Removing the rear left upper seat belt

Precondition 

• The front seat is adjusted all the way forward.
  WARNING: Airbag unit  .
  Danger! Immobilization period-threatening injuries! 

  • Before performing any work on the airbag, always disconnect the battery ground lead from the battery.
  • Airbag unit may only be set down with the cushion (airbag itself) facing upwards.
  • For additional information see: SAFETY REGULATIONS FOR HANDLING COMPONENTS WITH GAS GENERATORS .
  WARNING: Pyrotechnic components  .
  Danger! Immobilization period-threatening injuries! 

  • All work on pyrotechnic parts may be carried out by technically experienced and appropriately trained personnel only.
  • Replace any damaged part or ones that have been dropped.
  • For additional information see: SAFETY REGULATIONS FOR HANDLING COMPONENTS WITH GAS GENERATORS .
  NOTE: TECHNICAL INFORMATION 
  Clean all threaded belt connections  with micro-encapsulated outer and internal threads.
  Shavings or other debris must not remain in the components.
  If a microencapsulated screw is reused, it must be coated with the following screw locking agent: Loctite 243, medium strength  .
  The screw connection must be completed within 10 minutes as hardening begins after this period.

Preliminary work 

• Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE INNER DOOR SILL COVER STRIP ON THE LEFT AND RIGHT .
• Refer to REMOVING REAR SEAT BENCH .
• Refer to REMOVING BOTH REAR SIDE TRIM PANELS .
• Refer to REMOVING THE LEFT AND RIGHT SEAT BELT FINISHER STRIP .
• Refer to REMOVING RIGHT C-PILLAR TRIM PANEL LEFT AND RIGHT .
• Refer to REMOVING THE TRIM PANEL FOR THE STORAGE SHELF .
• Refer to REMOVING THE REAR LEFT STRAP FITTING .

• Unlock plug connection (1) and disconnect.
• Loosen screws (2).
• Loosen screw (3).
• Thread out the seat belt retractor (4).

  Courtesy of BMW OF NORTH AMERICA, INC.