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      04-17-2013, 01:06 PM   #15
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Drives: E93 335i M-Sport
Join Date: Feb 2013
Location: Milton Keynes, England

Posts: 8
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are the base stereo underseat subwoofers 6" or 8"?
I'm not sure what the car comes with as standard...or whether this was an upgradable part from BMW?
Basically one of the underseat subs in my 335i is rattling a bit...I'm contemplating upgrading to earthquake or similar, but might look at getting an OEM initially as a quick fix. Any way I could check whether these would be the same without taking off my car seat?


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