Necessary preliminary tasks:
After completing repair work:
IMPORTANT: Do not mix up brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connecting bores with seal plugs.
Press brake pedal down to floor and secure with pedal support.
NOTE: The brake pedal may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank when the brake lines are opened.
Disconnect plug connection (1).
Unfasten brake lines (1).
Undo screw (3) and remove hydraulic unit upwards in direction of arrow.
Release screws (1) and remove holder (2).
If the control unit is replaced:
BMW X3 Service & Repair Manual > Steering wheel for airbag: 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 pyrotechnical objects. Pyrotechnical objects are assigned to different
danger classes on the b ...