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      02-02-2012, 11:23 PM   #6
VP Electricity
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Drives: E91 XDrive
Join Date: Jan 2008
Location: portland oregon

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If you have a 2010 328 and you don't have tweeters, you have a truly crappy sound system, and a sub is the least of your worries.

This page explains which system you have:

You don't mention if it's a coupe or a sedan.

Sedan with Base Stereo:

Coupe with base Stereo:

IF your 2010 has Premium Sound/harman/kardon:

Coupe subwoofer:

Sedan subwoofer:
Musicar Northwest, Portland Oregon
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