Quote:
Originally Posted by epiphone3
I've always understood that the M5 was making more like 525 - 535 horsepower. Turnermotorsports claims this as well... I am not sure that the SMG should such a high drive-train loss coefficient as 15-17%... it is a manual transmission.
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I've asked the question on M5Board. Maybe some owners will pipe in on this . . .