BMW M3 E46 Convertible #1040 Trunk Access Ski Box Subwoofer 8268954 65138378552 | PK Auto Parts Inc.
BMW E46 Convertible Hertz ESF20.5 8” Car Subwoofer installation in custom box and Hertz HCP2 Amplifier to drive the subwoofer. Really great sounding bass... | By In Car Music | Facebook
BMW 3 E46 Sedan Fit-Box subwoofer enclosure
BMW 3 series, cabrio (1998-2007) subwoofer box (stealth).