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      04-13-2017, 10:33 PM   #35
moldcad
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Drives: M235i
Join Date: Jan 2013
Location: Poland

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Quote:
Originally Posted by aerobod View Post
Have you tried aggressive bedding of the pads, as described by a couple of us earlier in the thread?
No I did not - the pads need a clean rotor surface to lay down an even transfer film. Doing it with so much rust and pitting on the rotors could only worsen the situation.

Quote:
Originally Posted by aerobod View Post
It is definitely unusual, but from the fairly aggressive pitting could be caused by a chemical that is somewhat acidic or alkaline, perhaps a new type of road de-icing chemical that has been used in your area?
No, this is not the case. My other vehicle (Golf R) is absolutely fine; also watching other cars in my neighborhood I didn't spot a single one with the same problem. Last but not least, I'd have excessive rusting elsewhere on the car which I don't.

Piotr
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previous: 2003 E46 330i SMG
just sold: 2013 F10 528i xDrive
my AWD beater: 2015 Golf R mk7 DSG
my RWD pirate & long-distance cruiser: 2015 M235i AT8, LSD
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