Bavsound Stage One BMW Speaker Upgrade for F31 with Harman Kardon bavsound-subwoofer (you'll have to add new

(you'll have to add new spade terminals which are included) and take around 20 minutes to replace your old

BigBoi SuckR PRO+ Hepa Filter

Bavsound X3 SUV/SAV G01 (2018-2023) with Hi Fi (Standard) Bundle

Bavsound 6 Series Gran Coupe F06 (2012-2018) with Hi Fi (Standard) Bundle

Bavsound Stage One BMW Speaker Upgrade for F31 with Harman Kardon bavsound-subwoofer (you'll have to add newGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY SWAPPING OUT YOUR FACTORY SPEAKERS: We took your factory speakers and re engineered our upgrade for one thing: clarity. So you can simply swap your original speakers for ours without changing anything else in your audio system, and the result is smooth, natural, yet unbelievably detailed reproduction of your favorite music.