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      10-15-2018, 10:21 PM   #12
BimmerPost Supporting Vendor
Jarek@JRAuto's Avatar

Drives: F30 340i
Join Date: Feb 2011
Location: Oakville, Canada

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Originally Posted by G.Newt View Post
I'm more interested in awhp and torque dyno numbers. If I do the usual 0.85 * crank hp/torque, these don't compare favorably to Mission Performance. This is assuming there is a 15% drivetrain loss.
I also know you can't compare dyno to dyno, but rather take the deltas into consideration. Still, I'd like to see something to give me an idea of what the car will put down to the concrete.
Thank you very much for your response. Just as you said, deltas matter more than anything. Our dyno has produced comparable values to the figures published by BMW. Many factors effect wheel horsepower. We believe it is enough to show the customer the information displayed above.