BMW Seat Control Module
Last updated July 26, 2013
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61.31-4 318 615
Front Left Driver Power Seat Controls w/memory
61314318615 -> new part number 61317119867
This module seems to go out quite a bit. Here is a good forum thread on Xoutput.com



X1465 - 15 pin connector
| X1465 | Function |
| 1 | Motor - Seat Inclination - Upward |
| 2 | Motor - Seat Inclination - Downward |
| 3 | Motor - Seat Slide - Back |
| 4 | Motor - Seat Slide - Forward |
| 5 | Motor - Seat Height - Raise |
| 6 | Ground |
| 7 | Motor - Seat Backrest - Forward |
| 8 | Power - Fuse 26 |
| 9 | K-Bus |
| 10 | Motor - Seat Height - Lower |
| 11 | |
| 12 | Motor - Seat Headrest - Raise |
| 13 | |
| 14 | Motor - Seat Backrest - Back |
| 15 | Motor - Seat Headrest - Lower |
X650 - 12 pin Connector (black)
| X650 | Function |
| 1 | Switch - Steering column |
| 2 | Motor - Seat Backrest Adjust |
| 3 | Motor - Seat Height Adjust |
| 4 | Motor+ Seat Cushion Tilt |
| 5 | Motor+Seat Movement |
| 6 | Motor+ Back-Rest Actuator |
| 7 | Switch - Steering column inclinaton motor |
| 8 | Motor- Seat Backrest Recliner |
| 9 | Motor- Seat Height adjust |
| 10 | Motor- Seat Cushion Tilt |
| 11 | Motor- Seat Movement |
| 12 | Motor- Seat Headrest |
X653 - 4-pin Connector (natural)
| X653 | Function |
| 1 | Switch - Steering column longit. adj., backward |
| 2 | Switch - Steering column col. adj., forwards |
| 3 | Switch - Steering column inclination, higher |
| 4 | Switch - Steering column inclination, lower |
X18840 - 3-pin (black)
| X18840 | Function |
| 1 | Ground |
| 2 | Not used |
| 3 | Power In |