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      08-22-2011, 12:38 PM   #8
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Drives: 2015 MW M3/2011 E90 M3
Join Date: Jun 2007
Location: Bay Area, CA

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Originally Posted by FifthStreetz View Post
Not all air filters are plagued by that noise. My MS filter didnt have it. Some people have it on their AFE filters. I think it has to do with either the construction of it, or perhaps they did not install it correctly.

If anyone is interested I have my MS filter for sale, still usable, only has about 7K miles on it.
My MS made that noise. Sounding the same as all the others. The AFE and the Green, as well as the BMC all made the noise. They all sound subtly different.
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