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2009 BMW 750Li review:

2009 BMW 750Li

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Starting at $80,300
  • Engine Turbocharged, 8 Cylinder Engine
  • Drivetrain Rear Wheel Drive
  • MPG 17 MPG
  • Passenger Capacity 4, 5
  • Body Type Sedans

Roadshow Editors' Rating

8.8 Overall
  • Cabin tech 9
  • Performance tech 9
  • Design 8
Jul 2009

The Good BMW loads the 2009 750Li with useful driving electronics such as a head-up display, lane departure warning, and adaptive cruise control. The navigation system features lush topographical maps with live traffic. iPod and phone integration are both excellent. The car's suspension and power train can be set for different modes, including sport and comfort.

The Bad Poor fuel economy sticks the 750Li with a gas guzzler tax. Blind-spot warning lights aren't bright enough. The night vision display's placement impinges on the system's usefulness.

The Bottom Line The 2009 BMW 750Li delivers impressive tech features on all fronts, helping justify its high price. It offers the best cabin tech package among its competitors.

Among mass market automakers, very few brands offer flagship sedans designed to be the epitome of luxury and performance. Lexus has its LS, Mercedes-Benz its S-class, and BMW the 7-series. The latest incarnation of the latter is the all-new 2009 BMW 750Li. Signifying a major update, this 750Li starts a new internal body designation series, going from the previous E66 to F02 for this 2009 model.

As Lexus and Mercedes-Benz do with their flagships, BMW pours all of its technology into the 750Li. Because its competitors haven't been updated in a few years, the 750Li gets to trump them with new tech features such as night vision with pedestrian recognition, dynamic traffic avoidance, lane departure warning, a head-up display, and a navigation system with topographic maps.

The L in the model name indicates a longer wheelbase than the standard model, with about extra 5 inches going to the back seat. Thus, it's a good choice for a chauffer-driven car, made more attractive by a rear-seat entertainment system, rear-seat audio system control, little foot rests, and a refrigerator between the back seats. But although the 750Li is just over 17 feet long, it doesn't look too big.

The rear seat is not a bad place to be in the 750Li.

The new iDrive
We spent most of our time in the front seat of this big 7--the proper place to be in a BMW. The most immediately noticeable update in the new 7-series is the iDrive system, a vast improvement over the old version. This new iDrive, which we previously saw in the BMW 335d, does away with the quadrant-style main menu in favor of a simple list. Although the main dial/joystick is similar to the old version, buttons have been added for quick access to navigation, audio, and phone screens. But it's really the update to the software interface that makes all the difference, as it's now much more intuitive.

And the new iDrive interface also means a full cabin tech upgrade, such as the hard-drive-based navigation system, which impresses with its beautiful 3D perspective topographic maps. We found the voice control system works very well for entering addresses, providing onscreen prompts for available commands at each step and recognizing full street names as we spoke them.

Once on the road, our car's optional head-up display provided excellent route guidance, projecting turn directions and street names on the windshield. The only drawback with this system is its lack of text-to-speech. As the 750Li guided us on our route, the navigation system, with its live traffic reporting, kept us advised of traffic jams ahead, finding detours as needed.

BMW has always had a hard time with true luxury, as the company is more sport-focused and this is reflected in the ride quality of the 750Li. With the suspension set in comfort mode, it's still not quite as smooth as the Mercedes-Benz S550. But in keeping with BMW's other models, the 750Li has multiple personalities. Buttons on the console let you cycle through four different modes, Comfort, Normal, Sport, and Sport Plus, which govern not only the suspension rigidity, but throttle response as well.

Changing the car's driving dynamic activates a corresponding graphic on the LCD.

Finding a nice, straight bit of road, we try a few fast starts using the different modes. BMW claims 5.3 seconds to 62 mph, and we were expecting an impressive push from the new power train, a 4.4-liter V-8 fitted with twin turbochargers. Similar to the twin-turbocharger BMW developed for its 3-liter inline six-cylinder engine, this V-8's turbochargers are small and fit between the two banks of cylinders in the V. Spooling up just above the engine's idle speed, they are not supposed to cause turbo-lag.

But stomping the gas pedal to get a fast start, the 750Li doesn't take off like a rocket, instead hesitating a little before a rapid speed build-up. It's a big car, weighing over 4,500 pounds, so it's not surprising that the engine can't overcome its inertia immediately. But once it's rolling, the engine's 407 horsepower and 442 pound-feet of torque get the car moving fast. The car's Sport Plus mode actually loosens up the traction control, but even that wasn't enough to break the tires' grip on the asphalt.

Driver's little helpers
Driving on the freeway in light traffic, we turn on the 750Li's adaptive cruise control, and watch as it changes speeds to match the car in the lane ahead. The switchgear for the adaptive cruise control, set into the left spoke of the steering wheel, is very intuitive to use and lets you set the following distance. This system is also tied into a collision warning system, which flashes red on the windshield as a slowdown on the freeway causes the adaptive cruise control to brake hard.

When we feel like having some input in the drive and choose to change lanes, blind spot sensors light up little amber lights in the side mirror casings if a car is off either rear quarter of the 750Li. Unfortunately, these lights are small, and not very bright, which sort of defeats the purpose of a warning signal. The 750Li is also equipped with a lane departure warning system, which vibrates the steering wheel when the car crosses a lane line without signaling. This system does an excellent job of recognizing lane lines, and the warning is certainly noticeable.

The night vision display is shown on the car's LCD--not the best placement for a quick glance.

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