Installing the side airbag (CLS)
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:
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 .
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.
- Carefully guide the side airbag into upholstery pocket (2).
- Connect connectors (1) and lock.
- Replace nuts (2).
Parts: Nut
- Tighten nuts (2).
TIGHTENING TORQUES SPECIFICATION
| Airbag on the backrest frame | ||
| Nut Replace nut. |
tightening torque | 6.5 Nm |
- Position cover (1) correctly.
- Clip in the attachment points (1).
Follow-up work
- Refer to INSTALLING THE SUPPORT FOR THE FRONT SEAT, REAR SEAT BACKREST (CSL) .
- Refer to INSTALLING THE SUPPORT FOR THE FRONT SEAT (CSL) .
- Refer to FASTENING THE GROUND CABLE OF THE SEAT OCCUPANCY MAT (CIS) .
- Refer to DISCONNECTING THE FRONT SEAT FROM THE WIRING HARNESS OF THE VEHICLE AND REMOVING IT FROM THE UNIVERSAL SEAT MOUNT .
- Refer to INSTALLING DRIVER'S SEAT .
- Refer to INSTALLING THE STRAP FITTING .