Bavsound Stage One BMW Speaker Upgrade for F31 with Harman Kardon bavsound-subwoofer and an enhanced user experience—saving

and an enhanced user experience—saving you both time and money

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

revised 1000w motor and improved internals

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

Identifies engine faults and turns off the check engine light after resolving issues

Bavsound Stage One BMW Speaker Upgrade for F31 with Harman Kardon bavsound-subwoofer and an enhanced user experience—savingGET 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.