Thread: King Tut's Active Autowerke Custom Dyno Tuned Experience
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      10-28-2009, 07:06 PM   #39
sales@ESSTuning
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Drives: ESS M3 / M4
Join Date: May 2007
Location: AZ

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Quote:
Originally Posted by Technic View Post
How much is the average powertrain loss in this M3 engine? 17%, 20%, 30%?
If you rate in on the MAHA dyno that BMW uses its about 14%.
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