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      08-30-2018, 11:23 AM   #66
pruettfan
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Drives: 2017 M2, LBB, DCT, Exec
Join Date: Jul 2009
Location: Chandler, AZ

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Quote:
Originally Posted by M2TT View Post
Yes, both OEM pads and rotors.
Well, I believe it's a true warp since the mechanic used a machine to measure the "bend".

If it would be a coating there would be noticeable material on the top of the discs I believe?
Also I did a few more hundred Km since then and there's no big improvement.

Anyway, what is that cure?
Zero chance that you can "warp" these rotors with the OEM pads on track. Not possible, you have transfer of the brake material. Next time prep the car properly with track pads, and proper medium viscosity brake fluid that has a high boiling point. Both will result in far better track performance that is safer and will not result in this problem. I have brought my rotors to well over 600 degrees F every session and after more than a dozen days on track not a problem. It is important to note that track pads are not desirable for day to day driving so most of use swap pads before the weekend.

Best of luck
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