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      04-13-2024, 03:00 PM   #63
chris719
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Drives: '08 M Roadster
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Quote:
Originally Posted by JABCAT View Post
Exactly, the "dust" all over the wheels is from the brake pads. I'm honestly confused by those who think it's from iron rotors.
Because some people can do basic math and see that 1 mm off the rotors is a lot more material than 1 mm off the pads. How dusty the pads are is not coincidentally proportional to bite. The ratio varies but clearly the rotor is a large contributor, especially if you consider CCB and PSCB brakes where the rotor is extremely hard and does not wear much yet the pads are not that far off normal brake pads and there is almost zero dust.
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