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Page 1 of 2 Next >>  BMW M GmbH will maintain its focus on adding highly appealing special-edition models to its product range in 2023. The all-new BMW M3 CS brings even greater intensity to the racing allure that marks out the company’s successful high-performance models for the premium midsize segment. An intelligent lightweight construction featuring a large number of carbon fibre-reinforced plastic (CFRP) components, plus increased engine power, a bespoke chassis setup, exclusive design features and a specification precision-honed to deliver an exhilarating performance experience on the track, combine with the functionality and everyday usability of the BMW M3 Sedan. This gives the BMW M3 CS a character profile all of its own: an ability to serve up undiluted M feeling that excites and enthrals over every mile on the road as well as on the track.The powertrain concept for the new BMW M3 CS teams a 405 kW/550 hp six-cylinder in-line engine with an eight-speed M Steptronic transmission and the M xDrive intelligent all-wheel-drive system. These combine to produce a 0 to 100 km/h (62 mph) time of 3.4 seconds and supreme driving talents that can be enjoyed from each of its four seats. The new BMW M3 CS will be built in a limited run at BMW Group Plant Munich from March 2023, with its phased launch getting underway the same month. The USA, Germany, the UK and Japan are the most important sales regions for the new special-edition model. A more power/less weight formula instils the new BMW M3 CS with compelling performance qualities and an exclusive aura. It draws its power from a specially upgraded version of the high-revving six-cylinder in-line engine with M TwinPower Turbo technology developed for the BMW M3 and BMW M4 models. This 3.0-litre unit also forms the basis for the engine that powered the BMW M4 GT3 to the DTM touring car title at the first time of asking in 2022. The engine under the bonnet of the new BMW M3 CS therefore also boasts a wealth of technological details derived directly from the race-car unit. Its crankcase has a sleeve-free, closed-deck construction and is extremely rigid, making it suitable for very high combustion pressures. Weight-saving cylinder bores with a wire-arc sprayed iron coating reduce frictional losses. The forged lightweight crankshaft aids power build-up with its exceptionally high torsional resistance while also feeding the engine’s high-revving instincts. Its cylinder head has a 3D-printed core, allowing the coolant ducts to be routed in an optimum arrangement for temperature management that would be impossible to achieve using conventional metal casting methods. The system of oil supply is designed to handle the specific challenges of track use, as is the cooling system. These carefully tailored modifications reflect the unwavering focus on achieving high rev speeds and maximum power delivery with the engine in the new BMW M3 CS. The unit’s considerable upgrade potential paved the way for a 30 kW/40 hp hike in peak output compared with the BMW M3 Competition Sedan with M xDrive, resulting in 405 kW/550 hp. This increase in power was achieved courtesy of targeted revisions to the engine’s M TwinPower Turbo technology and required no concessions in terms of stability or durability. The adjustments primarily involved raising the maximum charge pressure of the two mono-scroll turbochargers from 1.7 to 2.1 bar and making some model-specific tweaks to the engine management. In addition, a specially designed engine mounting with increased spring rates creates an extremely rigid connection between the power unit and the vehicle’s structure. A press of the accelerator is therefore greeted by even sharper engine response and direct transmission of its power to the drivetrain. The engine in the new BMW M3 CS puts peak torque of 650 Nm (479 lb-ft) on tap from just 2,750 rpm and sustains it all the way to 5,950 rpm. It generates maximum output at 6,250 rpm and tops out at 7,200 rpm. The unit’s specific performance characteristics are dominated by its unabated power delivery through to the upper echelons of the rev range. This is accompanied by the emotionally stirring soundtrack produced by the dual-branch exhaust system featuring electrically controlled flaps, a titanium rear silencer with weight-minimising design and – in customary M fashion – two pairs of tailpipes painted in matt Black. Selecting the SPORT or SPORT+ modes for the engine setting in the M Setup menu dials up the drive sound to produce a note with unmissable racing car undertones. This injects real aural drama into proceedings, particularly with gear changes and the accompanying adjustments in rev speed. The drive torque unleashed by the engine in the new BMW M3 CS is relayed via an eight-speed M Steptronic transmission with Drivelogic. This is operated using either the M-specific selector lever on the centre console or the carbon-fibre shift paddles on the steering wheel. The driver can use the Drivelogic button