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      11-13-2012, 09:09 PM   #8
E90Company
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Join Date: Mar 2012
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Quote:
Originally Posted by slostjoe View Post
Mine only started doing this one I installed my catless downpipes. I have heard this on many other N54's stock and modified. Whats the big deal?
That's my question. So many people say different things about the noise, I don't know if it's something to worry about or not.