E46Fanatics - View Single Post - Changing diff fluid. Oem or not?
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Old 06-06-2012, 07:31 PM   #26
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Join Date: Jun 2009
Location: Frederick, MD
Posts: 79
My Ride: LSB M3
FWIW, I have 391 gears recently installed, they used non OEM diff fluid, and it made noise, added the OEM with FM booster, no more noise, AT ALL! I'm telling you guys, the stuff is unmatched!
2001 M3, LSB 6spd, purchased 6/09 with 25K miles.

Mods: Coyne Performance built ///M3
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