Originally Posted by Joe@Bavarian
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.
Cool picture! thanks for sharing! May I ask what brand the one is on the right ?
Pictured above: Smart Car circa 1955.
'01 530i, ///M Sports Package, Xenon lights, Steptronic A/T, icelinkPlus iPod module
'04 328i, Sports Package, Xenon lights, Dice iPod module
Last edited by BeemVerg; 05-30-2011 at 12:59 PM.