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      03-10-2013, 07:03 PM   #8
mike519
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Drives: 2018 M240i
Join Date: Apr 2012
Location: Waterloo, Ontario

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Quote:
Originally Posted by aerobod View Post
I think the new thickness for the front rotors should be 28mm on the front and 20mm on the rear, with 1.6mm total wear to min thickness, from what I measured on a new set?
Yeah, did a little more searching and found the minimum is 26.4 front and 18.4 rear so you are bang on. My fronts are at 27.1 and rear is 19.4 so I am good for now but may need to replace at last the fronts after a track day or two this summer!

Funny though, the numbers that are stamped on the rotor hats do not match up to anything relevant to these numbers.
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