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  #1  
Old 04-18-2010, 08:15 PM
HLB HLB is offline
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Location: Australia
 
Join Date: Feb 2010
Posts: 74
Mein Auto: 1997 740il
Buzzing in dash

Hi,

Does anyone know what the buzzing sound is in the dash of my 740il E38 when a door opens?

It almost sounds like an electric fan or something. The key doesn't have to be in the ignition, but whenever a door is opened the buzzing starts up!!!

I know this is normal, but I would just like to know what it is.

Thank you
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  #2  
Old 04-18-2010, 08:34 PM
HLB HLB is offline
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Location: Australia
 
Join Date: Feb 2010
Posts: 74
Mein Auto: 1997 740il
Never mind, its the climate control fan.


Does anyone know why it operates after the engine has been switched and the occupants have left the car? What's the point of having it run for 16 minutes?


Thanks
  #3  
Old 04-19-2010, 09:52 PM
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CodyItaliano CodyItaliano is offline
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Location: Corpus Christi, TX
 
Join Date: Feb 2009
Posts: 628
Mein Auto: 2001 740i
i know i can hear something in the HVAC system closing or something, like the outside air vent or something when i take the key out. maybe thats what i'm hearing? i've wondered myself.
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*Der E38*
manufactured: 7/01
color: anthrecite metallic
wheels: style 89 E66, 19X9F 19X10R
ext. lighting: 8000k D2S & LED plate light
*want to get sport rear diff*
 

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