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JUST SWAP YOUR FACTORY SPEAKERS WITH OUR PLUG & PLAY SPEAKER UPGRADE KIT AND GET INCREDIBLE SOUND IN YOUR BMW. AMAZING SOUND IN YOUR BMW IN 3 HOURS OR LESS.
The Stage One is the world's only complete plug & play speaker upgrade system made specifically for your BMW. Simply replace your factory BMW speakers with Bavsound - without changing any other component - and experience your music as it was meant to be heard.
Includes absolutely everything you need without having to change any other component of your system. Simply install and enjoy your music as it was meant to be heard.
Backed by a 4 year limited warranty. If something breaks, we will replace it at no charge.