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65 77 610 Replacing sensor mat for passenger seat occupancy detector

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2006 BMW Z4, 2005 BMW Z4, and 2004 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: US/CND front passenger seat (with OC3 mat) only:
Seat cover must not be separated from padding.
All parts must be replaced completely and released with the diagnosis system in event of defective fan, seat cover, seat heating, OC3 mat or padding.

Necessary preliminary tasks: 

Remove sensor mat (1) from passenger seat padding.

Fig 1: Removing Sensor Mat
G03298749Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: To avoid malfunctions, make sure sensor mat (1) is cleanly laid:
  • Lay plug-in connection in designated recess.
  • Lay sensor mat (1) straight and without kinks (large bending radii).
  • If necessary, secure sensor mat (1) with adhesive tape provided.