34 11 552 Overhauling Left or Right Front Brake Calliper (Brembo) (Brake Calliper Removed)

34 11 552 - Overhauling left or right front brake caliper (Brembo) (brake caliper removed)





Warning!
In the following work step, large forces occur at the brake caliper piston (up to more than
2800 N).
Risk of injury!





Note:
Use repair kit,
refer to BMW Parts Service.





Important!
To protect the pistons, place a protective plate (1) (e.g. hard wood or hard felt) in caliper recess.
Do not grip piston with fingers - risk of trapping!

Carefully force piston out through brake hose connection bore with compressed air.

Installation Note:
Do not jam piston when pressing in.





Press off dust sleeve (1).





Important!
Machining of cylinders and pistons is not permitted.

Installation Note:
Dust sleeve must be correctly seated in groove (1) of piston and groove (2) of brake caliper.
The area between the dust sleeve and the brake caliper housing must be kept dry. It must not come into contact with Ate brake cylinder paste or brake fluid so as to ensure that the dust sleeve is perfectly seated.