BMW X5 2011 - A New Face and 400-hp Twin-Turbo Motivation

Monday, April 5, 2010

While BMW spent last year adding upgraded engines to its lineup, the X5 sat untouched, forced to enjoy only the 3.0-liter diesel found in the xDrive35d. A potent mill, yes, but the other Bimmers received a more efficient, single turbo inline-six; if they didn't, more power came to their twin-turbo setup. A 400-horsepower twin-turbo V-8 headlined the X6, while the M versions of the X6 and the X5 boasted a silly 555-horsepower. Now, the standard X5 gets its turn. Along with an exterior refresh, the 2011 BMW X5 receives two new powertrains.

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At the top of the hierarchy is the X5 xDrive50i, which features BMW's all-aluminum, twin-turbo V-8. With direct injection, variable valve timing, and its "reverse flow" setup (the turbochargers rest in the valley between the cylinders), the engine makes 400-horsepower and 450 pound-feet of torque, the latter from 1750 rpm to 4500 rpm. Similar to the X6, BMW claims that acceleration to 60 mph in the X5 xDrive50i takes 5.3 seconds. Yet the X5 undercuts the current Sports Activity Coupe by $8800 by starting at $59,275.

Underneath the V-8 is the xDrive35i. It receives the 3.0-liter single-turbo straight-six (known internally as N55) that has been replacing most twin-turbo mills in the BMW line. It should be no surprise that the engine makes 300 horsepower and 300 pound-feet of torque, but, interestingly, its 0-60 mph claim of 6.4 seconds matches that of the outgoing, V-8-powered xDrive48i. The xDrive35i starts at $46,675.

Both engines come attached to the same eight-speed automatic that BMW introduced on the 5 Series Gran Turismo and 760Li Sedan last year. It weighs no more than the replaced six-speed, BMW says, and the transmission offers closer ratios in the lower gears for improved acceleration and two tall gears for cruising. Both engines also gain brake energy regeneration, which disengages the alternator so that the deep-cycle Glass Mat battery only charges during coasting or braking. BMW says this technology is good for a 1-2 percent fuel consumption savings.

In the U.S., the diesel-powered xDrive35d remains unchanged in power (265 horsepower and 425 pound-feet of torque), price ($52,175), and fuel economy (EPA rated 19/26 city/hwy mpg).

The 2011 BMW X5 wears a new fascia with headlights and fog lights that sit higher and closer to the grille. BMW has exaggerated the air inlets and increased the number of painted material, giving the maw a lower, more aggressive appearance. A matte-finished silver protection plate highlights the lowest portion of the bumper. Out back, designers aimed to emphasize width with parallel horizontal lines, while the bodywork surrounding the exhaust pipes is painted. Color additions include Deep Sea Blue, Platinum Grey, and Sparkling Bronze.

Standard amenities on the xDrive35i, meanwhile, include xenon adaptive headlights, automatic headlights, rain sensors, HD Radio, automatic climate control, fog lights, 18-inch wheels, cruise control, and an anti-theft alarm system. An optional convenience package adds a panoramic moonroof, auto-dimming mirrors, ambiance lighting, Bluetooth, and your choice of three wood interior trims. Navigation, window shades, satellite radio, and a USB adapter are standalone options.

A Premium trim, for $52,475, offers 19-inch wheels, roof rails, panoramic moonroof, power adjustable steering column, USB adapter interface, and privacy glass. Opting for Premium opens up four packages that include ventilated seats, the Convenience Package, Cold Weather Package, and Technology Package. The $54,975 Sport Activity option boasts 20-inch wheels, sport seats, Shadowline exterior trim, and an Anthracite headliner. Above that, an M Sport option adds performance tires, Adaptive Drive, aluminum roof rails, aerodynamic trimmings, an increased top speed (to 150 mph), and M logos for the sill plates, driver footrest, and steering wheel.

The 2011 BMW X5 will make its debut at the New York auto show in April.

By Carlos Lago

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