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      12-06-2018, 01:14 AM   #5
germ
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Drives: 2008 135i convertible
Join Date: Aug 2010
Location: CA

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Quote:
Originally Posted by Zombie_Head View Post
Brake caliper piston maybe sticking a bit and not returning to its proper position.

Could be numerous other reasons such as brake master cylinder, but that is in extreme cases. Did the piston go back into the caliper all the way easily when you replaced the pads? did you see any signs of cracked seals, leaking seals? cracked piston or even corrosion?
Yes, the pistons did go back all the way into the caliper after a lot of pushing. It was hard to get the new pads apart enough to fit on the new rotors. It's possible only if the pistons are all the way in.

I checked the pistons and they look good. Nothing like the pics you see online...
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