3450.1aĆb
1998
Pin Assignments (323i, 328i, M3)
04/99
BM
BMW
BMW
BMW
E = Input, A = Output, M = Ground
Pin
Connection
Description/Function
Type
31
E
Pedal travel sensor
Pedal travel sensor
32
E
Brake signal
Brake light switch
33
E
Plus supply
ABS relay
34
A
ABS lamp control
Instrument cluster
35
E
Ignition signal
Fuse 21
36
A
Separator valve
ABS hydraulic unit
37
A
Solenoid valve signal right front outlet
ABS hydraulic unit
38
Not used
39
A
Right rear inlet valve
ABS hydraulic unit
40
A
Solenoid valve signal left front inlet
ABS hydraulic unit
41
E
Speed signal
DME module
42
E
ASC throttle flap potentiometer (+)
ASC throttle flap potentiometer
43
E
ASC throttle flap signal
ASC throttle flap potentiometer
44
A
ASC lamp control
Instrument cluster
45
E
Right rear speed sensor signal
Right rear speed sensor
46
E
Left rear speed sensor signal
Left rear speed sensor
47
E
Right front speed sensor signal
Right front speed sensor
48
E
Left front speed sensor signal
Left front speed sensor
49
E
Pump motor sensor signal
ABS hydraulic unit
50
E
Shield pump motor sensor
ABS hydraulic unit
51
E
Plus supply
Front power distribution box
52
A
ABS pump motor relay
ABS pump motor relay
53
Not used
54
A
Solenoid valve signal left front outlet
ABS hydraulic unit
55
A
Right rear outlet valve
ABS hydraulic unit
