Damaged 96-99 BMW Z3 Roadster Harman/Kardon HK Rear Subwoofer Speaker and Box | eBay
BMW Z3 custom subwoofer box. Build overview - YouTube
BMW Z3 Roadster Harman Kardon HK Rear Subwoofer Speaker and Box 1996-1999 | eBay
20130209 BMW Z3 Sub Woofer Speaker Repair | The most difficu… | Flickr
20130209 BMW Z3 Sub Woofer Speaker Repair | The most difficu… | Flickr
BMW Z3 Subwoofer first attempt : r/CarAV
65136902837 - Genuine BMW Subwoofer | Turner Motorsport
FS: 6.5" single subwoofer enclosure for BMW Z3 roadster - YouTube
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