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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 289 (Seats - Repair) >> Front Seat, Normal, Electric >> 65 77 604 Replacing sensor mat (CIS mat) for front passenger seat occupancy detector

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 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. 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: 

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 Seat Occupancy Detector Connector
G06895161Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Enabling seat occupancy detector (CIS mat):