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      01-04-2013, 10:50 AM   #66
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Drives: 2011 X5M + 2006 M3
Join Date: Oct 2010
Location: Miami

Posts: 152
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Congrats, killer brakes awesome photos!
What is the difference in performance between the 345 mm rear rotors and the 380 mm
I know that most of the work is done by the front brakes, so my logic would suggest that by going with 345 mm rears as opposed to 380, you will be reducing the unsprung weight even further and saving some money without compromising braking performance too much.
Does that makes sense?
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