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

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove FRONT SEAT

WARNING: Read and comply with SAFETY 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

Fig 1: Pulling Out Plugs From Plug Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 72 11 5AZ .

Remove belt pretensioner (3).

Installation:

Replace screw (1).

Belt tensioner (3) is secured through recess (2) to retaining bracket.

Fig 2: Identifying Belt Pretensioner, Recess And Screws

Courtesy of BMW OF NORTH AMERICA, INC.