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X5 E53 (1999 - 2006)
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  #1  
Old 12-16-2015, 06:43 AM
e53_luis e53_luis is offline
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Location: Paterson NJ
 
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Mein Auto: 2006 BMW X5 4.4i
Why does my x5 blow out cold air from the exhaust??

Everytime I start my e53 in the morning it blows out really cold air for some reason. I always use Exxon 93 gas. Anyone know why? Is it good or bad? I also have a couple Dinan mods installed

Last edited by e53_luis; 12-16-2015 at 06:45 AM.
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  #2  
Old 12-16-2015, 04:44 PM
grumpyoldman grumpyoldman is offline
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Are you serious? If you're referring to the cabin air temp, then I suggest turning the air-con off and allow the engine to reach operating temp. If you're referring to the exhaust temp, then of course it'll be cold at first - everything is cold when first started. Is this the first car you've ever owned or what?
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11/06 4.4i Stirling Grey over Black

66 Valiant slant 6 torqueflite (258K miles original)
68 Valiant slant 6 torqueflite (196K miles original)
71 Dodge Challenger 340 (68K miles original)
86 Dodge Ram 318 auto (86K miles original) on LPG/gas
93 Toyota Landcruiser turbo diesel (the workhorse)
08 Golf tdi six speed manual (the fun economy buzz-box)
09 Chrysler 300C SRT-8 (the thrill machine)
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  #3  
Old 12-17-2015, 09:05 AM
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QSilver7 QSilver7 is offline
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Quote:
Originally Posted by e53_luis View Post
Everytime I start my e53 in the morning it blows out really cold air for some reason.
Can you give more details or a explain in different words as to what you're trying to tell us? I'm sure I'm not the only one that is scratching their head...because how are you determining that the exhaust is "cold"...are you using some type of device that is measuring the temperature of the exhaust?

How are you standing behind the car as you're starting it to determine that the exhaust is cold? And as GOM mentioned in his response above...if the engine is cold...how would it have an immediate "hot" exhaust?

I just had a thought...are you interpreting something visible exiting the exhaust as it being "cold". If so, if the ambient temps are low...when you start a cold engine...there is condensate in the exhaust...when it hits the air...just like all water vapor...it changes either into steam or vapor or water droplets or ice etc. as the ambient temperature changes. (think simple science class stuff)
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #4  
Old 12-20-2015, 12:49 PM
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QSilver7 QSilver7 is offline
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Has the OP fallen asleep at his keyboard? Or should we just assume this thread is dead?
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #5  
Old 12-20-2015, 01:56 PM
grumpyoldman grumpyoldman is offline
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Dead as a Dodo....perhaps the OP realised just how ridiculous his question was?
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11/06 4.4i Stirling Grey over Black

66 Valiant slant 6 torqueflite (258K miles original)
68 Valiant slant 6 torqueflite (196K miles original)
71 Dodge Challenger 340 (68K miles original)
86 Dodge Ram 318 auto (86K miles original) on LPG/gas
93 Toyota Landcruiser turbo diesel (the workhorse)
08 Golf tdi six speed manual (the fun economy buzz-box)
09 Chrysler 300C SRT-8 (the thrill machine)
Assorted other work vehicles and farm machines...
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  #6  
Old 12-28-2015, 07:37 PM
2006X5 4.4i NYC 2006X5 4.4i NYC is offline
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Did you notice the dial in the center of the vents that have blue and red dots? Red ~ Hot ;Blue ~Cold
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  #7  
Old 12-28-2015, 07:59 PM
DjD-X5 DjD-X5 is online now
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You folks are being rather hard on the guy, probably why he hasn't come back. Did anyone notice he is talking about his exhaust not his interior vents?
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  #8  
Old 12-28-2015, 09:26 PM
munga munga is offline
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NICE, anyway our X5 regarding its exhaust was weird, I washed it for the first time(the car that is) and when I hosed the soap off at the back of the car I heard water boiling and steaming? What the frig? Upon closer inspection the little bit of water that entered the tail pipe was boiling and turned to steam, I've washed my cars in the past and never had that happen. Ever.
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  #9  
Old 12-29-2015, 08:50 AM
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QSilver7 QSilver7 is offline
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Quote:
Originally Posted by DjD-X5 View Post
You folks are being rather hard on the guy, probably why he hasn't come back. Did anyone notice he is talking about his exhaust not his interior vents?
I did
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg
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  #10  
Old 12-30-2015, 02:23 PM
grumpyoldman grumpyoldman is offline
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Quote:
Originally Posted by DjD-X5 View Post
You folks are being rather hard on the guy, probably why he hasn't come back. Did anyone notice he is talking about his exhaust not his interior vents?
Duly noted and offered two replies/suggestions.

Not to sound too cynical, but the query posed was somewhat strange to say the least. I wonder what sort of replies I could attract if I asked "Why is it difficult to see at night?".
__________________
11/06 4.4i Stirling Grey over Black

66 Valiant slant 6 torqueflite (258K miles original)
68 Valiant slant 6 torqueflite (196K miles original)
71 Dodge Challenger 340 (68K miles original)
86 Dodge Ram 318 auto (86K miles original) on LPG/gas
93 Toyota Landcruiser turbo diesel (the workhorse)
08 Golf tdi six speed manual (the fun economy buzz-box)
09 Chrysler 300C SRT-8 (the thrill machine)
Assorted other work vehicles and farm machines...
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