BMW M3 Forum (E90 E92) - View Single Post - Cleaning cross-drilled rotors?

Richbot · 11-25-2012, 11:02 PM

Galvanized!?

No. The floating rotor is bare iron. Look at photos of oxidation inside the holes and inner radius on used rotors for proof, or just know what a zinc coated part looks like and realize they aren't coated...

11-25-2012, 11:02 PM	#11
Richbot Major Drives: Jerez Black E90 Join Date: Sep 2007 Location: STL Posts: 1,487 iTrader: (1)	Galvanized!? No. The floating rotor is bare iron. Look at photos of oxidation inside the holes and inner radius on used rotors for proof, or just know what a zinc coated part looks like and realize they aren't coated... __________________ Last edited by Richbot; 11-25-2012 at 11:56 PM.