52 17 054 Removing and installing/replacing adjusting unit for backrest width adjustment on left or right front seat

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove FRONT SEAT .
Remove BOTH REAR PANELS on front seat backrest.
Remove INNER COVER on front seat.
Remove backrest cover for front seat.

Unfasten cable clip (1).

Installation:

Lay cables (3) without kinks.

Disconnect plug connection (2) on drive.

Fig 1: Identifying Cable Clip And Plug Connection On Drive

Courtesy of BMW OF NORTH AMERICA, INC.

Release rivets (1) on left and right and remove adjusting elements (3).

Release rivets (2) for drive.

Remove complete adjusting unit.

NOTE: Adjusting element (3), cables and drive form a single unit and can only be replaced completely.

Fig 2: Identifying Rivets And Adjusting Element

Courtesy of BMW OF NORTH AMERICA, INC.