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      12-13-2011, 03:08 PM   #20

Drives: 2014 Shelby GT500
Join Date: Apr 2008
Location: Vancouver, BC

Posts: 929
iTrader: (4)

I never found any information about why the rotors have different part numbers. In my case it didn't matter - my Canadian 2008 E92 M3 came from the factory with the correct rotor part numbers to use the Sport pads. I just wasn't willing to pay $1600 for a set, so that was that.