BMW M4 Audio Upgrade | Audison Underseat Woofer Install | Cambridge Car Audio

Watch this BMW M4 sound system upgrade as we remove the factory underseat woofer and install a powerful Audison underseat subwoofer for deep bass and crystal-clear sound. Expert BMW car audio installation in Cambridge by Cambridge Car Audio. Perfect upgrade for true BMW enthusiasts! Check out pricing and options for your car: https://www.cambridgecar.audio T: 01223 56 30 30 A: Grange Farm, Horningsea, Cambridge, CB25 9JD Our website: https://www.cambridgecar.audio Instagram:   / cambridgecaraudio   TikTok:   / cambridgecaraudio