Welcome to the BMW M4 CSL: the most extreme BMW of the modern era. The “Competition Sports Lightweight” package lives up to its name: It is down a whopping 240 lbs compared to the standard Competition ...
The first Competition Sport Lightweight (CSL) model dates back to 1972 and the introduction of the 3.0 CSL, a limited-production homologation special that was created to make the svelte coupe eligible ...