71 60 100 Removing and installing/replacing control unit for trailer coupling release
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .
Necessary preliminary tasks:
- Remove right LUGGAGE COMPARTMENT WHEEL ARCH PANEL .
Unfasten plug connection (1) and disconnect.
Pull out control unit for trailer coupling release (2) towards the top.
Installation note:
Make sure control unit for trailer coupling release (2) if fitted correctly.
Replacement:
Perform an initialization in the procedure or manual initialization via the button in the luggage compartment (see appropriate Operating Instructions/Manual). The manual initialization is described in the procedure.