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      01-22-2013, 09:33 AM   #4
rorkor
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Drives: '11 E90 N52 6MT
Join Date: Feb 2012
Location: here

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Garage List
2010 E70 X5 35d  [10.00]
2011 E90 328i  [10.00]
I have stock brakes on my E90 but have put the stoptech big brake kit on my wife's e46 and the track rat has it too. They have slotted rotors. Some cross drilled rortors will crack from the heat cycles under extreme conditions on track. Slotted and cross drilled is a bit of overkill as the gas gets out efficiently with either method alone. I have warped both kinds. The upside of cross drilled is the lighter weight lowering mass at the wheel.
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