52 17 055 Removing and installing/replacing both adjusting units for backrest width adjustment on driver's seat

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove SIDE AIRBAG (front seat)
Remove backrest cover for front seat

Release rivets (1) on left and right and remove trim (2).

Fig 1: Identifying Rivets And Trim

G06895394

Courtesy of BMW OF NORTH AMERICA, INC.

Release cable tie (1).

Installation:

Lay cables (3) without kinks.

Disconnect plug connection (2) on drive.

Fig 2: Identifying Plug Connection On Drive

G04742808

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, cables and drive form a single unit and can only be replaced completely.

Fig 3: Identifying Adjusting Elements And Rivets

G04742809

Courtesy of BMW OF NORTH AMERICA, INC.