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X5 E53 (1999 - 2006)
The X5 SAV Forum

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  #1  
Old 07-04-2013, 03:32 PM
1hander 1hander is offline
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Location: texas
 
Join Date: May 2012
Posts: 46
Mein Auto: 00 540i MSpor-06 X5 4.4i
2006 whining noise

its been getting louder.... i think its the power steering pump.. if i rev, the sound increases and changes frequency...turning the steering wheel causes only a small change in the the sound, that couuld be because of the engine loading up from the steering pump.

the reservoir is topped off. anybody experienced something like this and have a prognosis for me. maybe an idler wheel or tensioner...but it really sounds like the pump... let me know what you guyts think
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  #2  
Old 07-04-2013, 08:37 PM
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Zulu95 Zulu95 is offline
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Join Date: May 2004
Posts: 836
Mein Auto: 2001 X5 3.0L
I would have the idlers/tensioner checked and the water pump as they are common failure points. They tend to do a self destruct that takes out lots of other thin gs when they go.
GL
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  #3  
Old 07-05-2013, 02:42 PM
wmgerlach wmgerlach is offline
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Location: texas
 
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Mein Auto: 2005 X5 4.4
i would check idler pully and tension pullys and the water pump its a bmw so anything is posible around 100k
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  #4  
Old 07-31-2013, 04:11 PM
desertviking desertviking is offline
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Location: Palm Springs
 
Join Date: Mar 2012
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Mein Auto: 2006 X5 4.4
2006 whining noise

I had the same issue
Had the pulleys and belts replaced to no avail.
They fixed it by replacing these two identical parts and forgive me I forget the name of them. I think they sit on the crankcase. They are round about 3 inches wide and have this rubber diaphragm that cracks and lets air in.
There is a hose hooked up to each one.
They were pretty cheap.
Hope that helps.


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  #5  
Old 07-31-2013, 04:13 PM
1hander 1hander is offline
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Location: texas
 
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Mein Auto: 00 540i MSpor-06 X5 4.4i
i will be checking all of those
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