Stage One BMW Speaker Upgrade for E83 X3 with Standard Hi-Fi B58 Yokohama Advan A052 Tire -

Yokohama Advan A052 Tire - 225/45R16 93W

The harness adds 4 EV1 style fuel injector connections

1:1 Boost reference regulator

Full DME control of injectors: Yes

efficiency

Stage One BMW Speaker Upgrade for E83 X3 with Standard Hi-Fi B58 Yokohama Advan A052 Tire -GET 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