67 31 500 Removing And Installing/Replacing Drive Unit For Longitudinal Seat Adjustment

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. 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 connections (1).

Release expander rivets (2), replace if necessary.

Fig 1: Identifying Expander Rivets And Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

Do not kink drive shafts (4).

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.

NOTE:

To facilitate installation/removal, lever out guide clip (3) if necessary.

Installation:

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

Comfort seat only:

Replacement:

INITIALIZE drive unit for longitudinal seat adjustment.

Fig 2: Identifying Drive Unit For Longitudinal Seat Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.