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      10-07-2012, 01:15 AM   #4
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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Yep you have to drive it two to three times

Yep you have to drive it two to three times and get an average
or reading on three separate days at standard air temperature and pressure
while driving on a level surface before you can have any confidence in
what it's telling you.
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