Originally Posted by checkmate
I concur with Isak/Besiktas here. My car is a 2011 E90 M3 bone stock. I only pulled a best of 335.8hp whereas his 2010 E92 with the 240E software pulled 358hp. Both of us have MDCT and run on stock 19 wheels.
The 15-20hp increase due to the software update is warranted and legitimate.
This is more likely true if both of you were on the same Dyno Dynamics and both runs were reported in the same mode with the same settings. I assume that was the case?