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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?
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E90 M3 ZCP 2010
E92 335i 2007 black edition
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