65 77 604 Replacing seat occupancy mat for front passenger seat occupancy detector

WARNING: US/CDN front passenger seat (with CIS mat) only:
The CIS mat can only be removed from the upholstery together with the seat cover.
If CIS mat, seat cover or seat heating is defective, all parts may only be replaced together.
After fitting seat cover, enable CIS mat with BMW DIAGNOSIS SYSTEM .

Necessary preliminary tasks

Remove seat cover for front passenger seat. See 52 14 403 REPLACING SEAT COVER FOR FRONT PASSENGER SEAT (NORMAL/ELECTRICAL) (UP TO 09/09) , 52 16 403 REPLACING SEAT COVER FOR FRONT PASSENGER SEAT (SPORTS, 09/09 ON) or 52 17 403 REPLACING SEAT COVER FOR PASSENGER SEAT (COMFORT) (FROM 09/09) .

NOTE: Graphic is an example.
Pull seat occupancy mat (1) off front passenger seat upholstery (4) and feed out connector housing (3).

Installation note:

To avoid malfunctions, make sure seat occupancy mat (1) is cleanly laid:
- Lay connector housing (3) in designated recess
- Lay seat occupancy mat bridges (2) cleanly and feed into designated recesses
- Secure seat occupancy mat (1) to bonding surface
- Lay seat occupancy mat (1) straight and without kinks
  
  Fig 1: Identifying Seat Occupancy Mat, Mat Bridges And Lay Connector Housing
  Courtesy of BMW OF NORTH AMERICA, INC.