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      06-15-2021, 10:52 AM   #193
EricVR4
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Drives: 2023 X3 M40i
Join Date: Mar 2018
Location: Houston, TX

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Quote:
Originally Posted by swagon View Post
Man, that's fucking weird.

I've had 1.11s on since September with four track days under the belt and no brake judder whatsoever.

Have you had only OE rotors? Might be time to swap some Girodiscs or similar. But damn. That sucks balls.
Yeah, all OEM rotors. They're fine for 500-1,500 miles and then the judder comes back and I can't get rid of it.

Forgot to mention I put new wheels/tires on as well thinking maybe there was an issue with the hub/mating of a refurbished wheel the previous owner had. No dice.

My only guess now is either caliper/piston issues, or something suspension related. It's just odd that you really only feel the judder between 40-50mph, other than that the car is smooth. I'd hate to dump a bunch of money on aftermarket rotors only for the problem to happen again.
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2023 X3 M40i | 2018 M3 Comp - Sold | 2017 340i - Sold | 2014 328i - Sold
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