Bavsound M3 Convertible E93 (2007-2010) with Harmon Kardon Bundle bavsound-subwoofer It features nine essential maintenance

It features nine essential maintenance functions

What’s in the Box

In addition

Bavsound M3 Sedan F80 (2014-2019) with Harmon Kardon Bundle

Bavsound M3 Convertible E93 (2007-2010) with Harmon Kardon Bundle bavsound-subwoofer It features nine essential maintenance160 OFF! TAKE ADVANTAGE OF THIS BUNDLE PACKAGE OF SUBWOOFERS & STAGE ONE SPEAKER SET 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: We took your factory speakers and re engineered our upgrade for one