67 31 500 Removing and installing/replacing drive unit for longitudinal seat adjustment

Necessary preliminary tasks:

Disconnect plug connection (1).

Release expander rivets (2).

Installation:

If necessary, replace faulty expander rivets (2).

Fig 1: Identifying Plug Connection And Expander Rivets

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: View from rear.

IMPORTANT: Risk of damage!
Do not kink drive shafts (4).

Lever out guide clip (3).

Raise flange (1) with drive unit for longitudinal seat adjustment (2) slightly and detach from left drive shaft.

Feed out drive unit for longitudinal seat adjustment (2) in direction of arrow and detach from right drive shaft.

Fig 2: Feeding Out Drive Unit For Longitudinal Seat Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure guide clips (3) and both drive shafts (4) are correctly seated.

Replacement:

Initialize drive unit for longitudinal seat adjustment, see 67 31... Notes on initializing electric seat servodrives .