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      01-18-2013, 11:45 AM   #4
pixelblue
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Drives: the silver bullet
Join Date: Feb 2010
Location: northern virginia


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2010 135i  [4.37]
not even worth upgrading to cross-drilled or slotted rotors unless you're going for looks. they won't offer any performance advantage plus they cost way more than factory provided discs. want to improve braking performance, start with pads and fluid and once you pass their limit on the track move to a BBK
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