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Review (2/2)

BMW 6 Series Gran Coupe Offers Top-Class Sporting Dynamics for Four Passengers

Source: BMW | Published: Mon Dec 12, 2011

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Upgraded TwinPower Turbo 6-Cylinder Powers the 640i Gran Coupe

The inline 6-cylinder engine (N55HP) in the new BMW 640i Gran Coupe will impress performance-minded drivers with its effortless power, exceptionally fast-revving temperament, outstanding refinement and exceptional fuel efficiency. The N55 has been setting standards from the start, as the pioneer of a new generation of engines in which BMW TwinPower Turbo technology with High Precision Direct Injection and VALVETRONIC variable valve timing plus a twin scroll turbo made its debut.

Thanks to intensive fine-tuning of the engine, BMW's engineers have managed to extract additional performance from the engine while maintaining its exceptional fuel efficiency. With a maximum power rating of 315 hp (225 kW) at 5,800 to 6,000 rpm, the 3.0-liter 6-cylinder engine reflects the sporty personality of the BMW 640i Gran Coupe and helps this automobile deliver brilliant performance. The high peak torque of 330 lb-ft, on stream between 1,300 and 4,500 rpm, ensures that the power is effortlessly and instantly delivered.

As a result, the 640i Gran Coupe can show off its prowess with a 0 to 60 mph sprint time of just 5.2 seconds. Top speed is electronically governed at 155 mph (250 km/h). All this extra performance comes with exceptional fuel economy and low emission figures. Fuel consumption in the EU test cycle is rated at 7.8 l/100km (30.1 mpg). EPA fuel economy ratings will be available closer to the on-sale date in the USA.

The 8-speed Sport Automatic transmission in the new BMW 6 Series Gran Coupe boasts a perfect combination of speed, flexibility, sportiness, and efficiency. What sets it apart are its minimal torque converter slip and rapid gear changes. An innovative gear set configuration allows this transmission to offer eight gears, maximizing acceleration at any road speed, yet allowing the driver to conserve fuel by cruising at low revs. Befitting the Gran Coupe's sporting character, the driver can choose to select gears manually via shift paddles on the standard Sport leather steering wheel.

Driving Dynamics Control with ECO PRO Mode

The new 6 Series Gran Coupe offers impressive driving dynamics combined with new standards of comfort in the premium segment. This is a result of superbly tuned suspension which achieves an astonishing balance between dynamics and comfort. On top of this, drivers are also able to vary the overall character of the car depending on the driving situation or to suit their personal preferences. As well as sportier or more comfortable drive settings, they can also opt for extra fuel efficiency. The different modes are selected using the new Driving Dynamics Control function including ECO PRO mode, which is standard on all 6 Series models. The driver can choose settings of COMFORT+, COMFORT, SPORT, SPORT+ and ECO PRO modes using the large rocker switch on the center console. Affected parameters include the tuning of the throttle response, power steering boost assistance, shock absorbers, automatic transmission shift characteristics and - if equipped - roll stabilization and Integral Active Steering. In SPORT+ mode, the Dynamic Traction Control mode of the standard Dynamic Stability Control system is activated, raising the thresholds for stability intervention in the most sport-oriented driving circumstances.

The new ECO PRO mode, meanwhile, supports an extra-efficient and economy-conscious driving style. It does this by changing the accelerator mapping so that the same pedal travel delivers less power than in the standard mode. Also in this mode, the automatic transmission control strategy is modified so as to upshift sooner and to delay downshifts, while intelligent energy and climate management reduces the mechanical power consumption and also the consumption of electrical systems such as heated mirrors and seats. But the biggest potential for improving fuel economy comes from the driver's own personal driving habits. Special displays in the instrument cluster let the driver know by how much the driving range is being extended, show fuel consumption history, or, with reference to the specific driving situation, provide tips and incentives on how to develop a more economy-conscious driving style. ECO PRO mode allows average fuel consumption to be reduced by up to 20%, with a corresponding increase in driving range.

Adaptive LED Headlights

The new Gran Coupe is equipped with Adaptive Xenon headlights as standard. An accentuating trim element cuts across the top of the hallmark BMW twin round headlights to produce the purposeful look familiar from other BMW models. The optional Adaptive LED Headlights provide a fresh take on this established feature. The Adaptive LED Headlights for low beam and high beam contain LED light rings for the parking lights and daytime running lights, which are flattened on the lower edge and overlapped at their top edge by an accent light - also featuring LEDs. The result is a stunning, distinctively BMW showcase for the innovative light technology. In addition, they also generate the low beam and high beam light from the two light rings. The light sources are horizontal LED ribs positioned in the center of the light rings. The brand's hallmark twin round headlight look is therefore expressed even more strikingly - not only with the daytime running lights switched on, but also when the headlights are activated in the dark.

