FYI.... RealOEM.com provides the minimum rotor thickness when you click on the rotor part number. The F85 X5M rotors have the same dimensions front and rear to the E70 X5M.
As mentioned in previous posts:
Front PN: 34116789069
Front Diameter: 395 mm
Front New: 36.00 mm
Front Minimum: 34.40 mm
Front Rotor Link:
http://www.realoem.com/bmw/enUS/part...&q=34116789069
Rear PN: 34216795318
Rear Diameter: 385 mm
Rear New: 24.00 mm
Rear minimum : 22.40 mm
Rear Rotor Link:
http://www.realoem.com/bmw/enUS/part...&q=34216795318