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Humming noise in motor

572 views 4 replies 3 participants last post by  mattmar1 
#1 · (Edited)
Have a bmw e39 I am getting a Humming noise coming from the motor and can not work out where that noise is coming from so anybody out there that could help me with this problem . I have only noticed it on Idol
 
#4 ·
you might get more help if you can post a short video clip of even audio clip of the sounds your trying to describe,

Its hard to diag something over the internet with out some more detailed info.....

so you have a m52, and it makes a sound @ idle
 
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