52 25... Removing and installing button and trim for button
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Open cover (1).
IMPORTANT:
Tape off working area with fabric adhesive tape. Risk of damage!
Lever out trim (2) with plastic wedge in upward direction.
Unclip button (1) towards top.
Remove spring underneath.
Remove locking part (2) towards front.
Installation note:
Make sure spring is correctly seated under button (1).