34 51 527 Removing and installing or replacing DSC hydraulic unit
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Read and comply with General Information .
- Remove lower section of microfilter housing . See MICROFILTER .
- Extract brake fluid
NOTE:
Extract brake fluid out of expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
Do not reuse drawn out brake fluid.
After completing work:
- Bleeding braking system
IMPORTANT:
Do not mix up brake lines.
If necessary, mark before removal.
Close off connection bores with plugs.
If necessary, mark before removal.
Close off connection bores with plugs.
Press cover (2) slightly to one side and disconnect plug connection (1).
Unfasten brake lines (3).
Installation:
Tightening torque 34 32 1AZ . See 34 32 BRAKE LINES .
Unscrew nuts (1).
Installation:
Tightening torque 34 51 6AZ . See 34 51 SLIP CONTROL SYSTEM (DSC) .
IMPORTANT:
If necessary, release brake lines from holder on bulkhead.
Brake lines must not be bent!
Brake lines must not be bent!
Tilt out hydraulic unit (1) in direction of side panel.
When replacing hydraulic unit:
Release screws (1) and convert holder (2).
Installation:
Tightening torque 34 51 5AZ . See 34 51 SLIP CONTROL SYSTEM (DSC) .
Modify DSC control unit .
When replacing control unit:
- Carry out programming/coding and Adjustment of steering angle sensor using scan tool.
- Mix-up check of brake lines