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      09-22-2009, 11:51 AM   #4
Once upon a time ......
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Drives: 2008 JB E92 - SOLD 5/2010
Join Date: Sep 2008
Location: Asti, Italy & Austin, Texas

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2008 E92 335i  [4.00]
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Are these the "Premium" rotors? They don't look to be painted/zinc coated ........... which I'm guessing is why the cost is less. If they aren't zinc coated then they WILL rust.
The surface will stay clean but, the drilled holes and slots won't.

More info on these rotors? Premiums are only available with the zinc coating on them whether silver or black. Black zinc coating would have the rotors looking like this out of the box ....