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| BMW M440i xDrive |
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<< Prev Page 2 of 2  Mild hybrid technology has been included with all diesel engines and with the straight-six petrol unit of the flagship BMW M440i xDrive Coupé. Fitting a 48V starter-generator and second battery greatly increases the scope for utilising Brake Energy Regeneration and the electrical power it produces.The recuperated energy collected by the 48V battery can be supplied to the 12V electrical system or used for generating additional drive power when fed back to the 48V starter-generator. When the car is accelerating, the generator is also able to offer the driver an electric boost effect that instantly makes an extra 11hp available. The trio of petrol engines available for the new BMW 4 Series Coupé feature latest-generation BMW TwinPower Turbo technology, including a twin-scroll turbocharger, an enhanced High Precision Injection system, VALVETRONIC fully variable valve timing and Double-VANOS variable camshaft timing. Developed with the expertise of BMW M GmbH, the straight-six unit powering the BMW M440i xDrive Coupé ticks all the right boxes for sporty driving pleasure. The special racing division’s influence means the engine, eight-speed Steptronic Sport transmission, intelligent all-wheel drive and bespoke chassis technology (including M Sport differential) complement one another. The new 3.0-litre. six-cylinder in-line unit comes with weight-optimised pistons and con rods, a twin-scroll turbocharger with indirect charge air cooling, and water-cooled exhaust manifold integrated into the cylinder head. It generates 374hp and maximum torque of 500Nm. The car can sprint from 0-62mph in only 4.5 seconds, while still returning average fuel consumption of 39.8 – 41.5mpg, equating to CO2 emissions figures of 163 – 155g/km. The BMW 430i Coupé and BMW 420i Coupé benefit from extensively upgraded four-cylinder petrol engines. The more powerful of the 2.0-litre pair generates 258hp and peak torque of 400Nm. This enables the new BMW 430i Coupé to accelerate from 0-62mph in 5.8 seconds. The engine’s optimised efficiency levels result in combined fuel consumption and CO2 emissions figures of 46.3 – 49.6mpg and 141 – 131g/km respectively. The four-cylinder engine in the new BMW 420i Coupé has a maximum output of 184hp and peak torque of 300Nm, enabling it to get from 0-62mph in 7.5 seconds. The new BMW 420i Coupé returns average fuel consumption figures of 48.7 – 53.3mpg with CO2 emissions of 132 – 122g/km. A new, highly responsive two-stage turbocharging system now forms part of the BMW TwinPower Turbo technology integrated into all diesel engines for the new BMW 4 Series Coupé. The 2.0-litre four-cylinder diesel unit in the BMW 420d Coupé and BMW 420d xDrive Coupé additionally uses an advanced version of the common-rail direct injection system. The engine generates maximum output of 190hp and peak torque of 400Nm, enabling a 0-62mph sprint times of 7.1 seconds (BMW 420d Coupé) and 7.4 seconds (BMW 420d xDrive Coupé). Efficiency has likewise improved, with combined fuel consumption of 67.3 – 72.4mpg and CO2 emissions of 112 – 103 g/km for the new BMW 420d Coupé, and 61.4 – 65.7mpg and 121 – 112 g/km for the BMW 420d xDrive Coupé. Multi-stage turbocharging technology also features in the 3.0-litre six-cylinder in-line unit powering the new BMW 430d xDrive Coupé (due to become available from March 2021). The turbocharging system’s variable turbine geometry ensures a high level of responsiveness, with 650Nm of peak torque on tap. Maximum output is 286hp, allowing the car to accelerate from 0-62mph in 5.2 seconds. The new BMW M440d xDrive Coupé (due in March 2021) features a straight-six, 3.0-litre diesel engine producing 340hp. Peak torque, meanwhile, has increased to 700Nm. For optimum response and power delivery, the new power unit’s high-pressure and low-pressure stages both feature variable turbine geometry. The new BMW M440d xDrive Coupé requires just 4.7 seconds to reach 62mph from rest. This is the first time that every BMW 4 Series Coupé has been fitted with an eight-speed Steptronic transmission as standard. The latest version of the automatic transmission has been revised to provide even sharper shift characteristics with greater efficiency and refinement. All models are fitted with shift paddles on the steering wheel. Besides the Launch Control function for traction-optimised acceleration off the line, the eight- speed Steptronic Sport transmission is also the first to feature the brand-new Sprint function, designed to maximise performance when putting in a sudden burst of speed or overtaking. The Sprint function features as standard