Your numbers are pretty stout!
especially your horsepower. Which tune and exhaust do you have? Throw on some downpipes and you will see a HUGE difference. I make 570 AWTQ on a dyno dynamics at Gintani. I will have to take it back to another shop that has a dyno dynamics and verify the numbers
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2014 M5...AMS downpipes, BMS tune, lead foot
2011 X5M....Downpipes, exhaust, dyno tuned
2008 Ducati 848....pearl white, Termignoni exhaust
CLS55 and C6Z06 (previous rides)