61 35 971 Removing and installing/replacing interior antenna for comfort access system (luggage compartment at rear)
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks: Remove spare wheel well TRIM PANEL at front
Disconnect plug connection (1).
Release screw (2).
Remove interior antenna for comfort access system (3).