Where can i find a REALLY GOOD bass system for a 2006 BMW 330i?

[Nic]

I need a better bass system. Any suggestions? And where would i install it?

 

[Realistico]

So you want to ghetto up a '06 3 do ya'? Nice. Classy. Who you trying to impress?

 

[ThEeSoNeoFeLiBeRTy]

Rockford Fosgate is the best.

 

[Lousopinion]

If you've got the loot, J & L audio...

 

[hummerkid]

I have a jl audio W7 that I love. If you live in Oc go to GoldStar audio.