I have not noticed the drop in torque, but maybe more of a lull. I have noticed the sudden pull especially when accelerating around 2K-2.5K rpm. It reminds me of the slight turbo lag on my old Porsche. I mentioned this to Dinan as well. It's funny though, once you know what to expect, you start unconsciously developing/managing the issue through pedal pressure. I am going to try placing cruise control on over some hills and see what happens.
I am still happy with this tune...more power for the 230i and no error codes. Probably right to close this thread.
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