71 60 100 Removing and installing/replacing control unit for trailer coupling release

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. 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:

Open luggage compartment floor trim panel

Release clips (1) and fold up storage shelf (2).

Fig 1: Identifying Storage Shelf And Clips

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Release retaining lug (2).

Pull out control unit for trailer coupling release (3) towards the top in direction of arrow.

Installation note:

Make sure control unit for trailer coupling release (3) if fitted correctly.

Fig 2: Identifying Retaining Lug And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Perform an initialization in the procedure or manual initialization via the button in the luggage compartment (see Operating Instructions). The manual initialization is described in the procedure.