Removing airbag unit of the M sports steering wheel
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.
Preliminary work
- Deactivate the 48 v ELECTRICAL SYSTEM .
- Disconnect all battery GROUND LEADS .
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: 72 00... SAFETY REGULATIONS on handling airbag system components/gas generators
NOTE:
TECHNICAL INFORMATION
After replacing the airbag unit (M Sport steering wheel) or possibly converting the standard steering wheel and airbag unit on the M Sport steering wheel, a software update or a programing/coding via BMW's ISTA must be performed.
After replacing the airbag unit (M Sport steering wheel) or possibly converting the standard steering wheel and airbag unit on the M Sport steering wheel, a software update or a programing/coding via BMW's ISTA must be performed.
NOTE:
TECHNICAL INFORMATION
Steering wheel must be replaced if airbag unit has been deployed.
Steering wheel must be replaced if airbag unit has been deployed.
Only on M Sport steering wheel: The impact plate must be replaced if the airbag unit has been deployed.
For ADDITIONAL INFORMATION see: 72 12... Procedure after airbag deployment as result of an accident
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: 72 00... SAFETY REGULATIONS on handling airbag system components/gas generators
NOTE:
RISK OF DAMAGE
Damage to the steering wheel.
Incorrect handling of the tool may damage the steering wheel.
Damage to the steering wheel.
Incorrect handling of the tool may damage the steering wheel.
- Make sure the position (angle and inclination) of the tool is correct.
- When unlocking, do not use "levering" action. Instead, press in the Torx screwdriver toward the center of steering wheel only.
- Locate the pre-punched hole (1) on the rear of the steering wheel by feel.
- Insert the Torx screwdriver T27 diagonally upwards in the pre-punched hole (1) on the rear of the steering wheel until a springing kind of resistance can be felt.NOTE: To provide a better overview: Schematic diagram with airbag unit removed.
- Press in Torx screwdriver T27 (1) straight in the direction of the arrow towards the center of the steering wheel in order to unlock the wire spring (2) or to unlock the airbag unit.
- Press in Torx screwdriver T27 (1) straight in the direction of the arrow towards the center of the steering wheel and lift up the airbag unit.
- Repeat procedure on left side and carefully remove airbag unit (2) in the direction of the arrow.
- Unlock and disconnect the plug connection (1) and remove the airbag unit.