Quote:
Originally Posted by ronin951
+1. 10lbs is a lot of rotating mass. There's some multiple, at least with wheels, that will tell you the effective difference in curb weight. I think it's 5-10lbs per pound, but someone should correct me.
Also the calipers are very light. I was shocked when I picked one up. No numbers, sorry. I haven't personally seen 335 M-sport brakes, but the M-performance calipers seem very rounded and hollow. As if they hold more fluid.
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Damn, I wish that I had weighed my M-Performance calipers/rotors before I had them installed. With that said, the front calipers of the M-Sport/M-Performance brake upgrade are the same as the OEM 2014 335i M-Package brakes, so there was really no gain there except for the front rotors/pads and the aesthetic appeal of gold calipers with ///M logos..