integrated into the selector lever to alter the transmission’s shift characteristics, with the choice of comfort-oriented, sporty and track-optimised settings. The traction and agility of the new BMW M3 CS are both enhanced by the presence of M xDrive all-wheel drive, which uses an electronically controlled multi-plate clutch in the transfer case to ensure fully variable and super-smooth distribution of the engine’s power between the front and rear wheels. The multi-plate clutch’s oil supply has been optimised to keep the all-wheel-drive system performing effectively even under hard driving on the track. The system’s rear-wheel bias and the way it teams up with the Active M Differential at the rear axle – whose operation is also fully variable – add to the signature M feeling when accelerating or powering through corners. The M Setup menu lets the driver switch from the default 4WD setting to 4WD Sport mode, which directs an even greater proportion of the engine’s torque to the rear wheels. Drivers can also switch off the DSC (Dynamic Stability Control) system altogether and engage 2WD mode. By sending drive power solely to the rear wheels and suppressing any intervention from the control systems to stabilise the vehicle, this setting engages skilled drivers in the driving experience to an even more intense degree. The engine, transmission and M xDrive join forces to produce stunning acceleration times. The new BMW M3 CS takes just 3.4 seconds to power from 0 to 100 km/h (62 mph) and 11.1 seconds to reach 200 km/h (124 mph) from rest. The midrange surge from 80 to 120 km/h (50 – 75 mph) is over in 2.6 seconds (in 4th gear) or 3.3 seconds (in 5th gear). The BMW M3 CS comes with the M Driver’s Package as standard and has an electronically limited top speed of 302 km/h (188 mph). The chassis technology in the new BMW M3 CS has been tuned precisely to the engine’s performance characteristics, the overall vehicle concept and its weight distribution. The model-specific settings for the DSC system and M Dynamic Mode have also been purposefully geared to the specific demands of high-speed circuit driving. The individually tuned axle kinematics and bespoke wheel camber settings, dampers, auxiliary springs and anti-roll bars serve to optimise steering precision, transmission of lateral control forces when cornering, spring and damping response and wheel location. The electronically controlled dampers of the adaptive M suspension on the new BMW M3 CS likewise come in a model-specific setup, as do its electromechanical M Servotronic steering with variable ratio and its integrated braking system. Standard specification for the special-edition model includes M Compound brakes with brake callipers painted in a choice of Red or Black. There is also the option of M Carbon ceramic brakes whose brake callipers are available in matt Gold or Red. Also on the standard equipment list for the new BMW M3 CS are forged M light-alloy wheels in an exclusive V-spoke design with a Gold Bronze finish. These particular M light-alloy wheels can also be ordered in an optional matt Black finish. Measuring 19 inches in diameter at the front axle and 20 inches at the rear, the wheels are fitted as standard with track tyres that have been purpose-developed for the special-edition model and measure 275/35 ZR19 at the front and 285/30 ZR20 at the rear. As an alternative to these tyres, which are specially designed for circuit driving, customers also have the no-cost option of high-performance tyres with the same dimensions. Extensive, model-specific lightweight design measures play a major part in moulding the performance qualities and exclusive character of the new BMW M3 CS. The use of components made from carbon fibre-reinforced plastic (CFRP) both inside and out is of key importance here. Besides its carbon fibre roof, the special-edition model also uses this lightweight, high-tech material for its bonnet, front splitter, front air intakes, exterior mirror caps, rear diffuser and rear spoiler. Its centre console, the shift paddles on the steering wheel and its interior trim strips are likewise all manufactured from CFRP. The standard M Carbon bucket seats also do their bit to keep weight down in the cabin. The titanium rear silencer, meanwhile, shaves more than 4 kilograms off the weight of the exhaust system fitted on the new BMW M3 CS. The various lightweight design measures bring about a total weight saving of some 20 kilograms compared to the BMW M3 Competition Sedan with M xDrive. Body rigidity can be further increased by specifying a package of high-precision strut braces for the engine compartment that have also been engineered for lightness. The cast aluminium elements connecting the spring strut towers to the front end feature a weight-optimised geometry that has been precisely matched – with the help of numerical models – to the forces applied in various driving situations. Page 1 of 2 Next >> |
| Article | Image gallery (24) | Specifications |
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