Removing the rear upper seat belt
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Pyrotechnic components.
Danger! Immobilization period-threatening injuries!
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
WARNING:
Airbag unit.
Danger! Immobilization period-threatening injuries!
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 .
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.
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.
NOTE:
Description is for left component only. Procedure on the right side is identical.
Preliminary work
- Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING REAR SEAT BENCH .
- Refer to REMOVING LEFT AND RIGHT BACKREST SIDE SECTION .
- Refer to REMOVING RIGHT C-PILLAR TRIM PANEL LEFT AND RIGHT .
- Refer to REMOVING SIDE TRIM PANEL, REAR LEFT AND RIGHT .
- Refer to REMOVING THE TRIM PANEL FOR THE STORAGE SHELF .
WARNING:
Airbag unit.
Danger! Immobilization period-threatening injuries!
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!
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 .
- Unlock plug connection (1) and disconnect.
- Loosen screws (2).
- Loosen screw (3).
- Remove the seat belt retractor with the foam part (4).
- Feed out and remove the seat belt retractor (1) from the foam part (2).