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      11-29-2012, 10:31 PM   #1
TenshiWingusu
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Drives: '07 335xi
Join Date: Jul 2012
Location: United States

Posts: 103
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Fuel trims real high then real low in the same pull

Hey everyone, got my PROcede back from Vishnu yesterday, plugged it in and it runs great. Loaded the 9-10 Aggressive Stage 1 maps on and started playing around. Kept maxing my fuel trims +34% so I eventually took the start boost back to 15% and my OL fueling up to 100% and this was the result... My fuel trim goes high but under the threshold and then throughout the pull it drops negative just as high as it was positive... I searched around and couldn't find anyone else's logs that showed it going negative? My AFR looks a bit jumpy as well... Any thoughts? I'm probably going to switch to the 7-29 auto tuning maps but I figured this was showing an underlying problem that i cant seem to figure out yet.
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Vishnu PROcede 2.5SE, BMS DCI, Evolution Racewerk Charge Pipe, HKS SSQV4
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