3450.1aĆa
1999
Pin Assignments
03/00
BM
BMW
BMW
BMW
Z3
E = Input, A = Output, M = Ground
X1175
Pin
Type
Description/Function
Connection
51
E
Voltage supply
Fuse 13
52
A
Left front inlet valve
ABS hydraulic unit
53
A
Voltage supply
Valve – Engine control relay
54
Not used
55
Not used
56
A
Right rear inlet valve
ABS hydraulic unit
57
A
Activate relay
Engine control relay
58
Not used
59
Not used
60
M
Sensor ground
ABS speed sensor front left
61
E
Speed signal
ABS speed sensor rear right
62
M
Sensor ground
ABS speed sensor rear left
63
E
Speed signal
ABS speed sensor rear left
64
M
Sensor ground
ABS speed sensor front right
65
E
Speed signal
ABS speed sensor front right
66
Not used
67
Not used
68
E
Engine signal 1
Engine control module (DME)
69
E
Relay activation feedback
Engine control relay
70
E
Speed signal
Engine control module (DME)
71
Not used
72
Not used
73
A
ADS step motor (+)
ADS step motor
74
E
Charge indicator
Generator
75
A
Left rear outlet valve
ABS hydraulic unit
76
A
Shut-off valve (ASC)
ABS hydraulic unit
77
A
Right front outlet valve
ABS hydraulic unit
78
M
Ground
Ground point
79
M
Ground
Ground point
80
A
ABS lamp control
Instrument cluster
