
DETAILS
6300.0
4043450.1-00
58g
X1175
4–CYLINDER
15
2
X1170X1652X1652X1170
8930
3450.1-03R31
AUXILIARY
THROTTLE
POSITION SENSOR
31
3450.1-03M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS)
19X1652X1170X1170
3450.1 SLIP CONTROL (ABS/ASC)

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35
F215A
3450.1-05
3450.1-06
3450.1-04 K10
ABS RELAY
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K75
ABS PUMP MOTOR
RELAY
A52
SLIP CONTROL
MODULE
(ABS/ASC)
32 X1171
RXD
TXD 8
7


F1030AF275A
A2w
INSTRUMENT
CLUSTER
2165049524436
S30
BRAKE LIGHT
SWITCH F38
30AF4615A
1
3450.1-04
3450.1-04 3450.1-04
21
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 3450.1-062023 42
R31
AUXILIARY
THROTTLE
POSITION SENSOR 3450.1-08 43
30 48
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-0746 29
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0747 11
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0745 10
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-07525426
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-08
6
39551718372254403451
F1030AF215A
S6
ASC SWITCH 3450.1-06
27
LIGHT SWITCH
DETAILS
6300.0
33
V7
ASC DIODE 3450.1-04
13
3450.1-04
58g
X1171
6–CYLINDER – Z3 ROADSTER
4115
3450.1-06
19 X11713
A8500
TRANSMISSION
CONTROL MODULE
(EGS) 3450.1-08
SLIP CONTROL (ABS/ASC)

3450.1-09
3450.1-10
3450.1-12
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3
3450.1-11
3450.1-10
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K94
ENGINE CONTROL
RELAY (ABS/ASC)
A52
SLIP CONTROL
MODULE
(ABS/ASC)
48 X1175
TXD 46
2619302
S30
BRAKE LIGHT
SWITCH F49
50AF4615A
55
3450.1-12
53
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 3450.1-092339 43
R31
AUXILIARY
THROTTLE
POSITION SENSOR 3450.1-09 67
10 36
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-1312 13
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-1314 15
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-1311 38
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-1388778118
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-12
76
3354275225634493151
F1030AF135A
S6
ASC SWITCH 3450.1-12
44
LIGHT SWITCH
DETAILS
6300.058g
X1175
203529 X117528
S31
PARK BRAKE
SWITCH 3450.1-09
P95
AUXILIARY FUSE
BOX
F3830A
P90
FRONT POWER
DISTRIBUTION BOX
3450.1-09
A2w
INSTRUMENT
CLUSTER
M ROADSTER
37


7124
G6509
GENERATOR
F275A
K95
VALVE RELAY
(ABS/ASC) 3450.1-10
1230.0 D +
83
NOT USED
SLIP CONTROL (ABS/ASC)


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Pin Assignments (4-Cylinder)
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E = Input, A = Output, M = Ground
X1170
Pin Type Description/Function Connection
93
ALeft front inlet valveABS hydraulic unit
94ALeft front outlet valveABS hydraulic unit
95MGroundGround point
96EVoltage supplyFuse 21
97Not used
98E/ACan-LowDME/EGS module
99E/ACan-HighDME/EGS module
100EThrottle position signal 1Auxiliary throttle position sensor
101EThrottle position signal 3Auxiliary throttle position sensor
102Not used
103ASensor groundLeft front speed sensor (ABS)
104ASensor groundRight front speed sensor (ABS)
105ASensor groundLeft rear speed sensor (ABS)
106ASensor groundRight rear speed sensor (ABS)
107ESignal, pump motorABS pump motor relay
108Not used
109EBrake pedal positionBrake light switch
11 0Not used
111MGroundGround point
11 2Not used
11 3Not used
11 4ARight rear outlet valveABS hydraulic unit
11 5ARight front inlet valveABS hydraulic unit
11 6ARight front outlet valveABS hydraulic unit
11 7ALeft rear outlet valveABS hydraulic unit
11 8ALeft rear inlet valveABS hydraulic unit
11 9ARight rear inlet valveABS hydraulic unit
120AActivate relayABS pump motor relay
121ASeparator valveABS hydraulic unit
122EThrottle position signal 2Auxiliary throttle position sensor


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Pin Assignments (6-Cylinder)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
Not used
32EBrake signalBrake light switch
33EPlus supplyABS protection relay
34AABS lamp controlInstrument cluster
35EIgnition signalFuse 21
36ASolenoid valveABS hydraulic unit
37ARight front solenoid valve signalABS hydraulic unit
38Not used
39ARight rear solenoid valve signalABS hydraulic unit
40ALeft front solenoid valve signalABS hydraulic unit
41ESpeed signalDME module
42EASC throttle flap potentiometer (+)ASC throttle flap potentiometer
43EASC throttle flap signalASC throttle flap potentiometer
44AASC lamp controlInstrument cluster
45ERight rear speed sensor signalRight rear speed sensor
46ELeft rear speed sensor signalLeft rear speed sensor
47ERight front speed sensor signalRight front speed sensor
48ELeft front speed sensor signalLeft front speed sensor
49EPump motor sensor signalABS hydraulic unit
50EShield pump motor sensorABS hydraulic unit
51EPlus supplyFront power distribution box, fuse 10
52AABS pump motor relayABS pump motor relay
53Not used
54ALeft front solenoid valve signalABS hydraulic unit
55ALeft rear solenoid valve signalABS hydraulic unit


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Pin Assignments (M Roadster)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
86
AASC lamp controlInstrument cluster
87Not used
88ALeft front outlet valveABS hydraulic unit
89ARight rear outlet valveABS hydraulic unit
90ARight rear speed signalEngine control module (DME)
91ESpeed signalLeft front speed sensor (ABS)
92AActivate relayValve relay
93MSensor groundRight rear speed sensor (ABS)
94AThrottle position sensor (–)Auxiliary throttle position sensor
95Not used
96Not used
97Not used
98AThrottle position sensor (+)Auxiliary throttle position sensor
99EASC-ON-signalASC switch
100Not used
101E/ATXD signalDiagnostic link
102Not used
103EBrake signalBrake light switch
104AChangeover valve (ASC)ABS hydraulic unit
105Not used
106EVoltage supplyFuse 10
107ALeft rear inlet valveABS hydraulic unit
108AADS step motor (–)ADS step motor
109ARight front inlet valveABS hydraulic unit
11 0MGroundGround point
111Not used
11 2Not used
11 3Not used
11 4Not used
11 5Not used
11 6Not used
11 7Not used


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Pin Assignments (M Roadster)
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E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 8
Not used
11 9Not used
120Not used
121Not used
122EASC throttle flap signalAuxiliary throttle position sensor
123Not used
124Not used
125Not used
126Not used
127Not used
128Not used
129Not used
130Not used
131ESignal park brake setPark brake switch
132EEngine signal 3Engine control module (DME)
133Not used
134Not used
135Not used
136EEngine signal 2Engine control module (DME)
137Not used
138ETransmission control signalNot used
139Not used
140Not used
141Not used
142Not used
143EThrottle flap positionEngine control module (DME)