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Review (2/2)

2011 BMW X6 Sports Activity Coupe: Improved Performance and Efficiency

Source: BMW | Published: Thu Jan 06, 2011

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Sportiness and Luxury Within the Interior

The interior of the BMW X6 offers a unique synthesis of luxury, sporting dynamics, and powerful style. Tense surfaces blending into one another symbolize the active character of BMW's Sports Activity Coupe, sporting features such as kneepads on both sides of the center console, standard shift paddles on the sports steering wheel, and the fine scale on the circular instruments all create an excitingly different driving experience in the BMW X6 both on the road and off the beaten track.

With its four-passenger seating, the world's first Sports Activity Coupe is further distinguished from the other BMW X Models. The individual rear seats are separated from one another through the center console, the high-rising side supports, and the integrated headrests on all four seats. As a BMW X model, the X6 offers all four occupants an elevated, commanding seating position for the ride heigh and visibility that one expects of a vehicle of this type.

The BMW X6 is the only vehicle in the segment of BMW X models to feature a sports steering wheel with gearshift paddles, which enable the driver to shift gears manually on the six-speed automatic transmission, as standard equipment. Multifunction buttons on the sport steering wheel operate the telephone and audio systems quickly, smoothly and without distraction, while two additional buttons may be programmed individually according to the driver's personal preferences.

The kneepads on the center console offer the driver and front passenger additional stability in maneuvers in city traffic and when driving off-road under tough conditions.

V8 Engine with Twin Turbo Technology

With Twin Turbo technology and direct gasoline injection (High Precision Injection), this engine develops its maximum output of 400 hp throughout a broad range of engine speed from 5,500-6,400 rpm. Engine torque reaches its peak of 450 lb-ft throughout an unusually large rev range from 1,750-4,500 rpm. This sustained thrust is the result of Twin Turbo technology already featured on BMW's most powerful inline six combined with High Precision Injection. The cooling effect of direct fuel injection allows for a very high compression ratio of 10.0:1 - quite unusual on a turbocharged engine. The high compression ratio helps to give the engine its high level of efficiency and performance characteristics.

The position of the turbochargers and catalytic converters in the V-section between the two rows of cylinders is likewise an innovation in technology allowing particularly compact engine dimensions and at the same time requiring new configuration of the intake and exhaust ducts. This means shorter intake and exhaust manifolds and larger cross-sections which significantly reduce pressure losses on both the intake and exhaust side.

In combination with the new 8-speed automatic, the BMW X6 xDrive50i accelerates from 0-60 mph in just 5.2 seconds and boasts ample power reserves for exceptional acceleration at higher speeds.

New 8-speed Automatic Transmission with Steptronic

On both models of the X6, sending to the standard xDrive intelligent all-wheel drive system is BMW's new 8-speed automatic transmission with Steptronic control. The new 8-speed transmission is standard in the X6 xDrive50i and X6 xDrive35i, and raises the industry standard for compactness, efficiency, and gear selection. The new transmission weighs no more than its 6-speed predecessor, yet offers closer ratios in the lower gears for improved acceleration and two additional "tall" gears for relaxed, efficient cruising.

Using the console-mounted e-shifter, the X6 driver chooses from three shifting programs: Drive, Drive Sport, and Manual. In Manual mode, the driver selects from the eight forward gear ratios via the + / - action of the shifter (push forward to downshift; pull back to upshift). At any speed, Neutral is easily selected via a forward push of the selector from Drive and, when at a standstill, Park is selected by depressing the "P" button atop the shifter, or by pushing the Engine Start-Stop button (doing so will also stop the engine).

BMW Brake Energy Regeneration

BMW's Brake Energy Regeneration system incorporates a special deep-cycle Glass Mat battery with programmed alternator disengagement so that, most of the time, the vehicle's battery is only charged while the vehicle is coasting or braking. Over time, the Brake Energy Regeneration system can save 1-2% on fuel consumption.

BMW X6 Offers An Unparalled Driving Experience

The BMW X6 employs BMW's proven intelligent xDrive all-wheel-drive technology with electronic control to vary the distribution of drive power between the front and rear axles, instantaneously adjusting to driving conditions. However, the X6 takes xDrive a step further with Dynamic Performance Control. Featured for the first time on the BMW X6, DPC ensures variable distribution of drive forces between the two rear wheels. DPC incorporates an advanced computer control and an innovative rear differential incorporating two planetary gearsets and two clutch packs that enable the system to multiply torque on an individual rear wheel. The result is that DPC can help steer the vehicle by directing torque to either of the rear wheels. An industry first, this cutting-edge technology is effective whether the driver is accelerating or decelerating and significantly enhances steering precision and, as a result, the agility of the vehicle at any speed. In fast corners with abrupt steering maneuvers or with the driver suddenly releasing the gas pedal, DPC serves to improve the stability of the entire vehicle, thus allowing the driver to safely enjoy new dimensions of driving dynamics. Finally, on slippery or uneven surfaces, DPC provides the further advantage of even safer and more stable traction.

