72 11 041 Removing and Installing/Replacing Front Left or Right Lower Belt Fitting (Seat Belt Tensioner)

72 11 041 - Removing and installing or replacing front left or right lower belt fitting (seat belt pretensioner)





Necessary preliminary tasks:
- Remove front seat Removing and Installing Left or Right Front Seat (Normal / Manual)





Warning!
Read and comply with safety regulations [1][2][3]72 .. ... Safety Precautions and General Information for handling airbag modules and pyrotechnical belt pretensioners.
Improper handling can lead to triggering of the pyrotechnical seat belt pretensioner or side airbag, resulting in injuries.

Switch off ignition!





Installation:
- Microencapsulated screws (Loctite) must be replaced and may not be reused
- Screw connection must be completed within 20 minutes (start of curing)
- Microencapsulated screws must not be retightened
- Clean thread of nut beforehand in event of repeated use





Unfasten plug connection (1) and disconnect.
Unlock plug connection (3) and pull all plugs out of plug housing (2).
Disconnect all cable ties.
Removing wiring harness.

Installation:
- Replace cable tie.
- Wires must not be under tension
- Plugs are coded and must be reinstalled in the correct sequence in the plug housing





Only in event of replacement for E87 with build date before 09/2004:
New seat belt tensioners are supplied with seat belt buckle contacts which are not required before this build date.
- Disconnect contacts at pin 14 and pin 15
- Tie both contacts to rear

Note:
Clear all fault memories and code car again.





Release screw (1).
Tightening torque: 72 11 6AZ [1][2]Seat Belt Systems.
Remove belt pretensioner (3).

Installation:
Replace screw (1).
Belt tensioner (3) is secured through recess (2) to retaining bracket.