34 31 505 Removing and installing/replacing master brake cylinder for DSC
WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
WARNING:
High-voltage system - danger to life!
WARNING:
Compliance with the following points is mandatory before beginning work:
- Observe SAFETY INFORMATION for handling with hybrid cars
Necessary preliminary tasks:
- Remove EXPANSION TANK .
- Read and comply with GENERAL INFORMATION .
After completing tasks, bleed BRAKE SYSTEM WITH DSC .
IMPORTANT:
Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake servo.
IMPORTANT:
Do not bend brake lines.
Unfasten brake lines (2).
Unclip retaining bar (1) and remove both brake lines from guides.
Installation note:
Tightening torque 34 32 1AZ .
Close off brake lines and brake master cylinder with seal plugs 32 1 270 .
Release nuts (3) and feed brake master cylinder out of brake servo.
Installation note:
Replace self-locking nuts.
Tightening torque 34 31 1AZ .
Installation note:
Replace sealing ring.
Installation note:
When inserting the brake master cylinder (2) into the brake servo (1), make sure the pressure rod of the brake servo and that of the brake master cylinder meet each other on one level.