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      05-14-2012, 07:16 PM   #13
Elk
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Drives: 2012 335i
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Quote:
Originally Posted by verbs View Post
I've never seen rotors where the holes weren't drilled all the way through; what's the benefit of what was done with the holes that don't go all the way through on these rotors vs. most other performance rotors?
Both dimpled and drilled rotors offer no performance advantage over plain rotors; they are there for looks alone. Dimpled have the advantage of cracking less. Drilled rotors quickly develop stress cracks with harder use.
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