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      12-31-2012, 09:36 AM   #7
Focusedintntions
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Drives: 2011 135i M-Sport :D
Join Date: Nov 2010
Location: NoVA

iTrader: (1)

I know i definitely noticed a difference in steering. Not as dramatic as lightweight wheels and tires, but there is a noticeable difference in feel. As far a an acceleration difference I don't think you're going to find any. And FYI the hats on the OEM rotors are aluminum as well.
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