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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 07-17-2012, 09:59 PM
zerobama zerobama is offline
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Location: San Jose
 
Join Date: Jul 2012
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Mein Auto: Honda
Question What is that sound?

I was sitting in an X5 after a test drive. The engine is off but I was sitting in the car talking to a salesperson.

Then all of sudden I hear a motorized sound (similar to the sounds when you move your power seat positions, slightly higher pitch, but it came from front under the hood) I didn't pay attention the first time, but this same sound came back again. About once every 5-8 minutes.

I asked the sales person and he told me me it is OK/common, but he didn't know where the source of that sound is.

Can anyone help PLEASE?
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  #2  
Old 07-17-2012, 10:49 PM
jashearer jashearer is offline
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Mein Auto: Holden Wagon & Sedan
Electric water pump cooling the turbos?
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  #3  
Old 07-17-2012, 11:31 PM
ard ard is online now
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Mein Auto: '12 X5 35d/E39M5/996TTX50
My 2012 diesel makes all kinds of noises, cycling like you describe is common. But sorry, no idea what it is
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Old 07-18-2012, 12:41 AM
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serge1 serge1 is offline
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Mein Auto: 2011 BMW X5 35D
Mine makes that sound pretty often right after parking in my driveway and turn off the engine. I think it's the air suspension. Perhaps it pumps air due to vehicle being somewhat downhill and more weight shifted to the front axles.

Other hight pitch sound I hear sometimes is the harddrive. But it's very subtle.
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Old 07-18-2012, 09:18 AM
Ben_XI Ben_XI is offline
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Mein Auto: 2011 X5 50i
I hear that sound all the time about a minute after shutting down the vehicle. I guess it is normal.
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Old 07-18-2012, 10:06 AM
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AutoUnion AutoUnion is offline
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Quote:
Originally Posted by ard View Post
My 2012 diesel makes all kinds of noises, cycling like you describe is common. But sorry, no idea what it is
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