Bavsound Stage One BMW Speaker Upgrade for F26 X4 with Harman Kardon bavsound-subwoofer offering better legroom and an

offering better legroom and an aggressive

Bavsound 4 Series Gran Coupe F36 (2013-2020) with Base Audio Bundle

oil light reset

Carefully remove your existing badge

Brand new — never installed

Bavsound Stage One BMW Speaker Upgrade for F26 X4 with Harman Kardon bavsound-subwoofer offering better legroom and anGET 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.