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brake shudder after track day . . .

Old Sep 27, 2020 | 10:54 PM
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'19 E63S
brake shudder after track day . . .

just finished a track day where the brakes were used quite heavily and I did not seem to have any problems during the day. Til I got back on the road and applied brakes for a slow down and the sound that came from the brakes is not the most pleasant and they are somewhat shuddering a bit. Is that to be expected or is there something going on that needs addressing?
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Old Sep 28, 2020 | 12:19 AM
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2020 E63S Wagon | 2016 F83 M4
Probably it’s the brake pad(s) and/or the rotor(s). Happened to my M4 once after a few track days. It sounded awful.
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Old Sep 28, 2020 | 07:23 AM
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Deposits left on discs .
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Old Sep 28, 2020 | 10:45 AM
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Originally Posted by Gazwould
Deposits left on discs .
i don’t suppose it’s something that can be resolved except by replacing pads and rotors? I was reading another extended conversation in this forum about warped rotors etc and it sounds like I’ll be looking for replacement as well and it won’t be stock either ....
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Old Sep 28, 2020 | 11:00 AM
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Originally Posted by Gazwould
Deposits left on discs .
I concur. Used to do a lot of track days ages ago and it was common afterwards, at least on BMWs. As far as I can recall it they wore off in a short bit. Rarely ever changed pads or rotors.
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Old Sep 28, 2020 | 02:35 PM
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Maybe a brake re-bedding in would clean off the pads and rotors and restore smooth operation.
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Old Oct 3, 2020 | 09:58 AM
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Originally Posted by sixfive
just finished a track day where the brakes were used quite heavily and I did not seem to have any problems during the day. Til I got back on the road and applied brakes for a slow down and the sound that came from the brakes is not the most pleasant and they are somewhat shuddering a bit. Is that to be expected or is there something going on that needs addressing?
Warrantied to 22.5k miles
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