I have a Foxwell 520(?) Scanner. Where would I locate fuel trim testing? There is a Live data option with a number of choices. Hence my previous comment about the lack of details from their instruction manual or my inability to find the information.

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2001 x5 3.0 (sold with broken motor), 1990 e30 M3, 1991 318is, 2002 325i, 2008 335i Dinan stage 3 6 speed,