Originally Posted by
waxxonMTL
I understand all this, before the s4, i had a 650whp skyline that has been dynoed on a mustang and a dynapack numerous times.. I'm well aware of all this. Every dyno read different and its easy for a tuner to play with the calibration to end up with the numbers they wish to show lol.. the real test would be to take it to a 1/4 miles run :)
OP ; It's nice you shared those numbers with us, don't get me wrong, no one should be offended by my comments. my point was more like.. maybe something is left on the table here !
Agreed. I wish I had a baseline from stock to compare from. I know vendors sometimes inflate their HP numbers so I take those with a grain of salt. Never thought, I'd actually mod this car this early on and even get the opportunity to dyno this car.
If it makes any difference, my brother was with me and he dyno's his tuned 2015 M5, he doesn't have an aggressive tune. And there was a x5m as well. My brother's M5 was putting down 620whp and the x5m was putting down 506whp. Stock.. the two cars share the same engine but obviously the trannys differ, m5 (7 spd dual clutch) vs x5m (8spd awd), so that may affect the numbers a bit.
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