65 77 604 Replacing sensor mat (CIS mat) for front passenger seat occupancy detection (from production date 09/2009 through model year 2015)

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

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

WARNING:

Note AIRBAG SAFETY REGULATIONS !

Incorrect handling can lead to airbag deployment and cause injury.

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.

Full functional capability can only be guaranteed with BMW factory replacement parts.

After fitting seat cover, enable CIS mat with BMW PROGRAMMING SYSTEM .

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

Replacing seat cover for front passenger seat. See:

IMPORTANT: 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 Seat Pan Ground Cable

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: Pulling Connector From Connector Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Enabling seat occupancy detection (CIS mat):

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