Originally Posted by J-Spec Dan
I just got the flash performed at Speedsport Tuning in CT. I didn't notice the changes whatsoever until I did WOT acceleration from 40mph (~3500rpm) in 2nd. OMG. My 330i felt like it roared to life and smoothly accelerated all the way to redline.
I took some before/after footage...
You should feel the 15% throttle sensitivity increase.