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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 01-23-2011, 05:23 PM
listerone listerone is offline
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Location: Connecticut
 
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Mein Auto: 2014 328d
Diesels & COLD Weather

Since before I bought my "d" I've been concerned about cold weather problems.I've read many stories (before and after my purchase) about diesel fuel "gelling" which could cause the engine not to start or even to die after having started.I also heard from the dealer that the DEF can freeze and,conceivably,cause it not to start.Last winter,my first with the "d",-2F was the worst I experienced and there were no problems.

Well,yesterday morning...*much* to my surprise...my "d" started like a champ at -24F.No garage...no battery charger...no block heater...no fuel additives.It sat for 12 hours in below zero weather beforehand.Amazing (IMO,at least)

After starting,I let it idle for a few minutes before starting my journey and for the first 30 minutes I took it easy so as to allow the engine,transmission,etc to "warm up" gently.For the first few minutes it sounded,and felt,like a bulldozer.For the first little while the tires felt like bricks (yes,in anticipation of the temps I ensured proper tire inflation for -20F).Also in anticipation I made sure to fill up before stopping for the night at a local Shell station which,I assumed,would have fuel suited for their climate.

About the photos...the second one was taken a few minutes after starting out.It was few miles down the road in a bit of a valley where,I assume,it was a bit colder than in the "big city" (laugh,laugh) of Val d'Or,Quebec which is in the central part of the Province...well north of Montreal.

So all you diesel owners and all who are tempted....fear not.Today's diesels,assuming the battery's properly charged and the use of "region-specific" fuel,will start just fine and will run perfectly after a little bit of warming up.
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  #2  
Old 01-23-2011, 05:30 PM
black_fx_35 black_fx_35 is offline
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Location: Charlotte, NC
 
Join Date: Dec 2010
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Mein Auto: 2011 X5D
Quote:
Originally Posted by listerone View Post

About the photos...the second one was taken a few minutes after starting out.
35+ MPG!!! How are you getting that???
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  #3  
Old 01-23-2011, 05:45 PM
listerone listerone is offline
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Quote:
Originally Posted by black_fx_35 View Post
35+ MPG!!! How are you getting that???
Mine's the 335d...a smallish 4 door sedan.I doubt that one could get that kind of mileage in the (much?) heavier X5d.And,for the record,35mpg is nothing.The trip up to Quebec was *very* cold (close to zero for the last 4 hours) and *very* hilly.In my experience both these factors hurt mileage.In "ordinary" highway driving I easily get 42mpg.
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Formerly:2011 MB E350 Bluetec / Palladium Silver / Nav / Active Cruise / HarmonKardon Logic7
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  #4  
Old 01-23-2011, 07:32 PM
alexmish alexmish is offline
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Mein Auto: 2013 X5 35d loaded
i had similar experience with cold temps, started and run fine every time!
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  #5  
Old 01-23-2011, 07:52 PM
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quackbury quackbury is offline
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Location: Not In Kansas Any More
 
Join Date: Dec 2005
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Mein Auto: 535i M Sport; 328i Wagon
Wow. Donner Party, anyone?

At 30 below I'd be equally / more worried about other stuff that doesn't warm up with the motor. Plastic trim bits shattering, electrical gremlins from condensation freezing, brake pads freexing to rotors or calipers, whatever.

Boston feels positively tropical tonight by comparison.
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Prior BMW's
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