BMW PM-FT module web page
Last updated June 3, 2020

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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.

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 cars wiring diagram you will see connector numbers X1128, X1129 & X887 on this module.

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-FT Part Numbers (Left Hand Drive)
61.31-8380646
61.31-8368966
61.31-6904306
61.31-8360885
61.31-8360447 (- 4/1994)
61.31-8360829 (9/1995-3/1996)
61.31-4392525 (12/1995-1/1997)
61.31-8375734 (9/1996-6/1999)
61.31-8375401 (9/1997-7/1999)
61.31-6904309 (3/1999-6/2013)
61.31-6904306 (03/1999-3/2016)
61.31-2357606 (08/2013-4/2015)
6131-9362762 (6/2015-current) $196.63 at ECS Tuning

PM-FT Part Numbers w/Folding Mirror (Left Hand Drive)
61.31-6904339 (5/2000-3/2016)
61.31-2357607 (8/2013-4/2015)
61.31-9362763 (5/2015-Current) $246.92 at ECS Tuning
61.31-6909903 (5/2000-6/2013)
61.31-6904301 (3/1999-10/2012)

PM-FT Part Numbers (Right Hand Drive)
61.31-6907110

PM-FT Part Numbers (without Rear Windows Controls)
61.31-8360887
61.31-8370883 (5/1998-4/2000)
61.31-6906935 (4/1999-5/2015)
61.31-2357610 (8/2013-4/2015)
61.31-9362769 (6/2015-current)

Old style PM-FT (not integrated with switch panel) Part Numbers
61.35-8352061 (03/1994-10/1996
61.35-8376075 (09/1996-11/2000
61.35-8381944 (09/1998-08/1999
61.35-6904258 (04/2000-10/2005)
61.35-6924932 (05/2002-current)
61.35-4378804
61.35-4392552
61.35-8366528



Pin
Function on Connector X1128
1
Mirror Motor Drive
2
Mirror Motor Drive
3
Mirror Adjust Signal
4
Mirror Vertical Adjust
5
Mirror Heater Drive
6
Mirror Horizontal Adjust
7
Mirror Heater Potentiometer Ground
8
Microswitch Ground Supply
9
Mirror Hinged In Signal
10
Mirror Potentiometer Horizontal
11
Mirror Potentiometer Vertical
12
Mirror Potentiometer Positive
Pin
Function on Connector X1129
1
Door Unlock Motor (MER)
2
not connected
3
not connected
4
Nighttime Illumination
5
not connected
6
not connected
7
Door Lock Signal
9
Door Unlock Signal
10
Door Lock Motor (MVR)
11
P-Bus
12
not connected
13
not connected
14
not connected
16
Motor Position Signal (Door Lock)
17
Window Anti-Jamming Switch
18
Memory LED
8, 15
not connected
Pin
Function on Connector X887
1
Terminal 30, Power +12V In (fuse #31 E38, #29-E39)
2
Ground
3
not connected
4
Window Motor Close
5
Window Motor Open

 

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 scott@bmwgm5.com

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