BMW 7 Series: Removing And Installing/Replacing Airbag Unit
WARNING: Observe the following instructions to avoid any risk of injury by the airbag unit.
- Comply with SAFETY REGULATIONS for handling components with gas generators.
- Do not exert any force on the airbag unit.
- Use only specified tools for releasing the airbag unit.
NOTE: Incorrect handling may result in triggering of the airbag unit and thereby cause serious injury.
IMPORTANT: Steering wheel must be replaced if airbag unit has been triggered!
Necessary preliminary tasks
- Disconnect BATTERY EARTH LEAD
Insert Torx screwdriver T30 (1) straight into concealed opening on reverse side of steering wheel until a spring resistance is felt (approx. 2 cm).
Increase pressure at spring leg with Torx screwdriver T30 (1) until airbag unit is unlocked.
For purposes of clarity: airbag unit removed.
Installation note: Make sure electrical leads are correctly positioned.
.png)
Fig. 104: Identifying Torx Screwdriver T30 (32 34 020)
Snap airbag unit with uniform pressing force plane-parallel in direction of steering column shaft into steering wheel.
WARNING: Danger of injury! Airbag unit may only be set down with the airbag itself facing upwards.
Tilt airbag unit towards rear.
Disconnect plug connection (1) and earthing cable (2) and remove airbag unit.
.png)
Fig. 105: Identifying Airbag Unit Plug Connection And Earthing Cable (32 34
020)
REMOVING AND INSTALLING/REPLACING AIRBAG UNIT (SPORT STEERING WHEEL)
NOTE: Incorrect handling may result in triggering of the airbag unit and thereby cause serious injury.
IMPORTANT: Steering wheel must be replaced if airbag unit has been triggered!
Necessary preliminary tasks
- Disconnect BATTERY EARTH LEAD
Insert Torx screwdriver T30 (1) straight into concealed opening on reverse side of steering wheel until a spring resistance is felt (approx. 2 cm).
Increase pressure on spring leg using Torx screwdriver T30 (1) until airbag unit is released.
For purposes of clarity: airbag unit removed! Installation note: Make sure electrical leads are correctly positioned.
.png)
Fig. 106: Identifying Torx Screwdriver T30 (32 34 030)
Snap airbag unit with uniform pressing force plane-parallel in direction of steering column shaft into steering wheel.
WARNING: Danger of injury! Airbag unit may only be set down with the airbag itself facing upwards.
Tilt airbag unit towards rear.
Disconnect plug connections (1) and grounding cable (2) and remove airbag unit.
.png)
Fig. 107: Identifying Airbag Unit Plug Connection And Earthing Cable (32 34
030)
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Safety Regulations For Handling Components With Gas Generators
It is essential to comply with the regulations as specified in the law
relating to the use of explosives when
working on airbag units and seat belt tensioners.
Airbags, seat belt tensioners etc. are
Bleeding Power Steering (Version With Dynamic Drive)
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any d
SEE MORE:
Climate control
Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily available in your vehicle, e.g., due
to the selected options or country versions. This
also applies to
Electrical Sun Roof Components
NOTES ON GLASS SLIDE/TILT SUNROOF (INITIALIZATION/NORMALIZE OF
CHARACTERISTIC CURVE)
NOTE: Initialization comprises:
Normalization
Learning characteristic curve
The mechanical end positions are recorded and stored during normalization.
The characteristic curve is learnt immediately after norma
