52 13... Removing and installing/replacing support for outer cover on front 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 SWITCH COMBINATION FOR SEAT ADJUSTMENT

Drill out blind rivets (1).

IMPORTANT: Use drill of correct diameter.
Make sure that support (2) and seat mechanism are not damaged.

Remove support (2).

Fig 1: Identifying Support And Seat Mechanism

Courtesy of BMW OF NORTH AMERICA, INC.