2010 Bmw 7-series receives xDrive AWD and new 740d version

Article by Christian Andrei, on August 29, 2010

The BMW 7-Series is introducing several new models and accessories to reinforce the success it had in the previous year. Beside the already existing and new M Sport Pack being offered for all 7-series range for both regular and lengthened wheelbase, an optional xDrive AWD and a new 740d is also offered for the 2010 BMW 7-series.

Set for an introduction in the third quarter of the year, the BMW 740d will feature for the first time a new straight-six diesel powerplant equipped with TwinPower direct injection and twin-turbocharging technologies from the Bavarian carmaker.

The 3.0-liter engine is capable of 306hp (225kW) and 442lb-ft (600Nm) of top torque which it can consistently maintain in the engine speed range of 1,500 and 2,500rpm. These figures are sufficient enough to propel the car from 0-100km/h in 6.3 seconds and quickly reach a top speed of 250km/h which is electronically limited.

Even with these performance numbers, the car is still capable of a 34mpg (6.9L/100km) fuel economy and a lowered carbon dioxide emissions in the 181g/km level. Meanwhile, the 730d diesel

version receives a new BluePerformance exhaust particulate filtering system from the Bavarian carmaker for its 2010 model. The consequence of this addition is a reduction of nitric oxides to the emissions standard that will come with the introduction of the EU6 in 2014.

Fuel consumption is maintained at 34mpg (6.8L/100km) but emissions of carbon dioxide have been further lowered to the 178g/km level. The 2010 7- series will be equipped for the first time with the intelligent xDrive AWD of BMW, which will first be offered to the 750i and 750Li models and will later filter across the range in time.

The xDrive adapts the amount of torque channeled to either axle contingent on the traction levels of the four wheels and it attains this through an electronically controlled multiple-plate clutch. Furthermore, the operation of the xDrive is also dependent on the steering angle that the driver pre-determined.

When travelling regularly in a straight line, power is distributed 40-60 from font to rear with up to 80 percent of the drive power channeled to the rear axle in a curb. When the car gets over the curb the distribution reverts back to normal to provide optimum traction as it anticipates an acceleration as the car returns to a straight line driving position.

Press Release

Bmw 7-series 740d xDrive

With the top-of-the-range BMW 750i xDrive and BMW 750Li xDrive already introducing BMW’s intelligent all-wheel-drive system in the 2010 model year in the 7 Series, the BMW 740d xDrive is making its appearance in September.

Permanent, electronically controlled all-wheel drive ensures exactly the right distribution of engine power under all driving conditions. Precise and quick drive power control, finally, gives this supreme luxury sedan absolutely safe and incomparable driving behaviour at all times. 

Originally BMW’s intelligent xDrive all-wheel-drive technology was conceived for the BMW X models, then being introduced step-by-step in the BMW 5 Series, the BMW 3 Series, and the BMW 7 Series. The big forte of this superior technology is its uniquely precise control and engine management helping to optimise traction on rough surfaces and at the same time deliver supreme driving dynamics to the road.

The system stands out as a particularly intelligent all-wheel-drive technology by distributing drive power through a power divider with an electronically controlled multiple-plate clutch in exactly the right way and properly dosed to the correct axle and wheels with optimum road contact at any given point in time.

With its all-aluminium power unit, the BMW 740d xDrive boasts BMW TwinPower Turbo Technology as well as common-rail direct fuel injection with its piezo-injectors operating at a pressure of up to 2,000 bar. Maximum output, as a result, is 225 kW/306 hp, with peak torque of 600 Newton-metres/442 lb-ft maintained consistently between 1,500 and 2,500 rpm.

Featuring this superior system, BMW xDrive enhances driving stability also in dynamic bends by recognising even the slightest tendency to over- and understeer at an early point and taking appropriate counter-action right away.

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