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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 10-11-2010, 11:19 AM
euroukie euroukie is offline
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Location: new york
 
Join Date: Oct 2010
Posts: 6
Mein Auto: 2000 BMW m5
Question bmw e39 heat and a/c air not blowing???

hello i have a 2002 bmw 525i sport package and i have a problem 2 days ago heat in my car worked as well as a/c but the next day i turned on my car and no air coming out from vents...i read threads that it might be the fsu but my fan isnt on when the car is off and also i checked fuses 74 and 75 and they are fine...another thing when i turn on my climate control i hear a noise like if i turn on..if you guys can tell me what the problem is i would really appricate it....i took off the fsu thinking if it is it but i dont want to buy it for no reason thanks
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  #2  
Old 10-11-2010, 11:28 AM
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bmw_n00b13 bmw_n00b13 is offline
Freude am Fahren
Location: Cambridge, ON
 
Join Date: Feb 2008
Posts: 6,372
Mein Auto: 99 528iA
It could still be the FSU. Is the HVAC unit display working fine? Do you have the blending wheel in the middle of the two vents on the dash adjusted correctly?
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'99 528i ('98/12 build). 174,000km BY29428/Royalrot
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  #3  
Old 10-11-2010, 11:51 AM
euroukie euroukie is offline
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Location: new york
 
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Mein Auto: 2000 BMW m5
yes the display hvac works and the adjuster is set properly also..thanks for the reply
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  #4  
Old 10-11-2010, 11:59 AM
edjack edjack is offline
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Location: San Jose, CA
 
Join Date: May 2007
Posts: 10,837
Mein Auto: '97 540i 6 speed
My FSU died twice. The first time, the blower was erratic; the second time, it would not run.
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Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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  #5  
Old 10-16-2010, 06:24 AM
howie_lfc howie_lfc is offline
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Location: UK
 
Join Date: Oct 2010
Posts: 2
Mein Auto: BMW 33d 2002
I have been having the same problem with mt E39.

I found this thread on here.....http://www.bimmerfest.com/forums/sho...d.php?t=309399

I was very sceptic but what do you know it worked like a dream.

You know what this is a great site!!
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  #6  
Old 07-01-2015, 07:03 PM
718bam 718bam is offline
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Location: nyc
 
Join Date: May 2014
Posts: 37
Mein Auto: 528i
surprised there are not more responses.
My 2000 528i has similar issue, the digital display works but at neither high nor low speed does any air , hot or cold , come out any of the vents inside the cabin.
i searched and found nothing.
any suggestions please.
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  #7  
Old 07-01-2015, 07:45 PM
edjack edjack is offline
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Location: San Jose, CA
 
Join Date: May 2007
Posts: 10,837
Mein Auto: '97 540i 6 speed
The common problem is a failed final stage unit. Search on this term.

Buy from a reputable supplier. Ebay stuff is typically junk.
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Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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