Quote:
Originally Posted by aka_phox
It should not be limited...I had the speed limiter removed. But havent REALLY checked to see if it is or not. Is this how the car reacts when it hits the limiter 150mph/250kph?
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No. At 1:39 in the video, it can clearly be seen that the revs were limited exactly when the coolant warning lit up - just look at the outer ring of the rev counter. That was "limp mode", not Vmax limiting when gas is cut at a given wheel speed regardless of RPM.
Nearly all results from a dyno run (power, torque, gear losses) are calculated from the exerted force at the wheel and via known parameters like wheel diameter, gearing and so on. From the fact that torque was wrong, we can assume that gearing was miscalculated. Thus, losses are incorrect. The exact RPMs at which maximum power is reached can be anywhere between 7500 and 8600, especially with a tune, so you can tell almost nothing from this run apart from: "power at the wheels was no less than ..." and even that I believe only because it's an M3.