Pay in 4 interest-free payments of $81.12 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Stage 1 E30 octane: up to 19%HP / 26%TQ
It allows for factory integration with the ECU for multiport fuel injection
(Rated for 950whp on 100% E85) and is drop in ready
Color: Blue
1:1 Boost reference regulator
Stage One BMW Speaker Upgrade for E60/E61 Sedan/Wagon with Standard Hi-Fi TIRES Stage 1 E30 octane: upGET 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
