The new M4 variant will be BMW’s third CSL badged model after the original 3.0 CSL and the E46 M3 CSL.
BMW has released a series of teasers of its third production CSL model ahead of its debut on May 20. The new M4 CSL marks the return of the suffix after a nearly two-year hiatus, the last model being the E46-generation BMW M3. Compared to the M4 and M4 Competition, the new M4 CSL is expected to be more powerful, shed some weight and feature upgraded Aviation kit. BMW will present its latest CSL model at the Concorso d’Eleganza Villa d’Este.
The trailer itself revealed some details. The first depicts the nose of the vehicle, and the streaks and blurring of the image may accentuate the car traveling at high speeds. Aside from the M4’s oversized kidney grille and what appear to be overlapping vents on the bumper, few details are clearly visible. The second teaser is a close-up of the BMW badge on the bonnet, while the third depicts a glowing CSL emblem. A pair of older trailers showed hazy shadows of the car in motion, with the car’s headlights illuminating the rest of the car, hidden in shadow.
Spy shots of the new M4 derivative show the car will feature a revised aero package. This includes new bumpers, side skirts and a model-specific ducktail spoiler. Judging by other details online, the M4 CSL is expected to be lighter than the standard M4, although it’s unclear how BMW will achieve this.
Mechanically, the CSL is expected to receive several upgrades over the standard M4 and M4 Competition to reveal a more performance-focused character. Reports suggest the M4’s inline-six twin-turbo petrol unit will get a power boost in the CSL, which will sit at the top of the M4 lineup.
BMW is also reportedly preparing to revive the M3 CS in the current-generation model, which has already been tested on roads around the world.
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