Bavsound Coaxial Stage One BMW Speaker Upgrade for F30/31/32/33/34/36 with Base Delivery Time:5-7 Working Days Adapts the crankshaft position sensor

Adapts the crankshaft position sensor for improved engine efficiency

Compatibility – Please verify your vehicle compatibility before purchase

Resets and synchronizes the fuel injectors after replacement

1dB • S/N 4V 1:1 - 108

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

Bavsound Coaxial Stage One BMW Speaker Upgrade for F30/31/32/33/34/36 with Base Delivery Time:5-7 Working Days Adapts the crankshaft position sensorBavsound 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.