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      07-22-2009, 02:38 PM   #13
JCtx
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Drives: No BMW yet
Join Date: May 2008
Location: El Paso TX

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Quote:
Originally Posted by mikewads View Post
On my US M3 I went 168 according to the dash, but my GPS said I was only going 162.
That's a 3.7% error; very typical. And you did that on a 'track', correct?
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