BMW X3 Service & Repair Manual: Removing and installing/replacing dsc hydraulic unit
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION.
After completing repair work:
- BLEED BRAKE SYSTEM.
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:
- Carry out programming/encoding.
Removing and installing brake booster vacuum pressure sensor
Detach service opening (1).
Disconnect plug connection (1) at vacuum sensor.
Carefully remove vacuum sensor (2) from brake booster in direction ...
Electronic components
OVERVIEW OF ELECTRONIC COMPONENTS
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Other materials:
BMW X3 Service & Repair Manual > Brake testing and bleeding: Safety information for working on vehicles with automatic engine start-stop
function (msa)
WARNING:
If the engine hood/bonnet contact is pulled upwards (workshop mode), the
information "switch closed" is output. The automatic engine start-stop function
is active.
An automatic engine start is possible.
Observe safety precautions when working on MSA vehicles.
Before carryi ...