However, the Adaptive LED Headlights are about more than just looking good; they also ensure the driver has optimum visibility. Their bright white light provides a bright and even illumination of the road ahead. From a color perspective, the light comes much closer to natural daylight than that created by conventional halogen or xenon headlights, lending even reflective objects far greater contrast. The cornering element of the Adaptive LED Headlights is also tailored to the car's speed, steering angle and yaw rate, allowing the pivot of the headlights to adapt automatically to the line of the corner. Meanwhile, a light source positioned specially in the headlight housing generates the cornering light which, at low speeds, ensures illumination of the road surface in the direction the car is turning. LED technology is also deployed for the turn signal indicators, each of which consists of eight LED units arranged in a row underneath the light rings. As well as enhancing visibility in the dark, the Adaptive LED Headlights also significantly improve the signaling effect of the car's lights.

Sporting Character and Generous Rear Space

The interior of the BMW 6 Series Gran Coupe offers a driving experience defined by sportiness and luxury, and enhanced by a specially generated ambience. The line of the roof pillars reproduces the car's arching roof form inside the car. In the rear compartment, the enveloping interior typical of a Coupe and comfortable seats offer excellent lateral support combined with generous freedom of movement and good visibility out of the car.

Its interior offers individually tailored seats for the driver, front passenger and rear passengers. High-quality materials, carefully coordinated colors and meticulously sculpted surfaces combine to produce an ambience defined by luxury, sweeping style and Teutonic functionality. A hallmark BMW element of the interior design is the driver-oriented cockpit layout. The central section of the instrument panel, containing the iDrive system's Central Display, the air vents and the controls for the audio system and air conditioning, are all angled slightly towards the driver. Added to which, the gearshift lever and the switches for the parking brake and Driving Dynamics Control are located on a surface that opens out towards the driver and is set lower than the front passenger side of the center console.

The front passenger area is bordered by a surface curving elegantly from the armrest over the side edge of the center console, upwards and outwards into the instrument panel and then horizontally into the door trim. This provides a harmonious surround for the front passenger area, creating a feeling of exclusive security. The contour of the rear waistline surface, which extends slightly into the interior between the head restraints, highlights the individual seat layout of the rear.

The black-panel instrument cluster of the Gran Coupe combines the traditional sports car circular instruments with state-of-the-art display technology. The Navigation system, telephone and entertainment functions are operated using the iDrive control system, whose Central Display boasts an innovative design. The on-board monitor takes the form of a freestanding display with a flatscreen look. The high definition display measures 10.2 inches across and features a high-quality galvanized chrome surround. The shallow depth of the display gives it a modern character. Trans-reflective technology ensures the display remains easy-to-read in bright sunlight. The new arrangement of the Central Display - which now reaches further into the passenger compartment -influences the architecture of the instrument panel, which rises steeply in front of the driver and front passenger. This impression is further enhanced by the structure of the door trim panels. Their surfaces have a powerfully taut look and, like the black waistline surface, pull in and rise up to create a smooth transition into the instrument panel, giving the interior the effect of wrapping around the driver and front passenger.

The optional Luxury Seating Package adds ventilated multi-contour, active seats, sunshades on both the rear side and rear windows and a four zone climate control system with additional controls located between the rear seats. While the Gran Coupe is primarily designed as a four seater, a fifth person can be accommodated in the rear compartment.

The BMW 6 Series Gran Coupe can be ordered in a choice of nine metallic exterior paint shades and three non-metallic colors. Other exclusive paint finishes are available as part of the BMW Individual range and in conjunction with the M Sport package. The colors and materials available for the interior, meanwhile, have been selected to enhance the feeling of elegant sportiness and luxury, and can be tailored to the customer's personal style. The standard Dakota leather can be ordered in a choice of three colors, the optional Exclusive Nappa leather is available in four different shades and extended Merino leather is available in five varieties (in combination with the Individual Composition or M Sport Packages). The instrument panel, door trim and center console are also finished in Nappa leather with contrasting stitching when the Nappa Leather option is selected. Customers can also choose from four interior trim variants and optional ceramic applications for the gear selector, iDrive Controller and other controls. Additional exclusive trims are available as part of the BMW Individual range and in conjunction with the M Sport package.

BMW Individual Range

Also available from launch is the BMW Individual range of products, which allows customers to tailor the exterior and interior of their BMW 6 Series Gran Coupe precisely and exclusively to their personal style. The four BMW Individual paint shades are joined in the range by BMW Individual special paint finishes and a selection of matt paint finishes. For example, the BMW Individual matt finish Frozen Bronze metallic is available exclusively for the BMW 6 Series Gran Coupe. BMW Individual light-alloy wheels in V-spoke design can be specified in 19 and 20-inch format. Those looking to give the interior of their car a particularly exclusive aura, meanwhile, may like to add BMW Individual fine-grain Merino full leather trim, an Alcantara BMW Individual roof liner, BMW Individual interior strips and the BMW Individual wood inlay for the steering wheel.

