BMW M3 Forum (E90 E92) - View Single Post

Petros · 06-29-2014, 02:41 PM

iron is probably from the engine breaking in. Not sure about the copper. Definitely not the bearings since you have the newer version. Maybe some brass seals wearing in?

06-29-2014, 02:41 PM	#314
Petros Banned 62 Rep 1,381 Posts Drives: M3 Join Date: Jan 2014 Location: Canada iTrader: (1)	iron is probably from the engine breaking in. Not sure about the copper. Definitely not the bearings since you have the newer version. Maybe some brass seals wearing in?
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