Stage One BMW Speaker Upgrade for E83 X3 with Standard Hi-Fi G2x 3 series Do-it-yourself installation in about an

Do-it-yourself installation in about an hour

ProTool by BimmerGeeks puts the power of a BMW specialist in the palm of your hand

Stage 1 93 octane: 28%HP / 31%TQ

Top Speed Limiter Removal

It's that simple

Stage One BMW Speaker Upgrade for E83 X3 with Standard Hi-Fi G2x 3 series Do-it-yourself installation in about anGET 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