2011 BMW Alpina B7 Sedan - Pictures, Features, Specs

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The 2011 BMW ALPINA B7 is set to join BMW’s North American product range as the most dynamic 7 Series models.

2011 BMW ALPINA B72011 BMW ALPINA B7View more 2011 BMW Alpina B7 pictures in our 2011 BMW Alpina B7 photo gallery

The BMW ALPINA B7 represents the second generation of ALPINA automobiles based on the BMW 7 Series to be offered in the US. The first BMW ALPINA B7 was offered as a limited edition for the 2007 and 2008 model years.

2011 BMW ALPINA B72011 BMW ALPINA B7

Newly interpreted and based on the current BMW 7 Series platform, the B7 will again set the benchmark in terms of performance, refinement, technology, luxury and exclusivity. In addition, the BMW Alpina B7 will be available for the first time with BMW’s award winning xDrive all-wheel-drive system.

Yielding exquisite levels of power and torque from the twin-turbocharged 4.4 liter V8, and in conjunction with the electronically-adjustable suspension with active roll stabilization, the new B7 promises to offer a spectrum of driving experiences so broad as to be unheard of in this class of automobiles. The evolution of the traditional 20-spoke 21” ALPINA CLASSIC wheels underline the fresh design language found throughout the B7 and impart it a distinctive appearance and powerful stance.

2011 BMW ALPINA B72011 BMW ALPINA B7

Both standard- and long-wheelbase models will be offered in both rear-wheel-drive and all-wheel-drive. All four models will go on sale at authorized BMW Centers in May 2010.

ALPINA and BMW. A history of synergy.
ALPINA – a name famous in Europe and the wider world for putting a particular performance accent on BMWs, though not yet so well-known in North America. BMW – a name famous all over the world for motor vehicles of performance, quality, luxury and safety.

2011 BMW ALPINA B72011 BMW ALPINA B7

The two companies, both at home in the German state of Bavaria, have a long history of working together to produce special BMW automobiles. Burkard Bovensiepen, son of the founder of ALPINA Business Machines and an enthusastic racing driver/engineer, began his automotive career path in 1961 by developing a dual-carburetor setup for the just-introduced BMW 1500 sedan. It was a predictive beginning: to take an already fine-performing BMW (which also just happened to be a practical sedan) and making it perform even better.

By 1964, BMW had officially recognized ALPINA’s contribution to BMW performance. Not long thereafter, Burkard Bovensiepen founded the ALPINA company – ALPINA Burkard Bovensiepen KG – that continues today, creating special versions of BMW automobiles that offer a particular brand of performance for discriminating auto enthusiasts. Yet outside the circle of dedicated BMW enthusiasts, ALPINA has kept a low profile in North America. In addition to racing versions of BMWs, ALPINA has developed a progression of BMW-based cars based on 3, 5, 6, 8, Z4 and Z8 models and offered them on a limited-production basis. ALPINA is located in the small Bavarian city of Buchloe, some 50 miles southwest of Munich, BMW’s headquarters city and the capital of Bavaria.

2011 BMW ALPINA B72011 BMW ALPINA B7

The B7 is the newest manifestation of the unique BMW-ALPINA synergy – once again based on the BMW 7 Series luxury sedan. Currently, BMW offers ultra-performance models of its 3, 5, 6, X5 and X6 Series developed by BMW M, BMW’s own performance subsidiary. For an ultra-performance version of the 7 Series – a vehicle defined by luxury and generous interior space – something other than “M” performance character was called for.

In recent models, ALPINA has concentrated on delivering very high levels of performance with moderate rpm ranges and automatic transmission. Most appropriately, the new BMW ALPINA B7 applies this philosophy to the newest 7 Series to produce a luxury sedan of stunning performance. “A 7 Series Beyond,” one might say.

2011 BMW ALPINA B72011 BMW ALPINA B7

Powertrain
The B7 sedan is equipped with BMW’s twin-turbocharged 4.4 liter, all-aluminum, High Precision Direct Injection V-8 engine which has been enhanced by ALPINA and is capable of producing 500 (373kW) horsepower and 516 lb-ft (700Nm) of torque. This rear-wheel drive performance/luxury Sedan achieves 0-60 mph in 4.5 sec. With maximum torque available across an unusually broad engine range, from 3,000 to 4,750 rpm, the B7 accelerates effortlessly from virtually any speed.

The two turbochargers operate in parallel, with generously-dimensioned turbine vanes measuring 44mm in diameter. Thorough exploitation of the engine’s potential was achieved by means of optimizing the indirect intercooler (air-water/water-air) with its short intake paths and flow-optimized intercooler tracts. All three intercoolers, the low-temperature intercooler integrated into the radiator package, as well as the two near-engine intercoolers are enlarged by approximately 35%, ensuring very high thermodynamic efficiency. High-performance pistons have been specified to withstand the thermodynamic forces created by a 9.2:1 compression and a maximum turbo boost of 1.0 bar. The result is a formidable specific output of 115hp (85kW) per liter, with a maximum average compression of 20.1 bar, a benchmark even amongst established sports cars.

