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Old 11-04-2012, 01:46 PM
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ndabunka ndabunka is offline
'12 X5 35d Black-on-Black
Location: Charlotte, NC
 
Join Date: May 2009
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Mein Auto: X5d Ski Machine-Blk Betty
Quote:
Originally Posted by Penguin View Post
Seeing you are in Chicago, you probably are now getting "Winter" diesel fuel, which I have found drops my MPG a bit. Winter diesel has a lower energy content due to blending-in "lighter" fuel to ensure it doesn't gell or cloud-up in Winter temperatures.

I've also noticed that my diesel get really bad MPG until it warms-up to operating temperature. So if you city driving also includes short trips, you will take a big hit in MPG in cold weather.
You COULD always warm the truck up before driving it so that the only "waste" would be at idle. That should save some fuel, no?
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'12 X5d Sapphire/Black/Bamboo, Sport (ZAP), Premium (ZPP) & Premium Sound(ZPS) packages: 20" 214's, OEM Hitch
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