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Last updated February 1, 2019
Below is a BMW General Module 4 (aka ZKE4 and GM4)
I have gone through the wiring diagrams and compiled this list of connections to the module. Since this module is used in the 3-series sedan, coupe, convertible and wagon as well as the Z3 there are some differences between the cars which are not listed, but, this list is generally correct. For the most accurate information go to the BMW WDS and look up your specific car.
|
Pin
|
Function on Connector X13252 |
Wire Size/Color
|
|
1
|
Door Locks - Power Lock Signal |
BLK
|
|
2
|
Door Locks - Motor |
BLU/GRY
|
|
3
|
Door Locks |
BRN/YEL
|
|
4
|
Interior Lights |
RED/BLK
|
|
5
|
n/c |
-
|
|
6
|
Power Windows - Driver |
VIO/WHT
|
|
7
|
Power Windows - Passenger |
BLU/GRN
|
|
8
|
Fuse 14, 30 Amps |
RED/BLU
|
|
9
|
Door Locks - Lock Signal |
WHT
|
|
10
|
Fuse 35, 25 Amps |
RED/GRN/YEL
|
|
11
|
n/c |
-
|
|
12
|
Fuse 33, 10 Amps |
RED/WHT
|
|
13
|
Power Windows - Driver |
BLK/WHT
|
|
14
|
Power Windows - Passenger |
YEL/GRN
|
|
15
|
Ground |
BRN
|
|
Pin
|
Function on Connector X13253 |
Wire Size/Color
|
|
1
|
Door Locks |
WHT/GRN
|
|
2
|
Door Locks |
WHT/BRN/YEL
|
|
3
|
Door Locks - Lk Sig Trunk Lid |
WHT/GRN/YEL
|
|
4
|
Anti-Theft |
BLU/RED/YEL
|
|
5
|
n/c |
-
|
|
6
|
n/c |
-
|
|
7
|
Supplemental Restraints - Crash Signal |
BRN/BLK
|
|
8
|
Power Windows - Driver Rev Signal |
BLK/GRY
|
|
9
|
Power Windows - Passenger Rev Signal |
YEL/GRY
|
|
10
|
n/c |
-
|
|
11
|
n/c |
-
|
|
12
|
n/c |
-
|
|
13
|
Door Locks |
WHT/RED
|
|
14
|
Door Locks |
WHT/BLK
|
|
15
|
Door Locks |
WHT/GRY
|
|
16
|
Door Locks |
WHT/BLU
|
|
17
|
Anti-Theft |
WHT/RED/YEL
|
|
18
|
n/c |
-
|
|
19
|
Door Locks |
RED/GRN/YEL
|
|
20
|
Power Windows |
GRN/RED
|
|
21
|
n/c |
-
|
|
22
|
n/c |
-
|
|
23
|
Power Windows - Driver Rev Supply |
BLK
|
|
24
|
Power Windows - Passenger Rev Supply |
YEL/BLK
|
|
25
|
n/c |
-
|
|
26
|
Exterior Lights |
VIO/BLK
|
|
Pin
|
Function on Connector X13254 |
Wire Size/Color
|
|
1
|
|
|
|
2
|
Anti-Theft - Driver Door Ajar |
BRN/GRY/YEL
|
|
3
|
Anti-Theft - Passenger Door Ajar |
BRN/BLU/YEL
|
|
4
|
Trunk Lid |
GRN/WHT/YEL
|
|
5
|
n/c |
-
|
|
6
|
Power Windows - Driver Switch Open |
VIO/WHT
|
|
7
|
Power Windows - Driver Switch Close |
BLK/WHT
|
|
8
|
Power Windows - Passenger Switch Open |
WHT/GRN
|
|
9
|
Power Windows - Passenger Switch Close |
BLU/GRN
|
|
10
|
Power Windows - Child Protect Switch |
BRN/BLU
|
|
11
|
n/c |
-
|
|
12
|
n/c |
-
|
|
13
|
n/c |
-
|
|
14
|
Exterior Lights |
BRN/WHT
|
|
15
|
Power Windows |
BLU/YEL
|
|
16
|
Power Windows |
BLK/RED
|
|
17
|
Power Windows |
BLK/RED
|
|
18
|
Power Tops |
BLK/RED
|
|
19
|
Power Tops |
BLK/GRN
|
|
20
|
n/c |
-
|
|
21
|
n/c |
-
|
|
22
|
n/c |
-
|
|
23
|
n/c |
-
|
|
24
|
n/c |
-
|
|
25
|
n/c |
-
|
|
26
|
n/c |
-
|
|
Pin
|
Function on Connector X13255 |
Wire Size/Color
|
|
1
|
Power Windows |
BLK/RED
|
|
2
|
Power Windows |
BLK/YEL
|
|
3
|
Power Windows |
BLK/RED
|
|
4
|
Power Windows |
WHT/GRN
|
|
5
|
Power Windows |
WHT/YEL
|
|
6
|
n/c |
-
|
|
7
|
Power Windows |
BLK/GRY
|
|
8
|
Power Windows |
BLU/GRN
|
|
9
|
Power Windows |
BLU/YEL
|
|
10
|
Power Windows |
WHT/YEL
|
|
11
|
Power Windows |
WHT/GRN
|
|
12
|
n/c |
-
|
|
Pin
|
Function on Connector X10182 |
Wire Size/Color
|
|
1
|
Exterior Lights |
BRN/BLK/YEL
|
|
2
|
Exterior Lights |
GRY/BLK
|
|
3
|
Ign Switch (Run&Start) |
GRN
|
|
4
|
Fuse 43, 5 Amps |
VIO/WHT
|
|
5
|
Ground |
BRN/ORG
|
|
6
|
n/c |
-
|
|
7
|
n/c |
-
|
|
8
|
n/c |
-
|
|
9
|
Computer Data Lines - Diag |
WHT/YEL
|
|
10
|
Exterior Lights |
BLU/GRN/YEL
|
|
11
|
Computer Data Lines - Diag |
WHT/VIO
|
|
12
|
Starting/Charging |
BLK/GRN
|
|
13
|
n/c |
-
|
|
14
|
n/c |
-
|
|
15
|
Anti-Theft - Drive Away Protect |
BLK/GRN
|
|
16
|
On-Board Computer |
BLK/VIO
|
|
17
|
Anti-Theft |
VIO/GRN/YEL
|
|
18
|
Fuse 7, 5 Amps |
RED
|
Fuse 14 - 30 Amps - Power Windows
Fuse 33 - 10 Amps -
Fuse 35 - 25 Amps - Power Locks
Fuse 43 - 5 Amps -