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      09-08-2012, 08:25 AM   #150
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Drives: BMW 335i FBO COBB
Join Date: Mar 2012
Location: Sweden

Posts: 144
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Adaptions after mapping is one thing, and sometimes you can feel a little hesitation when you step on it right after changing map.
What I was referring to was adapting fuel trims because of change in fuel. I see high variance on STFT right after refueling but they go down as ECU learns. At least that is how I interpret it as it runs very well and STFT gets less active. I guess LTFT should show if it learning or not..right?
E92 335i twin turbo 2007
ETS ER VRSF BMS AST4150 Megan APEX Cobb JB4 Aquamist
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