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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 10-15-2009, 05:39 AM   #1 (permalink)
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Why does only cold air comes out of the rear vent?

When i have the heat on..the rear vent on the armrest only blow cold air? Why is that..anyone know why?
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Old 10-15-2009, 06:31 AM   #2 (permalink)
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I don't know either. But I noticed that my e34 does the same.
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Old 10-15-2009, 06:51 AM   #3 (permalink)
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In my 7 cold also comes out of that vent and the hot air comes from under the seats, why I dont know...maybe the vent is for cold air-con only..
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Old 10-15-2009, 08:43 AM   #4 (permalink)
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My E34 had cold and warm air coming out the back vent, but the E39 is only cold. One time I was messing with it and i reached back and it was warm...but I have never got it to do that again.
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Old 10-15-2009, 05:40 PM   #5 (permalink)
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i thought i did something wrong..
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Old 10-15-2009, 07:11 PM   #6 (permalink)
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What year is your car?
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Old 10-16-2009, 06:49 AM   #7 (permalink)
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Because it's a fresh air vent only ... aka air from the outside. You won't get cool or warm air through it, just fresh air from the outside.

That said, in my old e34 something screwed up where I wasn't getting warm air from the dash, but it was blowing out of that vent ... somehow. Damn electrics.
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