51 47 134 Removing and installing/replacing left or right rail in luggage compartment floor

WARNING: This page is about a different car, the 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove luggage compartment wheel arch trim. See LEFT LUGGAGE COMPARTMENT WHEEL ARCH TRIM or RIGHT LUGGAGE COMPARTMENT WHEEL ARCH PANEL .
Remove BATTERY COVER
Remove TRIM FROM REAR APRON

NOTE: The operation is described on the left side; proceed in the same way for the right side.

Release expanding rivets (1).

Release screw (2).

Release plastic nut (3).

Feed out rail (4) towards rear.

Fig 1: Identifying Luggage Compartment Floor Rail, Expanding Rivets, Plastic Nut And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

If necessary, replace faulty expander rivets and plastic nuts.