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reRESERVEDMD · 11-28-2009, 10:02 PM

It is so that the gunk doesn't build up in the engine. That's how carbon deposits are made.

11-28-2009, 10:02 PM	#3
reRESERVEDMD oO (\|\|\|\|) (\|\|\|\|) Oo 2 Rep 43 Posts Drives: BMW Z4M Join Date: Nov 2009 Location: Downers Grove, IL iTrader: (0)	It is so that the gunk doesn't build up in the engine. That's how carbon deposits are made.
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