BMW 3 Series Sub Box BMW 3 Series Subwoofer Box E90 Sub Box E92
Factory Auto Sound / FAS Group - Custom subwoofer enclosure for a BMW Z3 Roadster. 8" Hertz Energy woofer. 6.5" Hertz Energy components and a 5 Channel Hertz amplifier as the power
BMW 5 Series 97-03 Subwoofer Enclosure
ZEnclosures 2004-2010 BMW 5 Series 2-12" SUB BOX Subwoofer Enclosure Speaker Box | eBay