51 47 385 Removing and installing/replacing lock for left cargo cover
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:
Release screws (2) from lock (1).
Replace screws.
Tightening torque 51 47 7AZ .
Remove lock.
Replacement
Modify Bowden cable (3).