Quote:
Originally Posted by 335iRlz
So lets say there is a 3% drivetrain loss factor...
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3% is that a typo? Most folks use 15% although I think the current E92 probably has total losses closer to 12%.
Quote:
Originally Posted by RSXDC5
I was giving a more conservative number to start, although I do believe the car will dyno around 405whp stock though. That's about a 5% drivetrain loss.
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Ah, I think I see how you guys are doing this, but it's really misleading. When a car is underrated you call that a low drivetrain loss. That screws up calculations and is entirely non-physical. The loss for the car will probably be 11-12% and it will probably be underrated producing right about 400 whp.