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      05-06-2013, 01:00 AM   #13
swamp2
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Drives: E92 M3
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Quote:
Originally Posted by signes View Post
Indicated 200, no doubt impressive but would love to see a real, GPS-based (or other non-speedo measure) speed for this run and the other thread. Downhill (a lot) plus a tail wind (a strong one) maybe...
Exactly.

You were going in the range of 190-195 mph. Those numbers are consistent with a 3-4% speedo overage and about 35-40 hp over stock. You just do not have the power to hit 200. Have a look here for a useful formula.
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