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 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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 is bonded to the entire surface of the facing and can only be removed in conjunction with the padding from the seat cover.
If CIS mat or padding is defective, both parts may only be replaced together.
Full functional capability can only be guaranteed with original BMW spare parts.
After installation, the CIS mat must be enabled with the BMW PROGRAMMING SYSTEM .

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

Replacing upholstery for front seat. See 52 13 403 Replacing seat cover for front passenger seat (normal/manual) , 52 14 402 Replacing seat cover for driver's seat (normal/electric) , 52 14 403 Replacing seat cover for front passenger seat (normal/electrical) or 52 15 404 Replacing seat cover for front passenger seat (sport/manual) .

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

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 1: Pulling Connector From Connector Housing

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