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      02-04-2013, 12:17 AM   #2
Jeffersontp
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Drives: 2013 328i M Sport
Join Date: Dec 2012
Location: Richmond Va

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I second that request. OP if you want it done correctly you will need to purchase a signal processor and a 4 channel amp. Replacing the original speakers wont do too much to improve the sound quality because the car will still send its jacked up EQ to the new speakers (and also because a lot of the distortion comes from the midrange and subwoofers trying to hit notes that the stock speakers cant handle).
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