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      06-02-2014, 07:47 PM   #1
accce
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Standard Brake rotor ?

Are the standard rotors drilled or they fake like the M235i where they are only dimpled?
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      06-02-2014, 08:06 PM   #2
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Drilled through
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      06-04-2014, 10:38 AM   #3
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Here is some good info about the new brakes.

http://f80.bimmerpost.com/forums/sho...d.php?t=971411
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      06-04-2014, 10:59 AM   #4
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Dimpled isn't all bad, drilled rotors develop grooves and then crack at the holes with hard use. Dimpled or surface slotted you get gas relief without uneven wear patterns or cracks. For street use, it's mostly cosmetics.
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      06-05-2014, 01:50 PM   #5
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rather have dimpled and slotted.
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