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      11-15-2012, 07:26 AM   #6
Drives: 2007 335i E90 ZSP
Join Date: Oct 2008
Location: Buffalo NY

Posts: 497
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Originally Posted by pinto View Post
Got the kit too. My trims hit 15% at spool up and decrease to -5/-8% after spool between 4500 to 7000 rpm. I'm a little leaner than you: 11.8/12.00:1
It's strange you max out trim since i use more boost too.
Yeah, I would expect a lower fuel trim like yours and I would also agree that the car seems to be targeting a pretty low AFR . What kind of boost levels are you running?

Originally Posted by pits200 View Post
What do you have your ol fueling set to? Or do you not touch that with the flex kit
Flex fuel maps say that there is no need to touch the user adjustables.
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