BMW iDrive, 4th Generation

Standard in the X6 xDrive50i and included with the optional Navigation system in the X6 xDrive35i is BMW's latest version of iDrive controller. iDrive enters its 4th generation building upon this pioneering development, while making it more natural, more intuitive, simpler and more elegant in its functionality - and more esthetically pleasing and enjoyable.

With the 2002 7 Series, BMW initiated a new direction in the control of vehicle features and functions; via a multi-menu color display and a mouse-like controller usable by driver and passenger alike, a potentially crowded landscape of buttons and knobs was supplanted by a computer-logic control path.

An overarching attribute of iDrive was the separation of control (via the console controller) and display (the centrally placed iDrive monitor). This basic arrangement remains; the controller has been further developed and the display has evolved markedly.

Positioned centrally in the instrument panel, the new control display sets higher standards for logical, readily understood menus and attractive graphics. The controller has been refined for comfortable, intuitive selection and activation of functions via standardized turn, push and tilt motions, while being augmented with new direct-selection keys for specific menus, plus more of the Programmable Memory Keys that were added to the system.

High-resolution Display

With its 8.8-in., high-resolution monitor, the new iDrive displays remarkably attractive images. It's a system appropriate to the vehicle it's in, achieved via up-to-date hard- and software. White-on-black menu lists; effective symbols and icons; contemporary graphics; and clear, consistent color-coding are among the elements that enhance not only function but also esthetics.

3D Navigation

This overall refinement of functionality means simpler and more enjoyable use of the optional Navigation. Full-screen map displays offer outstandingly detailed views of the geography; maps as well as specific symbols can be shown in 3-dimensional form. Selected points of interest along the travel route appear with near-photographic realism.

Mere input of destinations reveals the new system's impressive capabilities. If the destination appears on a list in the system, a preview map appears as the user scrolls the list; this can help distinguish between places with similar or identical names. If a destination (or a phone number) needs to be entered manually, this is done with a new, circular "speller" that makes the entry go more quickly.

BMW xDrive: Intelligent AWD

Permanent all-wheel drive with electronically controlled, variable distribution of drive power between the front and rear axles gives all BMW X models not only superior traction, but enhanced driving dynamics as well. BMW xDrive acts as an intelligent all-wheel-drive system by distributing drive power front to rear by way of an electronically controlled multiple-plate clutch according to driving conditions, in exactly the right dosage and to the axle with grip.

In normal driving situations BMW xDrive distributes drive power in a 40:60 split front-to-rear, with sensors consistently measuring wheel slip. Hence, the system is able within a fraction of a second to vary the distribution of drive forces, anticipating the upcoming situation and not just responding once a wheel has started to spin. This serves to stabilize the vehicle even before the driver notices any need for action.

On the X6 with Dynamic Performance Control, handling and stability are further enhanced with the ability to multiply torque to an individual rear wheel for yaw control. With the combination of xDrive and Dynamic Performance Control, the X6 is able to counteract even the slightest trend to over- or under-steer right from the start, at the earliest conceivable point, benefiting the driver's sense of driving dynamics and security.

Dynamic Performance Control

The positive effect of Dynamic Performance Control on the agility of the BMW X6 can be felt right from the start. In conventional everyday traffic, the vehicle steers into corners with great precision at any speed.

DPC likewise enhances the handling and, indeed, the overall control of the BMW X6 in sudden steering maneuvers and at particularly high speeds in corners. If the vehicle begins to understeer or push to the outside of a corner BMW xDrive and DPC will shift torque to the outside rear wheel in order to counteract the understeer. On the other hand, if the vehicle threatens to over-steer, xDrive reduces the transmission of power to the rear wheels then the DPC transfers torque and drive forces from the outer rear wheel and diverts these forces to the inner rear wheel.

Dynamic Stability Control

The difference in drive forces between the two rear wheels provided by Dynamic Performance Control can be as high as 1327 lbs-ft (1800 Newton-meters). But even then, all the driver will feel when DPC intervenes is a - significant - increase in agility, traction and driving stability. As a result of DPC's intervention, the Dynamic Stability Control intervenes much less frequently than before. In practice, this means that the driver is able to use the full drive power and torque of the engine much longer than with a conventional system. DSC will intervene on individual wheels or by reducing engine power only when the driver really pushes the vehicle to the extreme limits of physical performance.

In addition, DSC in the new BMW X6 offers a wide range of additional functions serving to promote safe and dynamic motoring including: ABS anti-lock brakes; Automatic Stability Control; Trailer Stability Control; Hill Descent Control; Cornering Brake Control and Dynamic Brake Control, automatically maximizing brake pressure when required in the interest of minimum stopping distances.

The DSC system in the BMW X6 has the ability to serve as an electronic limited slip diferential for improved acceleration. Fade Compensation can increase brake pressure under extremely high brake temperatures to maintain consistant brake forces. Brake Drying, in turn, optimizes brake performance in wet conditions by periodically lightly applying the brakes to dry the rotors, while the Start-Off Assistant prevents roll-back on an uphill grade.

The BMW X6 features a parking brake operating both electromechanically and hydraulically, activated or released simply by pushing a button.

