And you will see a big difference just changing the speakers and leaving the factory amp.

BSW's systems are great for those that don't feel comfortable doing this themselves and need some guidance, but if you have any experience doing car audio, the speaker swap is an easy DIY.

I swapped out my fronts with MB Quart components (same ones BSW used to use) and it made a world of difference. The big difference was I paid about $90 for the speakers!!

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2001 X5 3.0i (PP/WP/AP) Traded at 213K miles
RARE White on Black - Why does everyone get Tan??
First E53 with 215s on XOutpost!!