BMW PM-BT module web page
Last updated June 3, 2020
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Connector numbers above in parens are passenger door connector numbers and those not in paren are for the driver's door.
The PM module is used on cars that use the BMW GM3 module like the E38 7-series 1994-2001 and E39 5-series 1995-2003. The E53 X5 also has a set of PM modules, but, they are integrated with the door control panels and look nothing like picture above X5 PM Modules.
On these cars there is one PM module in each of the Front Doors. The module is connected to the GM3 through the P-Bus. It controls the door lock, window motor, mirror motors and mirror heater. It senses the seat memory switch, door latch, window switch and mirror adjust switch and controls the appropriate motor directly and/or notifies the GM3 module via the P-Bus. If you are looking at the car wiring diagram you will see connector numbers X1130, X1131 & X889.
The window motor is controlled via a V23078-C1002-A303
relay (I sell this relay by the way) and the door lock is controlled via a Solid
State Driver IC, ST Microsystems L9947S. The GM III were made under a variety
of part numbers including the following.
PM-BT Module Part Numbers
E39 5-series (PM-BT) P/N
61358375684 up to 09/98
61358376064 up to 09/98
61358378761 up to 05/99
61356904242 no longer available
61356904243 (1995-1998, 1999-2001) ECS Tuning $344.59
For cars with fold in outside mirrors, P/N
61358375682 -> 61356904243
If you are having problems with the power windows on 1 door, but, everything else works then it might be a bad window relay. This relays is p/n V23078-C1002-A303 relays. Click on the link to find out how to order one. If you don't feel comfortable soldering I can install the relay for $45 including Priority Mail return shipping (within the US only). Contact me at email@example.com
General Module 3
General Module 4
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