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      04-14-2011, 03:17 PM   #21
marv85
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Drives: '07 E92 335i MT
Join Date: Jun 2010
Location: Bay Area

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Quote:
Originally Posted by Mr. 5 View Post
Was this GPS or with only the speedo?
The speedo is extremely inaccurate especially at these speeds.
Yes Air resistance is the key. It's not a linear relation with speed but rather exponential.

About that video I saw, I couldn't find it. I found this one though : 335Xi, 335xi, jb3 2.0, map #9, ms109, Meth,CL DP, Helix fmic, AA exhaust, DCI.

it did 300km/h based on his GPS (dunno how accurate those are compared to Vbox)

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