Quote:
Originally Posted by mikewads
Just some more info to confirm:
On my US M3 I went 168 according to the dash, but my GPS said I was only going 162.
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That was before you upgraded your exhaust and ecu ?
Quote:
Originally Posted by elp_jc
That's a 3.7% error; very typical. And you did that on a 'track', correct?  |
elp whats with you and the "track"
? your making me wonder !