Thread: e90 stereo
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      01-27-2013, 04:17 PM   #2
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Drives: BMW 335D
Join Date: Oct 2011
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If its the base system (no tweeters ) then yes the speakers are crap/cheap and the HU has been coded to EQ the max out of it

There are quite a few threads on here have a read. Start off with B33mers thread install to start off with