Packages and Options

  • Active Ventilated Seats Package: Includes Active Comfort and ventilation features. 20-way adjustable Multi-contour front seats, standard on on the 50i, are included on the 35i
  • Cold Weather Package: The new lower priced package includes retractable headlight washers, heated steering wheel, and heated front seats
  • Premium Package: All models include Auto-dimming interior and exterior mirrors; digital compass; BMW Universal Transceiver; Ambiance Lighting package; Storage package; BMW Assist with a 4-year subscription and Bluetooth cellphone interface. The 35i also gets front lumbar support, which is standard on the 50i.
  • Premium Sound Package: Includes Premium sound system with 16 speakers, the iPod/USB Adapter ansSirius satellite radio with a one-year subscription.
  • Rear Climate Package: Includes 4-zone climate control, manual rear sunshades and Privacy Glass.
  • Sport Package: Includes 19-inch wheels, Shadowline exterior trim, anthracite-color headliner; Adaptive Drive: Active Roll Stabilization and Electronic Damping Control. Both models add the separate option of 20-inch wheels with performance tires. Sport Seats are included on the 35i and may be substituted for the standard Comfort Seats on the 50i. Comfort Seats may be substituted for the Sport Seats in the 35i for an addition charge.
  • Sport Activity Package: Includes 19-inch wheels, Shadowline exterior trim and anthracite-color headliner. Both models add the separate option of 20-inch wheels with performance tires. Sport Seats are included on the 35i and may be substituted for the standard Comfort Seats on the 50i.
  • Technology Package: Available for the 35i, it Includes Rearview camera with Top View, Navigation with Voice Command and Real Time Traffic Information with dynamic rerouting.

Factory Options

  • Active Cruise Control: Newly available on the X6 for 2011. The system enables the driver to maintain a set distance from the car in front by modulation either the throttle or the brakes. The Stop-and-Go function is capable of braking the X6 down to a full stop if required.
  • Lane Departure Warning: Also newly available for the X6 for the 2011 model year. When activated, the system sends an alert when the vehicle crosses a lane's dividing line without the driver signaling. As in other BMWs, the system vibrates the steering wheel rather than sounding an alarm, simulating the sensation the driver would feel when driving over a rumble srip.
  • Automatic High Beams: System automatically switches off high beam headlights when oncoming headlights are detected, then switches them back on when the vehicle has passed.
  • Active Steering: Active Steering varies steering ratio widely to achieve amazing agility at lower speeds while retaining stability at higher speeds. The system includes Servotronic vehicle-speed-sensitive power assist. Sport Package is required.
  • Adaptive Drive: Combines Active Roll Stabalization with Electronic Damping Control. Included in the Sport Package.
  • Comfort Access: Allows the owner to enter and start the X5 without removing the remote from his or her pocket.
  • Aluminum running boards: Dresses up the exterior and enables easier entry and exit from the vehicle.
  • Soft-close Doors: Pulls the door all the way closed and latches it for added convenience.
  • Multi-contour Front Comfort Seats: Available on the 35i as a stand-alone option or as part of the Active Ventilated Seats Package, these seats offer 20-way adjustability. Standard on the 50i
  • Sport seats: Available as part of the Sport Activity Package and Sport Package on the X6 xDrive35i and available as a no-cost alternative to the Multi-contour Comfort Seats in the 50i.
  • Heated front seats: Available as a stand-alone option or as part of the Cold Weather Package, these front seats offer 4 heating zones, rapid heating and 3-stage heating.
  • Heated rear seats: Available as a stand-alone option.
  • BMW On-board Navigation System: Available as a stand-alone option or as part of the Technology Package on the 35i, Navigation system includes the 4th generation iDrive controller and new 8.8-in. high resolution screen. The new system includes an 80-GB hard drive for data storage, 12GB of which can be used for music storage. Real Time Traffic Information with dynamic rerouting continues to be part of the system. Standard on the 50i.
  • Rear-view Camera with Top View: Available as a stand-alone option on the 50i and included in the Technology Package on both models.
  • Side-view camera: Provides an image of traffic crossing in front of the X6 from either side.
  • Head-up Display: Driver can read key information with minimal diversion. Includes variable brightness and positioning; can be turned off or on as desired.
  • Sirius Satellite Radio: Integrated into vehicle audio system, Sirius provides 120 stations with uninterrupted programming. Now priced at $350 including a one-year subscription.
  • iPod/USB Adapter: Enables an MP3 player to be played through the vehicle's audio system. This option fully integrates an iPod's functionality into the audio system and multifunction steering wheel and enables non-iPod MP3 players and thumbdrives to be used as well.
  • Rear-seat Entertainment System: Includes an 8.0-inch rear TFT screen with controller, DVD player and infra-red wireless headphones. Also includes wireless remote control and wireless headphones.
  • Nappa leather: This exquisite and supple leather is available as an option on both models and now includes a Leather Wrapped Dashboard.
  • Smartphone Integration: A connection and docking station provide full integration of a smartphone, while reception is provided through the vehicle's built-in antenna. Charging is also provided while the phone is connected.

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