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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > new stoptech brake grinding when coming to a stop ?



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      10-27-2012, 11:30 AM   #1
335okc
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new stoptech brake grinding when coming to a stop ?

I replaced my rear pads and rotors with stoptech street perf pads and cross-drilled rotors.
immediately i felt and heard grind when i come to a complete stop.
i figured maybe i just need to bed in (rear brakes only so far, so it's not even that important).
i took my car to my usual auto-x place and put the brakes to its paces.
the rear was billowing white smoke by the time i was done.

brake grind was gone, until a week later it grinds again.
i'm starting to think it might be the guide rod binding? i'm not an expert, any 2cents would be appreciated.
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      10-29-2012, 09:30 AM   #2
madmanhiker
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2 weeks into that same setup - zero issues. Make sure your brake rotor set screw (hopefully you changed to stainless - link here - and put thread lock on it!) and you are following the correct bed-in process. This is a pretty sweet setup and there should be no grinding - no squeaks - nothing. Grinding means something out of alignment - it needs to be checked. Good luck.
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      10-29-2012, 10:21 AM   #3
335okc
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Quote:
Originally Posted by madmanhiker View Post
2 weeks into that same setup - zero issues. Make sure your brake rotor set screw (hopefully you changed to stainless - link here - and put thread lock on it!) and you are following the correct bed-in process. This is a pretty sweet setup and there should be no grinding - no squeaks - nothing. Grinding means something out of alignment - it needs to be checked. Good luck.
that link would've been nice 2 weeks ago lol. i reused my set screw since i didn't have problem getting it out and there were no rust.

anybody know what to check?
i'm not detecting any other problem besides the grinding, i wonder if it's a worn clip or seized guide bolt?
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