BMW helped invent the compact luxury SUV category with its X3, but that doesn't win it any gold stars. Its revamped 2011 BMW X3 enters a market now thick with similar offerings, and it will take a major effort on Munich's part to get its new crossover back to the head of the pack.

That effort begins with a choice of revised engines. Base level 2011 X3s will roll out of BMW's Spartanburg, South Carolina plant at the end of 2010 with a naturally-aspirated 'N52' 3.0-liter I-6 producing 240 horsepower. The current X3 makes 260 horsepower from its inline six, but the new model is estimated to hit 60 mph at 6.7 seconds, roughly a half-second quicker than the outgoing model. Those with lead feet should head for the xDrive35i, which is powered by BMW's direct-injection 3.0-liter turbo I-6. The engine features 300 horsepower and 300 lb-ft of torque. Acceleration from 0-60 mph will take just 5.5 seconds, according to BMW. Opt for the sport package, and you can push the X3 to a 150 mph top speed.

Both engines will be mated to an eight-speed automatic transmission, putting the proverbial nail in the coffin for the current six-speed manual option. Still, BMW claims the X3 xDrive28i and xDrive35i will be the most efficient and fun-to-drive vehicles in its segment. The current X3 is already competitive on a fuel consumption level, and after our initial drive of a pre-production X3 xDrive35i, it looks as though BMW has delivered on creating a more engaging experience from behind the wheel.

The new eight-speed gearbox has four planetary gearseats and five clutch packs. When a situation demands, the X3 can downshift from 8th to 2nd gear with one clutch pack disengagement, making the switch seem instantaneous.

In the all-wheel-drive X3, torque is typically divided 40/60 percent between the front and rear wheels, although its Performance Control system can shift the torque split to 20/80 percent front to rear when the situation warrants. The system can also help rotate the vehicle by applying additional power to the outside wheel and also applying the inner rear brake. Up to 100 percent of the X3's torque can be sent to the rear wheels in extreme conditions.

The X3 has a double-joint spring-strut suspension in front and a multi-link rear suspension. Models equipped with the Electronic Damping Control (EDC) get shock absorbers that adjust to road conditions and driving style. EDC offers three driving settings that change the power steering assist level, transmission settings, and engine throttle response.

Even with more dynamic driving characteristics, compared to the outgoing model, the 2011 X3 is 0.5 inches taller, 3.4-inches longer, 1.1-inches wider, and has 0.5 inches more ground clearance. The wheelbase, at 110.6 inches, has been extended 0.6 inches. BMW purists may complain about the X3's bloated dimensions, but rear seat passengers certainly won't. The second row seats have far more leg and elbow room than the outgoing X3. Cargo capacity, BMW boasts, is the largest in the segment at an estimated 56.6 cubic feet with the second row folded.

Further forward in the cabin, the optional navigation system's display takes center stage. The nav system includes the fourth generation of iDrive and an 8.8-inch high-resolution trans-reflective screen. Drivers of the new X3 may notice the SUV is quieter at highway speeds yet still responsive to a jab of the accelerator pedal.

All X3s benefit from fresh styling that is recognizable to current X3 owners yet still brings the model up to date with BMW's latest design direction. A more upright hood and body-colored front fascia improve the X3's styling in front while a bold character line sweeps up the side of the doors. Another character line adds interest above the rear wheels and yet another one starts from the tip of the headlights. Whether the changes make the 2011 X3 more attractive or just plain busy, is personal preference.

The most significant missing puzzle piece now is price. A base 2010 BMW X3 retails for just under $40,000, a price significantly higher than all-wheel-drive competitors from Audi, Mercedes-Benz, and Acura. Priced aggressively, the 2011 X3 has the potential to regain leadership in a class of vehicles it helped to popularize.

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