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The 2026 BMW M2 CS follows the oldest trick in the performance handbook. Take a fine car, add power, strip out weight. The regular M2 was already one of the sweetest driver’s cars BMW builds, a compact rear-drive coupe using the same S58 twin-turbo straight-six as the M3 and M4. The CS sharpens every edge.
The figures tell the tale. Power climbs by 50 to 523 hp, while 97 pounds fall away. Stiffer springs, retuned dampers and a 0.2-inch drop in ride height finish the job. It matches the M3 CS and M4 CS on output, yet it carries less weight than either. At around 3,700 pounds and riding a stubby 108.1-inch wheelbase, it is the most potent rear-drive-only M car BMW sells.
The S58 remains a gem. Peak torque of 479 lb-ft lands early and holds, so the motor pulls hard from low revs to the redline. Stiffened engine mounts feed cleaner throttle response straight to your right foot. Shifting falls to an eight-speed M Steptronic automatic, and here BMW made its one hard call. There is no manual. The self-shifter is quicker, so quicker won. Purists will grumble, but the pace is not in doubt, with 60 mph arriving in 3.7 seconds.
On the road, the CS feels wired to your fingertips. Turn-in is crisper, the nose darts for apexes, and the lighter body changes direction with less fuss. The retuned stability control lets the tail slide on demand, progressively and predictably. Then there is the noise. The straight-six barks on start-up, settles to a burble, and climbs to a rich, layered howl as the tacho sweeps round. Few turbo engines still sing like this.
The cabin matches the mission. Carbon bucket seats in Black Merino leather grip you through corners, Alcantara wraps the wheel, and lit CS badges remind you what you are driving. A Curved Display running iDrive 8.5 handles the tech. Boot space is a modest 13.8 cubic feet, so pack light. The closest rival is Porsche’s naturally aspirated 718 Cayman GTS 4.0, a more surgical tool that makes less power. The BMW is the louder, harder-hitting choice. On this evidence, it is the small M car to own.
