Quote:
Originally Posted by pesarirany
I have recently Purchased a 2017 BMW M3 with only 40K Miles. The previous owner had changes the rotors to ceramic rotors possibly rotor size is 500mm.
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It's not so easy, or cost effective to change iron rotors to carbon ceramic, so I'm highly doubting that's what has been done. Secondly, 500mm rotors will not fit.
We need pictures before we go any further with any sort of diagnosis.
This is what I need you to show me, front and rear.
Top shot is the standard blue brake caliper and iron rotor. Bottom shot is the carbon ceramic caliper with carbon ceramic rotor.