LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 709 (Airbag, Door Locks & Anti-Theft Systems, Entertainment Systems, Navigation System - Repair - E92/E93) >> Airbag Trigger Unit, Diagnostics >> 65 77 600 Replacing sensor mat for front passenger seat occupancy detector

65 77 600 Replacing sensor mat for front passenger seat occupancy detector

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Note Airbag Safety Instructions !

Incorrect handling can activate airbag and cause injury.

Front passenger seat US/CDN version (with OC3 mat) only: 

New seat cover must be completely installed with padding, seat heating and OC3 mat.

Release seat occupancy detector: 

Necessary preliminary tasks: 

Disconnect plug connection (1).

Fig 1: Identifying Front Passenger Seat Sensor Mat Plug Connection
G04753741Courtesy of BMW OF NORTH AMERICA, INC.

Cut front sticking surface in area on sensor mat (1) with cutter knife or razor blade from foam without damaging the foam.

Remove sensor mat (1) and feed out electric lead.

Installation: 

In order to guarantee the function and fastening (adhesive strength) at the sticking surfaces of sensor mat (1), the foam most not show any traces of damage at all!

Replace the foam if it is hardened or damaged particularly in the area of the sticking surfaces.

Align new sensor mat (1) to upholstered seat section.

First guide cable through upholstered seat section in area (2).

Secure sensor mat in area (3) and align again.

Pull off adhesive strips in area (4) and stick to upholstered seat section.

Fig 2: Identifying Sensor Mat, Upholstered Seat Section Area And Adhesive Strips Area
G04753742Courtesy of BMW OF NORTH AMERICA, INC.