in the BMW M440i xDrive Coupé and BMW M440d xDrive Coupé and is available for all other model variants in conjunction with the M Sport package Pro. The BMW xDrive intelligent all-wheel-drive system likewise helps to sharpen the car’s driving properties, relaying power to the wheels as required. Where all-wheel drive is not needed, all the power is directed to the rear wheels – guaranteeing the driving experience for which BMW is renowned. The weight-minimising design of the BMW 4 Series Coupé’s body and chassis components feature an intelligent mix of steels and alloys to minimise vehicle weight and deliver enhanced body rigidity and crash safety. Underneath, the car uses an engine side member (made from extruded aluminium profiles) and die-cast aluminium spring struts, while the exterior features an aluminium bonnet, front side panels and doors. A material made from natural fibres is used for the bootlid lining. A comprehensive passive safety concept maximises occupant protection. Alongside the super-stiff passenger cell and highly resilient supporting structures, it also includes integrated safety electronics that deploy the restraint systems in the right sequence, at the optimum moment and with the required effect for the type and severity of the collision. The new BMW 4 Series Coupé is also equipped as standard with an active bonnet system to optimise pedestrian protection. The new BMW 4 Series Coupé utilises an enhanced version of the 3 Series Saloon chassis to offer improved handling and reinforce its sporting character. An almost completely sealed underbody, improved air flap control and numerous other measures have led to a reduction in drag, reflected in a Cd as low as 0.25 (BMW 420d Coupé). The extra 23 millimetres of track width at the rear axle compared with the new BMW 3 Series Saloon, 50:50 weight distribution and a centre of gravity that is 21 millimetres lower than the Saloon significantly aid agility. Customers can tailor the driving experience with options that include M Sport suspension, Adaptive M suspension with variable sport steering, M Sport brakes and the M Sport differential. Targeted measures for increasing the stiffness of the body structure and suspension mountings strengthen the distinct driving qualities of the new BMW 4 Series Coupé. Model-special features include a shear panel for connecting the front spring strut towers to the bulkhead and integral tower-to-front end struts. Bracing elements have also been added to increase stiffness in the rear axle area. The design principle of a double-joint spring strut front axle and five-link rear axle offers an outstanding basis for combining precise handling with impressive long-distance comfort. The standard lift-related dampers aid performance and comfort, reducing body movement on bumpy road surfaces as well as improved handling on cornering. Increased damping forces, firmer springs and anti-roll bars have been employed to give the new BMW 4 Series Coupé supreme handling characteristics. The M Sport suspension, standard across the range, includes stiffer settings for the lift-related damping and the likes of additional body struts, more rigid mounts, firmer anti-roll bars and increased negative wheel camber. The optional Adaptive M suspension combines all the qualities of M Sport suspension with electronically controlled dampers. Continuously adjustable valves allow the damping force to be metered at each wheel individually and as a function of vehicle load. Switching between the various Driving Experience Control switch modes produces a clearly perceptible variation in the damping characteristics. An extra mode can also be selected using the Driving Experience Control switch on models with Adaptive M suspension. In the ADAPTIVE setting, the steering, damping and accelerator responses along with the Steptronic transmission’s shift characteristics are automatically adjusted to suit the driving style. Electric Power Steering including Servotronic speed-sensitive power assistance is fitted as standard. Variable sport steering, with a ratio that adjusts to changes in the steering angle, is part of the M Sport suspension and Adaptive M suspension set-ups. M Sport models come with 18-inch M light-alloy wheels whilst M Sport Pro package upgrades to a 19-inch M light-alloy wheels. M440i xDrive Coupé and M440d xDrive Coupé are fitted as standard with unique Cerium Grey Double Spoke 19-inch light-alloy wheel. 