67 31 520 Removing and installing/replacing drive unit for seat height adjustment

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Necessary preliminary tasks:

Remove front seat. Refer to 52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC) or 52 17 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (COMFORT) .
Remove outer cover on front seat. Refer to 52 14 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (NORMAL/ELECTRIC) .

Disconnect plug connection (1).

Fig 1: Removing Drive Unit For Seat Height Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen screws (2).

Feed out drive unit for seat height adjustment (3) and remove.

Comfort seat only:

Replacement:

Initialize drive unit for seat height adjustment. Refer to 67 31... NOTES ON INITIALIZING ELECTRIC SEAT SERVODRIVES .