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      01-13-2011, 12:43 PM   #26
Mr. 5
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2007 e90 335i  [8.00]
Quote:
Originally Posted by The HACK View Post
THAT is why they call them "floating rotors." The rotor ring floats on top of the hub using fasteners that minimizes contact between the iron ring from the aluminum hub.

See diagram:



That's why the 2 piece rotors from BMW is inferior in that while it technically IS two piece, they're not floating rotors. True BMW floating rotors are those that comes on the E46 M3 CSL, ZCP, and MZ4.
I agree except I believe that RacingBrake likes to refer to their rotors as "sliding rotors" because they have more of a sliding affect rather than a floating affect. They have an oblong hole to slide back ans forth.

Quote:
Originally Posted by SpmnE9zero View Post
what an incredible write up!!!!
thank you for all your insight!
Thanks you sir.
I'm glad you appreciated it.
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