One of the highlights of the BMW Individual range of interior options is the Opal White full-leather trim specially developed for the BMW 6 Series Gran Coupe, combined with the interior color Amaro Brown. Here, the leather-covered instrument panel and Alcantara BMW Individual roof liner are also presented in Amaro Brown. The selection of materials, combinations of colors and a quality of workmanship showcase the exclusive character of the BMW Individual range. White contrast stitching for the instrument panel, armrest and door trim match the Opal White seats and door panels, while Amaro Brown seat stitching and piping complements the effect on the seats and door panels. In addition, BMW Individual Ash Grain White fine wood trim adds a particularly high-quality touch to the interior and fits in seamlessly with the overall color concept.

All the items in the BMW Individual range can also be ordered as individual options. And the BMW 6 Series Gran Coupe is also available with a BMW Individual composition of products in a perfectly judged combination of colors and materials.

HiFi Stereo System

The standard HiFi audio system in the new Gran Coupe comes with an HD Radio receiver, MP3-compatible CD drive, AUX-IN connection, and a HiFi loudspeaker system with nine speakers. The available Premium Sound Package adds SiriusXM satellite radio with a 1-year subscription, iPod and USB adapter, and the Premium HiFi system comprised of 12 loudspeakers and a digital amplifier. It features DIRAC signal processing and model-specific equalizing.

Bang & Olufsen High-End Surround Sound System

When it comes to delivering audio pleasure of the highest order, the Bang & Olufsen High-End Surround Sound System designed especially for the new BMW 6 Series Gran Coupe hits all the right notes. Jointly developed by the Danish audio specialists and BMW, this system produces an exceptionally natural sound from 16 speakers distributed around the cabin. It is a fully active system featuring digital signal processing, which means the two bass speakers, seven mid-range speakers and seven tweeters all have individual amplifiers. This technology enables the targeted modification of any sound reflections inside the vehicle. The Bang & Olufsen High-End Surround Sound System uses Dirac DimensionsT technology to recreate the acoustics of a reference listening room in the passenger compartment. All vehicle occupants therefore enjoy the same high-quality sound stage wherever they are sitting.

The electrical signals are converted into precisely defined sound waves using neodymium magnet drivers, and the mid-range speakers feature extremely stiff Hexacone diaphragms. The outstanding quality of the Bang & Olufsen High-End Surround Sound System is underlined by exclusive design features. The form and color of the advanced all-aluminum speaker grilles have been tailored precisely to the interior design of the new Gran Coupe. The special perforation pattern of the grilles is created using a very sophisticated drilling technique. The grille mounts are not visible from the outside, ensuring that the grilles stand out from their surroundings by appearing to float in a slightly raised position above the surface. This exclusive ambience is further enhanced by a discreet lighting effect, which showcases the contours of the sound sources with a subtly impressive effect. The B&O Acoustic Lens Technology element in the center of the instrument panel area adds both a visual feature and is an acoustic innovation. As soon as the audio system is activated, the central element containing the integrated mid-range speaker pops up, prompting the tweeter lens to be extended at the same time. The tweeter lens distributes its signals evenly at 180 degrees throughout the interior. This extraordinarily harmonious horizontal dispersion of sound is achieved through the special design of the lens, which also minimizes unwanted vertical sound dispersion.

Rear-View, Top View, and Side View Cameras

To supplement the standard Park Distance Control, which uses ultrasonic sensors to monitor distance from objects in front or behind, the Gran Coupe also features a standard rear-view camera. The camera is integrated in the trunklid under the BMW "roundel" badge, which protects it from dirt. When the rear-view camera is activated, the roundel badge pivots up out of the way to expose the camera lens. The perspective-corrected color images are relayed to the Central Display. Superimposed on the images are interactive tracking lines which indicate the optimal steering angle for parking, as well as the tightest turning circle.

The optional Top View system with Side View provides an even more comprehensive picture. In addition to the rear-view camera and the PDC sensors, this system also uses a fish-eye camera in each of the side mirrors. The data acquired by Top View is relayed to a central computer which generates a bird's eye view of both vehicle and surroundings and presents the image in the Central Display. This view allows the driver to maneuver precisely in confined spaces.

The Side View function uses two cameras integrated in the front fenders to provide an improved view of cross-traffic at speeds below 10mph. These images are relayed to the Central Display where they may give the driver an early idea of what is happening on the road to the left and right of the car when pulling out from narrow and concealed gateways or car park exits.

The BMW 6 Series Gran Coupe: Production in Dingolfing, Germany

The new BMW 6 Series Gran Coupe is built alongside its other 6 Series siblings at the BMW plant in Dingolfing, Germany. Also rolling off the assembly line at the BMW Group's largest production plant are the BMW 7 Series and BMW 5 Series models. The flexible and efficient processes at the plant combine state-of-the-art production technology with a standard of quality defined by meticulous craftsmanship in the manufacture of premium cars configured to customer order and satisfaction.

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