Originally Posted by Nawaaz
WUT! Your M3 doesn't have a speed limiter?!?
Like I've been told before, you're just gonna have to do plenty of research in order to find the products that will suit your expectations best.
My goal was to make the most power with my NA engine also.....And so from my research I went with ordering the following mods in my signature.
.... what did u get after u install all that .. any difference ??