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Page 1 of 2 Next >>  Into the broad space between race track experience and soul-stirring road performance comes another BMW M GmbH special edition from the BMW M3 and BMW M4 range. The all-new BMW M4 CS takes the blend of attributes typically found in high-performance cars in the premium midsize segment and turns the emotional engagement dial up a few notches. Engine output increased to 405 kW/550 hp, model-specific chassis tuning and minimised weight – helped by numerous components made from carbon fibre-reinforced plastic (CFRP) – bring an extra edge to the BMW M4 Coupé vehicle concept of four seats, everyday practicality, advanced equipment and exclusive design features. The new BMW M4 CS will be produced alongside the other BMW M4 variants at BMW Group Plant Dingolfing from July this year. The order books will be open from the end of May.The new BMW M4 CS invites owners to experience the inimitable M feeling in all its depth and breadth. Its distinctive character profile places it exactly midway between the new BMW M4 Competition Coupé with M xDrive – complete with its recently introduced performance, design and equipment upgrades – and the 1,000-unit limited-run BMW M4 CSL special edition. The pure-bred performance talents of the new BMW M4 CS are the product of M-typical racing genes, which offer constant reminders of their presence in everyday driving on the road and enjoy full expression out on the track. The model-specific performance characteristics of the six-cylinder in-line engine in the BMW M4 CS, an eight-speed M Steptronic transmission and M xDrive intelligent all-wheel drive imbue the new special edition with dynamic poise and assurance in any situation. Instantaneous power delivery and optimised traction enable acceleration of 0 to 100 km/h (62 mph) in 3.4 seconds. In testing at the Nürburgring’s Nordschleife circuit – the ultimate barometer for all BMW M cars when it comes to the signature M recipe of dynamic potency, agility and handling precision – the new BMW M4 CS recorded an official and notarised time of 7 min. 21.989 sec. for the full 20.832-kilometre (12.943-mile) lap. The race-focused character of the new BMW M4 CS is immediately recognisable and a noticeable companion over every journey. The special edition is powered by a particularly muscular version of the high-revving six-cylinder in-line engine with M TwinPower Turbo technology developed for the BMW M3/BMW M4 range. The 3.0-litre unit has had track performance as its raison d’être from day one of its development. Indeed, it also provides the basis for the engine in the BMW M4 GT3, which won the DTM touring car title in 2022 at the first time of asking and followed that up in 2023 with overall victories at the 24-hour races in Spa-Francorchamps and Dubai. The engine in the new BMW M4 CS therefore also benefits from the development expertise of BMW M GmbH and the many years of racing experience that underpin it. The engine has an extremely rigid crankcase, which features a sleeve-free, closed-deck construction and is designed to handle very high combustion pressure. The forged lightweight crankshaft also displays exceptional torsional resistance, which plays a role in giving the engine its rapid power delivery and appetite for revs. The wire-arc sprayed iron coating of the likewise weight-saving cylinder bores reduces frictional losses. The cylinder head, meanwhile, has a 3D-printed core. This additive manufacturing process allows the coolant ducts to be routed in an optimum arrangement for temperature management that would be impossible to achieve using conventional metal casting methods. And the system of oil supply – like the cooling system – is designed to handle the specific challenges of track use, including consistently high revs and extreme lateral acceleration. Racing technology provides the foundations for the extraordinary potential of the six-cylinder in-line engine, which produces maximum output of 405 kW/550 hp from under the bonnet of the new BMW M4 CS. This represents a 15 kW/20 hp increase over the figures achieved by the engine in the BMW M4 Competition Coupé with M xDrive. The power boost was achieved through 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 to 2.1 bar and making some model-specific tweaks to the engine management. The upgrades also produce a very specific take on familiar M performance characteristics, with instantaneous power delivery that continues unabated through to the upper echelons of the rev range a particularly dominant theme. The engine in the new BMW M4 CS puts its peak torque of 650 Nm (479 lb-ft) on tap from just 2,750 rpm up to 5,950 rpm. It develops maximum output at 6,250 rpm and has a 7,200 rpm red line. Contributing to the excellent engine response is a model-specific engine mounting with increased spring rates. The rigid connection between the power unit and the vehicle’s structure enables particularly direct transmission of its power to the drivetrain every time the driver presses the accelerator. The instantly available power and high-revving character of the engine pave the way for imposing acceleration figures. The new BMW M4 CS dashes from 0 to 100 km/h (62 mph) in just 3.4 seconds, while 0 to 200 km/h (124 mph) takes 11.1 seconds. The mid-range sprint from 80 to 120 km/h (50 – 75 mph) is dealt with in 2.6 seconds in 4th gear and in 3.3 seconds in 5th gear. The top speed of the special edition – which comes as standard with the M Driver’s Package – is electronically limited to 302 km/h (188 mph). The engine’s power delivery is accompanied by the emotionally stirring soundtrack generated by the dual-branch exhaust system, which features electrically controlled flaps, a titanium rear silencer with weight-minimising design and – in customary M fashion – two pairs of tailpipes painted in matt Black. The engine’s acoustic presence adjusts to the powertrain setting selected via the M Setup menu. In SPORT and SPORT+ modes, the engine note gains unmissable racing car undertones. This injects genuine aural drama into proceedings, particularly during gear changes and the accompanying adjustments in rev speed. The engine’s drive torque is relayed to all four wheels of the new BMW M4 CS via an eight-speed M Steptronic transmission with Drivelogic. This is operated using either the M-specific gear selector lever on the centre console or the carbon-fibre shift paddles on the steering wheel. The Drivelogic button integrated into the selector lever allows the driver to alter the transmission’s shift characteristics as desired, with a choice of settings available: one comfort-oriented, one for sports performance and one optimised specifically for track use. The engine’s power is channelled onto the road by the M xDrive system. This intelligent all-wheel-drive technology uses an electronically controlled multi-plate clutch in the transfer case to distribute the engine’s power smoothly between the front and rear wheels – and so maximise traction, agility and directional stability in any situation. The multi-plate clutch’s oil supply has been optimised to ensure the all-wheel-drive system continues to perform effectively even during ultra-intense track sessions. Page 1 of 2 Next >> |
| Article | Image gallery (18) | Specifications |
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