65 77 604 Replacing sensor mat (CIS mat) for front passenger seat occupancy detector

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

F01 and F02 only:

Version with CIS mat from 09/09.

For vehicles built before 08/09, see version with OC3 mat.

WARNING: Note AIRBAG SAFETY REGULATIONS !
Incorrect handling can activate airbag and cause injury.

WARNING: Only US and Canadian version of front passenger seat (with CIS mat):
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.
Full functional capability can only be guaranteed with original BMW spare parts.
After fitting the seat cover, the CIS mat must be enabled with the BMW PROGRAMMING SYSTEM .

Procedure for replacing the CIS mat together with the seat cover is described in:

Remove seat cover for front passenger seat. See NORMAL/ELECTRIC SEAT , SPORTS SEAT , or COMFORT SEAT .

The work scope with CIS mat is different for the following work steps:

Loosen the bolting point (1) of the ground cable on the seat pan.

Fig 1: Identifying Bolting Point Of Ground Cable On Seat Pan

Courtesy of BMW OF NORTH AMERICA, INC.

Cut open cable strap (1).

Lift locking tab and pull the connector out of the side of the connector housing.

Installation note:

Replace cable tie (1).

Connector is encoded against incorrect assembly.

Fig 2: Cutting Open Cable Strap And Lifting Locking Tab

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Enabling seat occupancy detector (CIS mat):

Connect BMW PROGRAMMING SYSTEM
Encode airbag control unit
Delete fault memory if necessary