Quote:
Originally Posted by Shipkiller
It's not a 'lip' spec, but a overall rotor thickness specification.
As stated above, the minimum rotor thickness is stamped on the edge of the rotor. Normally, for the Z4M OEM rotors (ATE), the minimum front thickness is 26.4mm and the rear thickness is 18.4mm
OEM rotors start out at 27.2mm and 19.6, respectively.
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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?