What coils to use?
Any Bremi style ignition coil from a 2.8L M52B28 BMW [12131748018] or updated [12137599219]
- 1995-2000 E36 328i
- 1995-1999 E39 528i
- 1995-1999 E38 728i/728iL
- 1997-1999 E36/7 Z3 2.8
What Harness to use?
Any cable harness off of an M52 [12511744589]:
- 1995-2000 E36
- 1995-1999 E39
- 1995-1999 E38
- 1997-1999 E36/7 Z3 2.5/2.8/3.0/ 3.2
This is needed for the 6 connectors that attach to the coils. 4 are needed.
How to connect the harness?
These are the part numbers for the connector and pins that connect into the factory coil pack harness.
The full Harness can be found on an 87-90 BMW E30, E34.
Known as the Plug-board injection valve. [12511719606]
Only the connector with the 6 pins is needed from the injector valve, or you can order the connector and build it yourself.
Connector [12521718125]
Pins [x6] [61131376191]
Where to get a mounting plate?
You can order an already made Mounting Plate here.
or
You can make your own using flat bar aluminum from here. [2.5" x 3/16" x 24"]
or
You can make your own using flat bar aluminum from here. [2.5" x 3/16" x 24"]
Wiring Diagrams and Extras
Wiring Diagram for Harness
Pin: Location: Color:
3 4a: Joint ground of secondary coils Brown
2 15: Joint 12v Green
5 Ignition coil 4 Blue
7 Ignition coil 3 Yellow
6 Ignition coil 2 Red
1 Ignition coil 1 White
4 Not Used N/A
3 4a: Joint ground of secondary coils Brown
2 15: Joint 12v Green
5 Ignition coil 4 Blue
7 Ignition coil 3 Yellow
6 Ignition coil 2 Red
1 Ignition coil 1 White
4 Not Used N/A
Pin assignment, primary connection:
- Pin 1 = terminal 1 of ignition coil 1
- Pin 2 = terminal 15, 12v
- Pin 3 = terminal 4a
- Pin 4 = not allocated
- Pin 5 = terminal 1 of ignition coil 4
- Pin 6 = terminal 1 of ignition coil 2
- Pin 7 = terminal 1 of ignition coil 3
- Pin 1 = terminal 1 of ignition coil 1
- Pin 2 = terminal 15, 12v
- Pin 3 = terminal 4a
- Pin 4 = not allocated
- Pin 5 = terminal 1 of ignition coil 4
- Pin 6 = terminal 1 of ignition coil 2
- Pin 7 = terminal 1 of ignition coil 3