Quote:
Originally Posted by clubspec330i
Will it make me sad that I have 453HP M550i, absolutely not.
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BMW always under rates their engines, as you know. The G30 M550 evidently took that to another level. You are not driving a 453 HP M550i, various dynos posted confirm Dinan published results (done on 2 machines including a Mustang).
I also agree, this car is plenty fast and Dinan's Stage 1will likely get it closer the new engines actual output. Interested to see real work dynos on the new car - the M5 Comp was way under rated.