Bavsound Stage One Speaker Upgrade for E46 Sedan/Wagon with Standard Hi-Fi M4 G82 Â (Rated for 850whp on

 (Rated for 850whp on 100% E85) and is drop in ready

Optional Fuel Injectors: (see full product information here)

World's First  custom flash tuning platform for the BMW F series

AN-6 PTFE to AN-6 Female Flare Fitting

Bavsound Stage One Speaker Upgrade for E46 Sedan/Wagon with Standard Hi-Fi M4 G82 Â (Rated for 850whp onGET 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