Bavsound Coaxial Stage One BMW Speaker Upgrade for F30/31/32/33/34/36 with Base Audio G30 550 N63 It is the owner’s responsibility

It is the owner’s responsibility to ensure removal of the block off plate after use for cleaning or leak testing

Our 1/2" phenolic spacer not only provides a thermal insulation between the cylinder head and intake plenum

Some items used and/or installed by Kiesmotorsports may void portions of your vehicle’s factory warranty

If you see any variation

bootmod3 calibrates the factory vehicle modules over the OBD port in a matter of minutes in the convenience of your driveway or anywhere internet access is available

Bavsound Coaxial Stage One BMW Speaker Upgrade for F30/31/32/33/34/36 with Base Audio G30 550 N63 It is the owner’s responsibilityGET UNBELIEVABLE, CRYSTAL CLEAR SOUND. JUST BY REPLACING YOUR BMW'S SPEAKERS We took your factory BMW 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. PLAY YOUR MUSIC LOUDER. AND ENJOY EVERY NOTE: We engineered the Stage One speakers