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      09-03-2012, 02:28 PM   #3
rjd598
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Drives: E90 M3/ F30 328i
Join Date: Jan 2009
Location: San Diego,CA

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Quote:
Originally Posted by crummer View Post
Great idea. Is there a distance at which the levels should be measured?
The basis for the tests are to use the decibels app and I held my iphone about a foot away from the exhaust tips. post up your readings!
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