Removing the airbag sensor on the B-pillar
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: 72 00 SAFETY REGULATIONS ON HANDLING COMPONENTS WITH GAS GENERATORS .
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 C-PILLAR TRIM PANEL .
- Refer to REMOVING REAR SEAT BENCH .
- Refer to REMOVING ARMREST SIDE SECTION .
- Refer to REMOVING REAR SIDE TRIM PANEL .
- Unlock plug connection (1) and disconnect.
- Loosen screw (2).
- Remove the airbag sensor (3) on the B-pillar.