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      08-07-2012, 01:12 PM   #33
serge1
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Drives: X5 35d
Join Date: Oct 2011
Location: Seattle

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2011 BMW X5 35d  [0.00]
Quote:
Originally Posted by NRG View Post
Winter time the D gets hungry due to very cold temps and snow/decreased traction. 60% of the time the Xdrive has to work decreasing the MPG dramatically in our canadian winter. I usually get around 17 combined during those months.
I think the MPG go down because of the additives in winter diesel. There's simply less actual fuel in the tank.