BMW 3-Series (E90 E92) Forum - View Single Post

ChiDiddy · 11-12-2010, 11:32 AM

i'm still curious on what the tune actually does. does it increase boost and adjust fuel/timing? or does it optimize just fuel/timing per xx psi...

11-12-2010, 11:32 AM	#17
ChiDiddy 50 19 Rep 230 Posts Drives: pop smoke Join Date: Jan 2009 Location: Houston iTrader: (0)	i'm still curious on what the tune actually does. does it increase boost and adjust fuel/timing? or does it optimize just fuel/timing per xx psi...
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