32 34 020 Removing and installing or replacing airbag unit (inserted airbag unit)
Necessary preliminary tasks:
- Disconnect battery negative lead
Installation:
If a new airbag unit (see table below) is installed, the grounding spring (1) still fitted must be removed from the steering wheel base plate!
Detach spring (1) from screw.
Grounding screw (1) can be safely omitted from new airbag units!
Launch dates of new airbag units:
E46: 01/2002
E53: 02/2003
E39: 03/2002
Insert a screwdriver through opening on rear side of steering wheel and press down on lock. If a springy resistance can be felt, press down lock as far as it will go and pull airbag unit (1) away from steering wheel.
Repeat procedure on opposite side.
For purposes of clarity, the procedure is shown in the next picture with the airbag unit already removed.
Using screwdriver (2), press down on lock (1).
Installation:
- Insert airbag unit with hooks into locks and press into steering wheel.
Unlock airbag plug connection:
Lever out lock (1) with a screwdriver.
Open locks (1) on both plugs and disconnect plug connections. Remove airbag unit.