20-inch light-alloy wheels for the new BMW 4 Series Coupé are available from the Original BMW Accessories range. The brake discs consist of a grey cast iron friction ring with an aluminium brake disc chamber. The optional M Sport brakes (standard on the new BMW M440i xDrive Coupé and BMW M440d xDrive Coupé) provide excellent braking performance and intuitive feel. The performance-focused set-up includes four-piston fixed callipers at the front and single-piston floating callipers at the rear. The callipers bear the M logo and are painted in a blue as standard for M Sport Models. BMW M440i xDrive Coupé and BMW M440d xDrive Coupé models are differentiated with the newly introduced red brake callipers, but customers can choose to replace these with blue callipers for no-cost if desired. The M Sport differential is standard in the BMW M440i xDrive Coupé and BMW M440d xDrive Coupé and optionally available on the BMW 430i Coupé and BMW 430d xDrive Coupé if the M Sport Pro Package is specified. The DSC system optimises the transfer of power to the road by carefully adjusting the distribution of drive power between the wheels. This enables better acceleration out of corners and improves handling capabilities when negotiating a quick succession of bends. It also improves directional stability when changing lanes at the same time as braking. The standard and optional driver assistance systems in the new BMW 4 Series Coupé have undergone a major upgrade over the outgoing model. They process camera images and the data gathered by ultrasonic and radar sensors to monitor the vehicle’s surroundings to warn of potential hazards and to minimise the risk of an accident with corrective braking or steering inputs. Intelligent system control enables them to enhance both comfort and safety, paving the way for automated driving in the new BMW 4 Series Coupé as well. Front collision warning is now standard on the` new BMW 4 Series Coupé. It comprises collision and person warning with city braking function that can detect vehicles, pedestrians and cyclists. Speed Limit Info, including no-overtaking indicator and the Lane Departure Warning system with lane return by steering assistance, are also standard. Cruise control with braking function comes as standard, while Active Cruise Control with Stop&Go function is available within the Driving Assistant Professional package. l The Driving Assistant Professional is a complete package of measures designed to enhance comfort and safety in all traffic situations. As such, it embodies the latest progress towards automated driving. The system takes all the elements of the Driving Assistant and combines them with Active Cruise Control. The standout feature is the Steering and Lane Control Assistant. This system takes its bearings from road markings and vehicles driving ahead courtesy of the data from a trifocal camera and a front range radar, enabling it to work with the driver to help centre the vehicle in the detected lane with corrective steering inputs. Active Navigation helps the driver to keep to the route calculated by the navigation system on motorways. When approaching a motorway intersection or exit, a display in the instrument cluster indicates the need to change lane. In preparation, the system adjusts the car’s speed to make it easier to steer into a suitable gap in the adjacent lane. The optional BMW Head-Up Display projects driving-related information onto the windscreen in the driver’s field of vision. It now has a 70 per cent larger projection area, optimised graphics and additional content. The 3D visualisation of the surrounding area in the instrument cluster provides the driver with an overview of the activated assistance systems and the functions they can offer. Drivers of the new BMW 4 Series Coupé are also able to rely on extensive assistance systems fitted as standard in the UK. The Parking Assistant, which simplifies the task of selecting and making use of spaces either parallel or perpendicular to the road. The system takes care of steering the car, accelerating and braking, and makes any necessary gear changes. Reversing Assistant is also standard on every 4 Series assisting the driver by recording the forward trajectory of the car and at the request of the driver reversing back without steering assistance for up to 50 metres. Parking Assistant Plus with Drive Recorder is optionally available and offers customers 360° view around the vehicle with a three-dimensional visualisation of the vehicle from different perspectives on the Control Display. BMW Drive Recorder uses the cameras of the various driver assistance systems to record and store video footage from different points around the vehicle. When activated, the Drive Recorder shoots and stores 40 seconds of video. In the event of a collision, a period of up to 20 seconds either side of the moment of impact is automatically recorded and saved. << Prev Page 2 of 2 |
| Article | Image gallery (18) | Specifications |
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