Fuel pressure looks very close with only minor dips, this shows great results for an E47 Stage 1 or Stage 2 tune on the OEM turbo. Will you go to E40-45 next? 5th gear WOT pull? Hope you're DSG. The best range for clean data is 2,000-7,000 rpm in 4th gear, traction control off, windows up, level surface. The same can be done in 3rd gear but do individual runs, not 3rd then shifting to 4th and taking it to redline in the same exact log. Just do straight 4th gear runs.
Hoosier, the K04 is completely different, the logs I've collected thus far show a definite decrease in fuel rail pressure and an increase in injector duty cycle of almost 10% on E25. When my direct port meth system is turned on, everything levels out again without any issues. It seems that to counter the negative effect of running more ethanol on a K04 tune that we need to offset the fueling systems shortcomings with a water meth system. I will be testing E30 or E35 next for comparison.