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Discussion Starter · #1 · (Edited)
Hello,

The bentley service manual seem to be advising to use a power bleeder AND depress the brake pedal 5 times (p.691).

ECS tuning tutorial
The above tutorial however advises against depressing the pedal and using the power bleeder as a substitute. They say depressing the brake pedal could damage a used master cylinder due to the piston reaching further in the cylinder and accumulated debris that could be there.

Any opinions ? What is best and why :tsk::hmm: ?

Thanks ,
E46M3ZCP
 

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I have done both (not together) - but now use a power bleeder. If you plan to use the pedal method - put a piece of 2X4 flat under the brake pedal. You don't want to press it to the floor - to avoid damaging the MC. The power bleeder should do everything you need.
 
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