Bavsound 4 Series Convertible F33 (2013-2023) with Base Audio Bundle bavsound-subwoofer providing better legroom and a

providing better legroom and a racing-inspired feel

Please contact us before purchase with your vehicle model

and 26 special reset functions for more accurate diagnostics

and radically transform every aspect of your BMW's audio system for crystal clear sound

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Bavsound 4 Series Convertible F33 (2013-2023) with Base Audio Bundle bavsound-subwoofer providing better legroom and a160 OFF! TAKE ADVANTAGE OF THIS BUNDLE PACKAGE OF SUBWOOFERS & STAGE ONE SPEAKER SET Bavsound 4 Series Convertible F33 (2013 2023) with Base Audio Bundle SUBWOOFERS: GET DOUBLE THE BASS IN YOUR BMW OR MINI IN ABOUT AN HOUR Simply swap your factory underseat woofers with our plug & play upgrade kit and, get incredibly powerful, tight bass. STAGE ONE SPEAKER SET UPGRADE: GET UNBELIEVABLE, CRYSTAL CLEAR SOUND BY JUST SWAPPING OUT YOUR FACTORY SPEAKERS: