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Old 05-30-2011, 12:56 PM
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first540i first540i is offline
my first bmw
Location: SGV, CA
 
Join Date: Jan 2011
Posts: 338
Mein Auto: e39
Quote:
Originally Posted by Joe@Bavarian View Post
One thing to look for is the size of the cooling vein area. The larger the cooling area the greater chance of warping. Cheap rotors have a larger vein area so they can use less metal.

I found this picture that shows the difference from a Quality to cheap rotor.
hmmm this is really interesting.
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