Did some more tuning recently: This is a 214k mile E46 M3 racecar built by EuroFed. Car has stock intake and headers/full exhaust.
Here is the progression when tuning:
Also tuned a fully stock E46 M3:
We also tuned a NASA GTS Racecar that we had previously tuned as OBD1. Car had relilability problems so was converted to OBD2 and Retuned.