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      04-21-2015, 02:51 PM   #73
karussell
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Drives: 4 wheels
Join Date: Sep 2009
Location: NorCal

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Quote:
Originally Posted by jphughan View Post
Do we know what that delta is? I remember reading in more than one place that the weight savings of CCB vs steel in general were wiped out on this particular car by the larger rotor size plus the larger caliper. Too lazy to look from my phone right now though.
rotors themselves lighter. bigger calipers are heavier. net effect is what 16lbs? so i give it 4 per corner.

http://f80.bimmerpost.com/forums/sho...d.php?t=923444


BMW M carbon ceramic brakes optional (in gold)
six piston front / four piston rear
6-7kg (13.2lbs - 15.4lbs) lighter overall than standard brakes
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