2011 BMW ALPINA B72011 BMW ALPINA B7

This wide power band coupled with the six-speed sport automatic transmission gives the driver remarkably high levels of power and capability in every driving situation. The ALPINA SWITCH-TRONIC transmission control offers tailored shift characteristics for every driver and situation thanks to its Sport and Manual modes. To manually select the gears of the automatic transmission, the driver may use buttons found on the back of the ALPINA-tailored steering wheel. This results in shifts which take place in a few hundred milliseconds with minimal power interruption.

Ending in two polished double-tailpipes, the stainless-steel ALPINA exhaust system offers up that deep and sonorous yet not intrusive V8 sound that enthusiasts have come to expect from ALPINA.

Chassis & Suspension
The BMW ALPINA B7 builds on the state-of-the-art adaptive suspension technologies of the 7 Series, including tuned Dynamic Damping Control and Active Roll Stabilization, to the demanding requirements of a high performance sedan.

2011 BMW ALPINA B72011 BMW ALPINA B7

Long gone are the days when a purely “hard and sporty” ride was a sought-after attribute of suspension set-ups. Striving for truly neutral handling continues to be the goal, yielding the best of what is technologically feasible. In pursuit of this goal, shorter and uniquely calibrated springs reduce front and rear ride height by 15mm and 10mm respectively. Dynamic Damping Control and Active Roll Stabilization enable the driver to select from three distinct suspension set-ups: Comfort, Normal and Sport. These are intentionally calibrated to provide noticeably different set-ups, influencing the characteristic of the dampers, the Active Roll Stabilization as well as the parameters of the power steering assist, throttle response algorithms and load-reversal damping. The Sport-Plus mode automatically shifts the Dynamic Stability Control system into Dynamic Traction Control (DTC). This allows noticeably more slip at the driven wheels and delayed intervention by the traction control system.

Together with the 21” wheel and tire combination, the suspension is at once sensitive to inputs and direct in its feel, yet free from the harshness of a purely sports-oriented suspension. The light-weight 21” wheels, with their new interpretation of the ALPINA CLASSIC wheel design, are shod with a specially selected staggered MICHELIN PS2 tire set-up: 245/35 R21 front and 285/30 R21 rear.

The result is that the BMW ALPINA B7 captures an agility associated with much smaller sedans, while preserving the ride quality associated with the BMW 7 Series.

2011 BMW ALPINA B72011 BMW ALPINA B7

Alpina Powertrain + xDrive: The perfect combination of handling and traction

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 also enhanced driving dynamics. Indeed, BMW xDrive gains its superiority 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.

The xDrive system the Alpina B7 xDrive models has been tuned to ensure that these models set a new benchmark for handling characteristics among all-wheel drive sedans. BMW’s Integrated Chassis Management, using the remarkable speed of its FlexRay on-board network and the quick-responding xDrive hardware, is able to identify and limit understeer by shifting torque rearward while preserving the stability for which xDrive has been so widely recognized.

As a second step, the Integrated Chassis Management system can then apply a precise combination of throttle and individual rear-corner braking in order to maintain perfectly neutral handling in a corner - regardless of road surface conditions.

An additional feature of xDrive is Hill Decent Control that is now possible on the B7. Hill Decent Control is activated by a button on the center console and, using xDrive and individual brakes, is able to can automatically control the vehicle decent down a steep, icy and curvy road allowing the complete steering control. The Hill Decent Control can be programmed to maintain a set speed of 6 to 15 mph using the Cruise control rotary button on the steering wheel. Hill Decent preset speed and operation is shown in the display below the speedometer.

These key enhancements to xDrive ensure that the Alpina B7 xDrive will be the most nimble all-wheel drive sedans available in any vehicle segment.

Design
The B7 sedan is finished with ALPINA aerodynamic developments, including front and rear spoilers which not only enhance the appearance but also improve stability and performance at high speeds. In true “form-follows-function” fashion, the ALPINA front integrates the fresh-air requirements of the transmission and engine oil coolers, which are separated out of the main cooler module for improved efficiency. The spoilers reduce lift at the front by 30% and rear by15%. The exhaust system’s two double tailpipes are seamlessly integrated into the rear bumper. The newest evolution of the traditional 20-spoke ALPINA CLASSIC wheels gives the B7 a distinctive appearance and powerful stance.

The interior of the B7 sedan features ALPINA blue illuminated door sill trims, the SWITCH-TRONIC steering wheel in hand-stitched LAVALINA leather, and the Black-Panel LCD screen instrument cluster branded with ALPINA. Exclusive interior luxury wood trim in the form of Myrtle Burl, a knotted burl of the Laurel only found on the Pacific Coast of the United States, provides a warm and traditional ambience. Optional ALPINA Piano Lacquer interior trim with its silver diagonal rhombs, offers a modern alternative.

The full complement of BMW 7 Series exterior colors remains available, in addition to the signature ALPINA Blue metallic paint.

Discreet metal ALPINA emblems adorn the upper seatbacks of the standard leather Comfort seats and are inlayed in the wood trim. An additional ALPINA plaque indentifying the car is mounted on the inner roof panel just ahead of the sunroof. Even the engine bay carries a subtle signature by tidily presenting itself with a newly-designed ALPINA engine cover.

View more 2011 BMW Alpina B7 pictures in our 2011 BMW Alpina B7 photo gallery:

2011 BMW Alpina B7 specifications, overview, information and imagery courtesy of: BMW

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