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      11-11-2014, 09:42 PM   #2
mikikuki7
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Drives: Searching for X6M or M8
Join Date: Feb 2012
Location: South Texas

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Quote:
Originally Posted by EIGHTLUG
I'm currently running the factory DUNLOP RFTs. Air pressure @ factory spec. My speedometer reads 3 MPH less than GPS (2 Phone apps and one Garmin) @ highway speeds (75-85). Anyone else experiencing this? Is there a fix?
Yes, about the same 4mph. I use radar, and my radar picks up 72 and I'm driving 75-76mph.
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