61 31 208 Removing and installing/replacing switch for front lumbar support
WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.
Remove outer cover on front seat, refer to 52 17 040 REMOVING AND INSTALLING/REPLACING COVER ON LEFT OR RIGHT FRONT SEAT (COMFORT) or 52 13 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK .