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Introduction to the BMW M4 CS
BMW M GmbH has once again raised the bar in the high-performance sports car segment with the introduction of the new BMW M4 CS. This exclusive limited-run special-edition model fills the gap in the line-up between the M4 Coupe with Competition Package and the track-focused BMW M4 GTS. The M4 CS continues a long tradition of successful M special editions that began in 1988 with the E30 BMW M3 Evolution. The new BMW M4 CS will be built at the original BMW plant in Munich.
New Nomenclature for BMW M Models
BMW M GmbH has introduced a new nomenclature for its models. The standard M models are now followed by the performance-boosted Competition versions. The CS special-edition models, such as the M4 CS, are positioned a notch higher. At the top are the performance-maximizing “brand shapers” which display a clear motorsport or club sport character while still being fully road legal.
Performance and Engine Specifications
The BMW M4 CS is powered by a 3.0-liter high-performance engine that raises the output of the M4 with Competition Package by 10 horsepower, bringing it to a total of 460 hp. The state-of-the-art M TwinPower Turbo technology allows the M4 CS to achieve a 0 to 100 km/h (62 mph) sprint in just 3.9 seconds. The top speed of the M4 CS, which comes standard with the M Driver’s Package, is electronically limited to 280 km/h (174 mph). The six-cylinder in-line engine features two mono-scroll turbochargers, a charge air cooler, High Precision Injection, VALVETRONIC variable valve timing, and Double-VANOS fully variable camshaft timing. This engine is designed to deliver high performance, significant torque from low engine speeds, and high levels of efficiency.
Transmission and Drivetrain
The new BMW M4 CS comes standard with the seven-speed M Double Clutch Transmission (M DCT) with Drivelogic. This advanced transmission includes a separate oil cooler and allows for both automated gear changes and manual interventions using the shift paddles on the steering wheel. It changes gears in fractions of a second without interrupting the flow of power and employs a long seventh gear to keep revs low and minimize fuel consumption on longer motorway journeys.
Suspension and Handling
The suspension of the new BMW M4 CS largely mirrors that of the M4 with the Competition Package. The links and wheel carriers at both the front and rear axles are made from forged aluminum, which keeps unsprung masses low and benefits driving dynamics. The M4 CS is fitted as standard with Adaptive M suspension, whose geometry has been tuned to deliver optimized performance on both the road and track. The BMW M4 CS has been honed on the demanding Nürburgring Nordschleife, where it achieved a lap time of 7 minutes and 38 seconds, placing it in super-sports car territory.
Dynamic Stability and Control
Ensuring the best possible grip in all driving conditions is the DSC (Dynamic Stability Control) system, which includes M Dynamic Mode and the Active M Differential. The control systems for the Adaptive M suspension, DSC, and Active M Differential have been modified to suit the dynamic requirements of the BMW M4 CS, as has the set-up of the electromechanical steering. The driver can adjust the steering and suspension settings to their personal preferences or the demands of the route by selecting one of three driving modes: Comfort, Sport, and Sport+. Comfort mode is well suited for poor road conditions, city driving, and short journeys. Sport mode is ideal for twisty country roads, while Sport+ mode is designed for the fastest lap times on the track. In M Dynamic Mode (MDM), DSC allows controlled drifts.
Wheels and Tires
The BMW M4 CS is equipped with light-alloy wheels (front: 9 J x 19, rear: 10 J x 20) designed exclusively for the M4 CS and fitted as standard with Michelin Pilot Sport Cup 2 tires (front: 265/35 R 19, rear: 285/30 R 20). These semi-slick cup tires provide unbeatable grip and supreme lateral stability at high track speeds, as well as optimum traction out of hairpins. The M4 CS can also be ordered with Michelin Sport road tires at no extra cost.
Interior Design and Features
The interior of the new BMW M4 CS is designed to create a sporting ambiance. It features lightweight M sports seats trimmed in leather/Alcantara and door panel trim made from compacted natural fibers with pull loops. The bonnet and roof are made from carbon-fiber-reinforced plastic (CFRP), which is lightweight, extremely rigid, and high-tech. The generous use of leather and Alcantara creates a well-resolved ambiance that is both sporty and classy. Standard features include automatic climate control, a version of the BMW HiFi system Professional adapted to the acoustic demands of the M4 CS, and the Navigation system Professional.
Exterior Design and Aerodynamics
The BMW M4 CS has a design that reflects its sporting intent. The front end features twin LED headlights and a front apron with large, three-section air intakes that provide cooling air to the high-performance engine and the fade-resistant M compound brakes with four-piston calipers at the front and two-piston calipers at the rear. The model-specific front splitter is made from exposed carbon fiber exclusively for the M4 CS. The rear diffuser, carried over from the BMW M4 GTS, and the newly designed, exposed carbon-fiber Gurney spoiler lip on the boot lid work together to minimize dynamic lift. The rear lights feature OLED (Organic Light Emitting Diode) technology, which was introduced by BMW M GmbH exclusively for the M4 CS and M4 GTS. The front splitter, Gurney, rear diffuser, long CFRP bonnet, flowing coupe-like roofline, sporty M exterior mirrors, and muscular wheel arches make the BMW M4 CS an extremely dynamic and visually striking vehicle.
Key Takeaways
- The BMW M4 CS is a limited-run special-edition model that fills the gap between the M4 Coupe with Competition Package and the BMW M4 GTS.
- BMW M GmbH has introduced a new nomenclature where CS models are positioned above the Competition versions.
- The M4 CS features a 3.0-liter high-performance engine producing 460 hp, allowing a 0 to 100 km/h sprint in 3.9 seconds and a top speed of 280 km/h.
- It comes standard with a seven-speed M Double Clutch Transmission (M DCT) with Drivelogic.
- The suspension is based on the M4 with Competition Package, featuring Adaptive M suspension and a Nürburgring Nordschleife lap time of 7 minutes and 38 seconds.
- Dynamic Stability Control (DSC) includes M Dynamic Mode and Active M Differential for optimal grip and handling.
- Standard wheels are light-alloy wheels with Michelin Pilot Sport Cup 2 tires, with an option for Michelin Sport road tires.
- The interior features lightweight M sports seats trimmed in leather/Alcantara and a bonnet and roof made from carbon-fiber-reinforced plastic (CFRP).
- The exterior design includes a front splitter made from exposed carbon fiber, a rear diffuser, and OLED rear lights for a dynamic and aerodynamic appearance.
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