52 17 020 Removing and installing/replacing seat frame on left or right front seat (comfort)

WARNING: This page is about a different car, the 2010 BMW 535xi, 2009 BMW 535xi, and 2008 BMW 535xi. 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 OUTER COVER
E60 only: Remove ACTUATING UNIT
Remove INNER COVER on front seat
Remove ADJUSTMENT UNIT for thigh support
Remove BACKREST FRAME on front seat
If necessary, remove DRIVE UNIT for active seat

Remove wiring harness (1) from seat frame (2).

Fig 1: Identifying Wiring Harness And Seat Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Release rivets (1) on left and right, remove fastening strips (2) on left and right.

Release screws (3).

Tightening torque: 52 10 6AZ .

Remove seat frame.

Fig 2: Identifying Rivets And Fastening Strips

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

When replacing backrest or seat frame, break off centering hooks (1) from seat frame.

Fig 3: Identifying Centering Hooks

Courtesy of BMW OF NORTH AMERICA, INC.

The new seat frame part contains all the drives.