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

WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front seat. See 52 13 000 Removing And Installing Left Or Right Front Seat (Normal/Semi-Electric) .
Remove both rear panels on front seat backrest. See 52 14 198 Removing And Installing/Replacing Rear Panel On Left Or Right Front Seat Backrest (Normal/Electric) .
Remove inner cover on front seat. See 52 14 041 Removing And Installing Inner Cover On Left Or Right Front Seat (Normal/Electric) .
Remove backrest cover for front seat. See 52 17 405 Replacing Backrest Cover For Left Or Right Front Seat (Comfort) .

Unfasten cable clip (1).

Installation:

Lay cables (3) without kinks.

Disconnect plug connection (2) on drive.

Fig 1: Disconnecting 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: Adjusting Element Cables And Drive Form Single Unit

Courtesy of BMW OF NORTH AMERICA, INC.