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mikew2069 · 11-22-2012, 07:34 AM

I don't think there's a specific procedure rather than it normally just takes about 1000 miles or so before the exhuast is broken in.

11-22-2012, 07:34 AM	#11
mikew2069 Lieutenant Colonel 413 Rep 1,975 Posts Drives: F30 335i MSport Join Date: Oct 2012 Location: Houston iTrader: (2)	I don't think there's a specific procedure rather than it normally just takes about 1000 miles or so before the exhuast is broken in.
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