Bavsound Coaxial Stage One BMW Speaker Upgrade for F30/31/32/33/34/36 with Base Delivery Time:5-7 Working Days featuring polished metallic accents

featuring polished metallic accents

Resets and synchronizes the fuel injectors after replacement

Adapts the crankshaft position sensor for improved engine efficiency

Now you can easily move around the car with this extra long hose option

ensuring proper service interval management

Bavsound Coaxial Stage One BMW Speaker Upgrade for F30/31/32/33/34/36 with Base Delivery Time:5-7 Working Days featuring polished metallic accentsBavsound Coaxial Stage One BMW Speaker Upgrade for F30 31 32 33 34 36 with Base GET 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.