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      01-17-2017, 10:43 PM   #8
txx3ddq442
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Drives: 2007 M Coupe, 2015 X5
Join Date: Jul 2005
Location: New Orleans, LA

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I assume both M Laptimer and M Drive Performance Analyzer use the in-car GPS. Any idea what the update frequency is (1Hz?) or if an external GPS can be used?
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