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

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove TRIMS FOR TOP RAIL

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.