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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #1  
Old 01-20-2014, 11:51 AM
ubermax ubermax is offline
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Mein Auto: '08 Volvo S60, '97 Jetta
Thump Sound When Blower On

'08 X3 , MT - when warmed up and blower on I get a periodic ( every 3 seconds ) thump sound that seems to be coming from the rear of the engine compartment about where the blower fan would be - goes away when blower turned off.

anyone experience the same ? anyone have any thoughts on what might be causing the sound ?

thanks in advance to those who respond .
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  #2  
Old 01-20-2014, 11:53 AM
joylove joylove is offline
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Mein Auto: 08 e83 LCI
http://www.bimmerfest.com/forums/sho...210&highlight=
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  #3  
Old 01-20-2014, 01:34 PM
ubermax ubermax is offline
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Mein Auto: '08 Volvo S60, '97 Jetta
Quote:
Originally Posted by joylove View Post
thanks joylove , it's not really a popping sound but more of a dull thump but that could be it .
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  #4  
Old 01-20-2014, 01:55 PM
joylove joylove is offline
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Drives me nuts.
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  #5  
Old 01-23-2014, 10:44 AM
ubermax ubermax is offline
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Joylove , does your sound go away when you turn the blower off ? also, have you brought it in ( dealership or Indy ) for a diagnosis ? or have you solved it yourself ?
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  #6  
Old 01-23-2014, 06:25 PM
joylove joylove is offline
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If I shut off the fan yes the noise stops. I'm not going to take it to a dealer, if I can't figure out what it is with the entire world at my fingertips I'm 90% sure they can't.
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