Quote:
Originally Posted by speedyman
14.5 afr is pretty darn lean for FI or is that OK on these motors? I've been away from this stuff for at least 10 years maybe things have really changed. The tunes we used and tweaked never went over 12.8 at the absolute most. afrs in the 14.5 range on a forced induction motor on the street were unheard of.
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We are DI motor. The high pressure on the injectors atomizes fuel exceptionally well, so targeting 12.x:1 days on most BMWs are long gone. You can see the stock AFR is virtually identical.