Quote:
Originally Posted by Alex07M3
Is the 480-500whp JB4 tune used in your test's the same as the one used by this M4 that seem to be about equal with a stock 460bhp Stingray!?
http://f80.bimmerpost.com/forums/sho....php?t=1020694
Just wondering cause I was expecting tuned M4s to be much faster then stock Stingrays as the trap speeds suggest, 123-125mph(JB4 M4) vs 118-120mph(stock Stingray)!
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The Stingray had the hit and the M4 had two passengers....