Replacing 12 V sockets:

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Open cover (1) of socket housing.

Turn socket insert (2) approx. 30° to right.

Turn socket insert (2) under tension back into initial position and pull out of socket housing.

Fig 1: Opening Cover Of Socket Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Align socket insert (1) with retaining lugs (2) to groove (3) of socket housing and slide in until it is felt snapping into place.

Fig 2: Aligning Socket Insert With Retaining Lugs To Groove Of Socket Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Pull socket housing (1) approx. 5 mm out of wheel arch trim (2) and tilt out to right at bottom.

Installation:

Insert socket housing with plastic lugs (3) into wheel arch trim and lock with retaining lugs (4).

Fig 3: Pulling Socket Housing

Courtesy of BMW OF NORTH AMERICA, INC.