BMW M3 and BMW M4 Forum - View Single Post - Scratches on the exterior shadowline gloss trim

ASAP · 07-01-2014, 01:49 PM

OP, remove your valve cover and take a peek to see if there is any carbon build up. At 200-300 miles, I would start to be concerned in a DI motor.

07-01-2014, 01:49 PM	#9
ASAP Major General 10188 Rep 8,634 Posts Drives: '23 X3 M40i Join Date: Sep 2012 Location: FL iTrader: (0)	OP, remove your valve cover and take a peek to see if there is any carbon build up. At 200-300 miles, I would start to be concerned in a DI motor. __________________ 2 x N54 -> 1 x N55 -> 1 x S55-> 1 x B58
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