34 51 527 Removing and installing or replacing DSC hydraulic unit
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. 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
- 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.
After completing work:
IMPORTANT:
Do not mix up brake lines.
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:
For tightening torque refer to 34 32 1AZ in 34 32 BRAKE LINES .
Unscrew nuts (1).
Installation:
For tightening torque refer to 34 51 6AZ in 34 51 SLIP CONTROL SYSTEM (DSC) .
IMPORTANT:
If necessary, release brake lines from holder on bulkhead.
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:
For tightening torque refer to 34 51 5AZ in 34 51 SLIP CONTROL SYSTEM (DSC) .
Modify DSC control unit.
When replacing control unit:
- Carry out programming/coding
- Adjustment of steering angle sensor
- Mix-up check of brake lines
- Function check, hydraulic unit