65 77 598 Replacing sensor mat for driver's seat occupancy detector
WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
Operation is described in: Replacing SENSOR MAT FOR PASSENGER SEAT OCCUPANCY DETECTOR .