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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 11-17-2016, 02:58 PM
ZHoward ZHoward is offline
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Location: san gabriel
 
Join Date: Apr 2016
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Mein Auto: 2011 x5
2011 35i wired sound

after i found i have oil leak around oil filter, and check forum said there are a little gaskets to replace and will fix it, so i ask my friend shop to do it. after replace gaskets my car doesnt have oil leak anymore, but that wired sound getting louder, especially when turn on the A/C, and only sound when im in low RPM,what is that sound?
Here is the link to show the sound:
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  #2  
Old 11-17-2016, 04:41 PM
ard ard is offline
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Location: Sierra foothills, California USA
 
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Mein Auto: '12 X5 35d/E39M5/996TTX50
weird.

FYI
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  #3  
Old 11-17-2016, 05:36 PM
edycol edycol is offline
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Mein Auto: 13' BMW X5 35d
To me that is some rattling noise, like you did not assemble back something properly.
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  #4  
Old 11-17-2016, 06:34 PM
ard ard is offline
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Mein Auto: '12 X5 35d/E39M5/996TTX50
or a bit of plastic sticking out and the fan hitting it...like playing cards clamped to the fork and running against the spokes....
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  #5  
Old 11-27-2016, 04:09 PM
ZHoward ZHoward is offline
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solved,thanks guys
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  #6  
Old 11-27-2016, 04:52 PM
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Doug Huffman Doug Huffman is online now
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Location: Washington Island, Wisconsin, thru Death's Door
 
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Mein Auto: 2012 Feb 11 X5 35d (E70)
Quote:
Originally Posted by ZHoward View Post
solved,thanks guys
What was it, the cause?
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  #7  
Old 11-27-2016, 04:55 PM
ZHoward ZHoward is offline
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Location: san gabriel
 
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Quote:
Originally Posted by Doug Huffman View Post
What was it, the cause?
shop didnt tell me clearly so i dont know, i spend $250 at shop so not that expensive, something like tensioner is broken
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  #8  
Old 11-27-2016, 09:27 PM
FredoinSF FredoinSF is online now
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Mein Auto: 4 BMWs, 1 Jeep, 1 Vespa
Would be nice if you got the details and updated. Without that info the entire thread is useless.
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  #9  
Old 11-28-2016, 07:49 AM
MMMGP MMMGP is online now
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Mein Auto: 1997 M3 Sedan
I had a similar sound. Belt tensioner was replaced along with a new belt, problem solved. My guess is that the spring on the tensioner was fatigued. On the 35i, the arm of the belt tensioner can be seen when the hood is open. The sound matched with the movement of the tensioner arm.
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