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      02-03-2013, 12:01 AM   #2
CJ421
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Drives: 2017 F30 340i
Join Date: Feb 2011
Location: Philadelphia, PA

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I suggest OEM, it's a good quality rotor for nearly all applications, especially street.

Slotted rotors are good for high performance applications, mostly for heat-related reasons and because they give the pad better bite. They eat pads faster than normal rotors though. Also noisier.

Drilled rotors - I don't know why people buy them save for 'looks'; they only appear performance oriented to people that are not knowledgeable about performance applications (where slotted is superior in all cases I'm aware).
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2017 BMW 340i (F30) - M Sport, Mineral Gray/Coral Red, 6MT; Dinan exhaust
Past: 2011 335i (E92) - M Sport, Le Mans Blue/Black, 6MT