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Originally Posted by AFDanHef lol ... just kidding. Ok think of it this way ... if you were trying to stop the car by using your hands as the brake calipers ... which do you think would be easier, small rotors or large rotors? |
Small rotors, less rotating mass and weight/momentum to stop?
Wait.. assume the same speed and clamping capability of my hands the further away the slower the rotor is spinning and thus the easier it is to stop?
Oh btw it looks like the 128i has the same size 300mm rotor front and rear.