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  Article Image gallery (18) Specifications  
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Country of origin:Germany
Produced in:2021
Internal name:F90
Source:Company press release
Last updated:January 28, 2021
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Click here to download printer friendly versionEven sportier, even more luxurious, even more exclusive: BMW M GmbH is expanding its ranks of specialised performance-focused CS models with the introduction of the BMW M5 CS - the most powerful production car in the history of the company.

Searingly fast yet eminently usable, the BMW M5 CS is the ultimate incarnation of the BMW M5 and it is the first time there has been a special edition of the iconic model. It blends the kind of performance you might expect of a supercar – 0-62mph achieved in only 3.0 seconds and an electronically limited top speed of 189mph – with everyday usability. It is a luxury saloon equally at home on the road as it is on the racetrack.

The BMW M5 CS builds on the established presence of the BMW M3 CS, BMW M4 CS and BMW M2 CS. As the flagship model in the range, the BMW M5 CS represents the highest rung of the BMW M ladder and sets new standards, combining standout performance attributes with an exclusive and luxurious appearance.

Power is provided by a 4.4-litre V8 engine with BMW M TwinPower Turbo technology that develops 635hp – 10hp more than in the BMW M5 Competition. Its track suitability is elevated by its lightweight design, bespoke chassis tuning and the M xDrive system, with its centralised intelligent control approach for the Active M Differential.

The BMW M5 CS sports the most powerful engine fitted by BMW M GmbH. The 4.4-litre V8 with M TwinPower Turbo technology develops 635hp at 6,000rpm, and peak torque of 750Nm is produced from 1,800 – 5,950rpm. The high-revving nature of the eight-cylinder unit – it tops out at 7,200rpm – and strong power delivery are derived from motorsport. The engine’s characteristics can be altered at the touch of a button from the basic EFFICIENT mode to SPORT and SPORT+, the latter two further quickening the engine’s response to accelerator movements.

Equipped with the M Steptronic transmission with Drivelogic, the BMW M5 CS accelerates from 0 to 62mph in 3.0 seconds. The special edition needs just 10.4 seconds to reach 124mph from rest and is electronically limited to a top speed of 189mph.

The new BMW M5 CS builds on the chassis of the BMW M5 Competition and features a seven-millimetre drop in ride-height plus shock absorbers developed for the BMW M8 Gran Coupé. As well as bringing added comfort to the driving experience, these dampers also reduce fluctuation in wheel loads, greatly improving on-the-limit handling. The bearing springs at the front and rear axle of the BMW M5 CS have been retuned and damper control has also been refined to consider the lower vehicle weight and the tyres’ increased performance potential.

The BMW M5 CS rides as standard on Pirelli P Zero Corsa track tyres measuring 275/35 R 20 at the front and 285/35 R 20 at the rear, which are fitted to 20‑inch M forged wheels in Y‑spoke design (front: 9.5 J x 20, rear: 10.5 J x 20) with a Gold Bronze finish.

The BMW M5 CS is fitted with engine mounts that have a spring rating of 900N/mm. The engine’s firm connection to the car’s structure results in rapid engine response and immediate transmission of its power to the drivetrain. The V8 engine – featuring a bespoke BMW M Power cover made from exposed carbon fibre and bearing a full-colour M logo – works with optimised turbochargers and has maximum injection pressure of 350 bar for shorter injection times and improved atomisation of fuel. Improvements have also been made to lubrication and cooling, including an oil pan with a small front sump and an indirect charge air cooling system, which is extremely effective despite taking up little space. The oil supply system uses a fully variable, map-controlled pump and has been designed for outings on the racetrack, where it can handle very high levels of longitudinal and lateral acceleration.

The sports exhaust system of the M5 CS delivers a distinctive M‑specific sound that accentuates the engine’s strong production of power and appetite for revs. The dual-branch, flap-controlled system has been designed to amplify the engine note and offer sportier and clearer feedback, while ensuring it remains suitable for everyday conditions. The sound produced by the BMW M5 CS changes depending on which of the various modes affecting engine characteristics – EFFICIENT, SPORT or SPORT+ – is selected. The character of the engine note is particularly powerful in SPORT+. The driver can use the M Sound Control button at any time to soften the car’s acoustic presence – for example when driving through a residential area.

The M Carbon ceramic brakes for the BMW M5 CS deliver superb stopping power and are fitted as standard. The six-piston fixed-calliper units at the front and single-piston floating callipers at the rear sport the M logo and are painted in Red with a Gold finish available as an option. The M Carbon ceramic brakes are 23kg lighter than the M Compound brakes on the BMW M5 Competition. These brakes offer even better performance, further improved fade resistance and still higher thermal stability, combined with excellent durability.

The bonnet of the BMW M5 CS is made entirely from lightweight CFRP. The front splitter and the exterior mirror caps - taken from the BMW M8 – together with the additional rear spoiler on the bootlid and the rear diffuser are also made from CFRP. In addition to aiding aerodynamics, these parts also contribute to a near 70kg weight reduction over the BMW M5 Competition.

The M5 CS sports exhaust system’s quartet of stainless-steel tailpipes and Gold Bronze accents add to the special edition’s exclusive exterior details. The kidney grille surround on the BMW M5 CS is finished in Gold Bronze, as are the M gills on the front wings and “M5 CS” badges on the kidney grille and bootlid. The special-edition model exclusively adds a Gold Bronze finish to the 20-inch M forged wheels in Y-spoke design. The door sill finishers come with illuminated “M5 CS” badges, while extended high-gloss Shadowline trim features on the exterior mirrors, window frame surrounds and B-pillar.

The BMW M5 CS is equipped as standard with BMW Laserlight, and its light graphic has a new look. While the BMW Individual Shadowline trim with additional black shading adds a dark-tinted accent to the headlights, the L-shaped light tubes are unexpectedly versatile: as daytime driving lights and side lights, they shine in the familiar white, but when low or high beam is activated, they switch to a distinctive yellow tone that BMW M5 CS drivers can also see from the outside, when they unlock the car remotely, triggering the Welcome Light.

The BMW M5 CS is available in three different paint shades – Brands Hatch Grey metallic or exclusive BMW Individual matt paint finishes Frozen Deep Green metallic and Frozen Brands Hatch Grey metallic.

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  Article Image gallery (18) Specifications