52 26 115 Removing and installing/replacing Bowden cable for left rear seatback
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:
Unclip Bowden cable sleeve (1).
Disconnect Bowden cable nipple (2).
Disconnect Bowden cable nipple (1).
Unclip Bowden cable sleeve in marked area.
Unthread Bowden cable through cover (2).