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 M2 Competition
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| BMW M2 Competition |
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<< Prev Page 2 of 3 Next >>  The car comes as standard with a six-speed manual gearbox, which stands out with its compact design and low weight. The use of a new type of carbon-fibre friction lining enhances shift comfort and an engagement speed control function, which blips the throttle on downshifts and lowers the engine's revs on upshifts, makes gear changes even smoother. This also lends the car additional stability during hard driving on the track.Switching off the DSC deactivates the engagement speed control function. Wet-sump lubrication prevents any sloshing of the transmission oil and ensures all components benefit from an efficient supply of oil. The seven-speed M Double Clutch Transmission (M DCT with Drivelogic) is available as an option. This system effectively combines two gearboxes, each with its own clutch, and enables either extremely fast gear changes with no interruption in the flow of power or ultra-smooth shifts. The driver can change gear either in automated mode or manually using the gearshift lever on the centre console or shift paddles on the M leather steering wheel. In automatic and manual modes, Drivelogic provides the driver with a choice between preconfigured driving settings: COMFORT, Sport and Sport+. In automatic mode, the driver can then adjust the timing of the gearshift as well as its intensity, and the automatic throttle blipping function on downshifts. Moving between the transmission's manual modes alters the shift dynamics, but it is the driver who determines the timing of a gear change. The system detects which gear the driver will choose next on the basis of the engine revs, the accelerator position, the level of acceleration and the driving mode, and engages it before the driver has actually moved the shift paddle. As a result, the clutches now only need to open or close for the gear-change to complete. The change of gear is therefore executed in fractions of a second. The BMW M2 Coupé has already set the standard in its class when it comes to agility, driving feel, directional stability, steering precision and controllability at the limit, without short-changing the driver in everyday use. These characteristics have been further refined for the M2 Competition and adjusted to take the increased engine performance into account. The engine compartment conceals the most striking component: the CFRP high-precision strut from the BMW M3/M4. This one-piece component is made from extremely light, yet high-strength, carbon fibre and weighs in at just 1.5 kg. Together with the bulkhead strut from the M4, it significantly increases front section rigidity to improve steering behaviour and precision. The high-performance chassis also draws from the lightweight aluminium construction of the front and rear axles from the BMW M3/M4. In order to ensure precise wheel location, play-free ball joints are used to transmit transverse forces. The longitudinal forces passing through the chassis are passed directly into the torque struts via elastomer bearings. All the control arms and hubs of the new five-link rear axle are made from forged aluminium. In addition, a racing-derived rigid connection, dispensing with rubber bushes, is used to fix the lightweight steel grid-type rear subframe to the body. This further improves wheel location and tracking stability. BMW M engineers have adjusted the characteristic curves of the electromechanical power steering to improve performance and increase front section rigidity. The integrated Servotronic function with M-specific characteristics controls the level of steering assistance electronically according to the car's speed and the settings made with Drivelogic, which allow drivers to adjust power steering assistance at any time to their personal preferences. The Dynamic Stability Control has been completely recalibrated for the M2 Competition. The electronics exercise even more delicate control, providing improved traction in wet and slippery conditions, and ensuring that traction is not interrupted during drifts. Support is provided by the Active M Differential, an electronically controlled multi-plate limited-slip diff that takes traction and directional stability to a new level of precision and speed. The locking effect can be varied between zero and 100 per cent according to the driving situation and reacts to the car's steering angle, accelerator position, brake pressure, engine torque, wheel speed and yaw rate. The control unit uses this analysis of the driving situation to detect the traction loss on one side of the car and calculates the required locking effect, engaged by an electric motor. Full locking power of 2,500Nm is available within 150 milliseconds. This allows the system to prevent a wheel from spinning in extreme conditions on slippery road surfaces or when the two rear wheels are experiencing significant friction differences. In certain situations, the Active M Differential works actively. When pulling away on slippery surfaces, for example, the lock is closed by a defined percentage even before a wheel can start to spin, to ensure that both wheels develop equal slip at the same time. The lock is also closed by the required percentage through enthusiastically driven corners, according to the levels of lateral acceleration and power delivery. This prevents the low-traction inside wheel from starting to turn too quickly. This permanent and infinitely variable differential control also increases agility, avoids understeer on the way into corners and improves directional stability under braking and load changes. M Dynamic Mode (MDM) is a sub-function of Dynamic Stability Control (DSC), which can be activated automatically in Sport+ mode, or engaged manually. In track day circumstances, it allows a greater degree of wheel spin, letting the DSC intervene later, and increasing the freedom available to drivers at the dynamic limit. The extra wheel slip enhances traction and therefore propulsion. More significant oversteer and understeer are possible, as are moderate, controlled drifts, but the DSC can still be relied on to intervene in critical situations. With such high performance, good stopping power is essential. The high-performance M Sport brakes provide maximum performance and are a product of our extensive motorsport experience. Compared to the standard M compound brakes, with brake calipers painted in a blue metallic and perforated inner-vented brake discs, the M Sport brakes have larger pads (front axles: 400mm in diameter, rear axle: 380mm in diameter) and brake calipers (front axles: 6-piston fixed caliper, rear axle: 4-piston fixed caliper), painted grey. These high-performance brakes guarantee excellent deceleration in all conditions and are fade and heat resistant. The M2 Competition is also the first M2 to be equipped with selector switches on the centre console that allow instant control of the characteristics and settings for the engine, steering and, if M DCT is selected, Drivelogic functions. The various configurations can be combined with one another in whichever way the driver prefers and can be stored for easy access using the M1 and M2 buttons on the steering wheel. The standard range of equipment now includes a bold red start/stop button front Park Distance Control (PDC). << Prev Page 2 of 3 Next >> |
| Article | Image gallery (44) | Specifications |
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