Originally Posted by BigBoosting
I'm in the same boat. The 9-10 stage 3 map maxes my fuel trims, I don't have the intercooler or DP's just DCI's.
From what I have seen, some DME's have a larger window for fuel trims than others. In my case and most likely yours we got the low end of that range.
Why are you running Stage 3 without supporting mods?
Current: 1997 E36 M3, 2015 F80 M3
Past: 2011 E92 M3, 2011 E92 335is, 2008 E90 M3, 2007 E92 335i, 1995 E36 M3