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Asbjorn · 06-01-2015, 10:06 PM

Anyone knows if running meth helps to clean carbon build up on intake valves? And how about influence on mpg in daily use if running off duty cycle and boost?

06-01-2015, 10:06 PM	#24
Asbjorn Captain 90 Rep 833 Posts Drives: Z4 N54 DCT (VTT GC lites) Join Date: Mar 2012 Location: European in China iTrader: (0)	Anyone knows if running meth helps to clean carbon build up on intake valves? And how about influence on mpg in daily use if running off duty cycle and boost?
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