Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove outer cover . See 5213040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST or 5214040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (NORMAL) on front seat.

Disconnect plug connection (3).

Unlock catches (1).

Remove switch for lumbar support (2) in direction of arrow.

Fig 1: Removing Switch For Lumbar Support

Courtesy of BMW OF NORTH AMERICA, INC.