72 12... Procedure after airbag triggering as result of an accident
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2015 BMW 750i, 2015 BMW 750Li, and 2015 BMW 740i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Replace the components involved in crash, check all others!
Check and/or replace following components after airbag deployment:
Satellites (control unit + sensor)
- Components:
- Sensor B-pillar (left/right)
- Sensor front door (left/right)
- Sensor seat, Driver-/passenger's side
- Airbag control unit, vehicle interior
- Sensor, pedestrian protection
- Front sensor (engine compartment)
- Procedure:
- Read fault memory
- Disconnect vehicle battery and observe waiting period
- Inspect visually for mechanical damage
- Rectify faults
- Reconnect vehicle battery and pay attention to waiting period (at least. 10 s)
- Delete fault memory
- Switch off ignition and wait at least 2 minutes (no consumers may be switched on during this period such as interior light, radio, etc.)
- Switch on ignition (minimum 10 s of waiting)
- Clear fault memory and if necessary rectify faults
Cables and plugs:
- Components and procedure:
- Check cables and plugs for damage, replace if necessary.
(e. g. corrosion, correct engagement, bent pin)
- Check cables and plugs for damage, replace if necessary.
Belt system:
- Components:
- Retractor mechanism
- Belt buckle tensioner
- Seatbelt height adjustment
- Anchor fitting tensioner
- Procedure:
- Check components, replace if necessary
Seats:
- Components:
- Seat
- Airbag module
- Active head restraint
- Procedure:
- Check seats (function check of seat mechanism), replace if necessary
- Check seat screw/bolt connections
- Replace gas generator, active head restraint system
If the severity of the impact has not caused any other damage to the seat, only the triggered gas generator needs to be replaced.
External feature: The triggered head restraint is folded forward and engaged.
The repair work can be carried out in the car with the rear panel removed. The entire system can be pushed back into its original position and the new gas generator installed.
The gas generator can be replaced up to 5 times.
- Replace airbag module and seat cover with padding
Driver's airbag:
- Components:
- Airbag module
- Steering Wheel
- Steering column (if damaged)
- Procedure:
- Check components, replace if necessary
- Replace steering wheel
Front-passenger airbag:
- Components:
- Airbag module
- Trim, instrument panel
- Supporting tube (if damaged)
- Procedure:
- Check components, replace if necessary
Side airbag, front/rear:
- Components:
- Airbag module
- Door panel
- Door in white
- Seat
- Procedure:
- Check components; replace if necessary
Head airbag:
- Components:
- Airbag module
- Trim, A-pillar
- Roofliner
- Trim, B-pillar (if damaged)
- Trim, C-pillar (if damaged)
- Connection/mounting (on side frame)
- Procedure:
- Check components, replace if necessary
Knee airbag:
- Components:
- Panel (driver's side)
- Lower section of glove box
- Active knee protector (driver's and passenger sides)
- Procedure:
- Check components, replace if necessary
Passive knee protector:
- Components:
- Panel (driver's side)
- Glove box incl. knee protector (passenger side)
- Procedure:
- Check components for damage, replace if necessary
- Check fastening elements