OE look subwoofer enclosure - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
BMW G20 Sub Install : r/CarAV
Phantom™ Subwoofer for BMW 4-Series Coupe F32/F82
Finally got my amp and sub install in my F30 finished, so worth it! : r/BMW
F30/F80 Full Bass Upgrade Level Two – Musicar Certified Sound
An awesome build inside the trunk of a BMW F30 335. Cool works by the guys at Al & Ed's Autosound. Get Your C… | Car audio installation, Car audio, Dream cars bmw
JL Audio UK - F30 BMW gets a ported #BassWedge enclosure... | Facebook