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      12-09-2019, 07:55 PM   #17
chris719
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Drives: '08 M Roadster
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Quote:
Originally Posted by Tag View Post
Can't see how the calipers could have seized up, they're all aluminum. Even with heavy rust on the rotor itself still can't see you dragging a tire to free it, that's nuts. Sounds like you might have a bad wheel hub bearing.
I am not saying this is the root cause, but I do believe the pistons are stainless steel on the 2NH brakes (for thermal reasons).