Removing and installing/replacing tandem brake master cylinder for DSC (X6 M)
Special tools required:
- 32 1 270
Necessary preliminary tasks:
- Remove expansion tank.
- Read and comply with GENERAL NOTES .
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 tandem brake master cylinder with seal plugs 32 1 270.
Release nuts (3) and feed tandem 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 tandem brake master cylinder (2) into the brake servo (1), make sure the pressure rod of the brake servo and that of the tandem brake master cylinder meet each other on one level.