https://www.bavsound.com/BMW-Underse...oofer-Upgrades
BAVSOUND GHOST UNDERSEAT SUBWOOFER, 8 OHM, PAIR
For your: 2013 BMW M6 Convertible with Bang & Olufsen Audio System
4.5/5 (59)
Ghost Underseat Subwoofer Upgrades are our vehicle specific under-seat subwoofer replacements that deliver nearly twice the output of the factory subwoofers in under an hour. Simply swap the factory subwoofers with your new Ghost Underseat Subwoofers and experience the real power and emotion of your music as it was meant to be heard - and felt