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BMWs new 730d challenges traditional fuel consumption wisdom

BMW 730d (copyright image)

BMW's new 730d

Home > News > BMW

17th June, 2009

Buyers of BMWs new 730d luxury saloon, which goes on sale this month, will benefit from fuel consumption that is identical to many small four-cylinder sedans and hatchbacks.

In a pioneering breakthrough, the 730d also becomes the first, and only, car in the upper luxury sedan segment that emits less than 200 grammes of CO2 per kilometre (192 g/km).

This puts it ahead of hybrid and other diesel competitors in the segment which all use more fuel and emit greater volumes of CO2.

Buyers of large premium saloons can now make an even greater contribution to lowering CO2 emissions thanks to the arrival of the new 730d, said BMWs general manager of marketing, Tom Noble.

The new 730d consumes no more fuel, on the official combined cycle, than much smaller four-cylinder cars such as the manual 1.8-litre Holden Astra CD, the manual 1.6-litre Skoda Roomster, or the automatic 1.8-litre Honda Civic VTi.

The 730ds official combined fuel usage 7.2 litres per 100 kilometres is also identical to smaller cars such as the 2.0-litre Mercedes-Benz A200 and 1.8-litre multitronic Audi A4 1.8 TFSI.

Its not often a luxurious five-seater saloon is compared with smaller four-cylinder cars, but in terms of fuel consumption the 730d demonstrates the remarkable achievement of BMWs EfficientDynamics programme, said Noble.

The diesel-powered 7 Series the first ever offered in Australia also delivers a credible alternative to less fuel-efficient hybrid-powered vehicles in the upper luxury segment, which consume almost thirty per cent more fuel than the 730d.

The brand new turbocharged all-alloy straight six-cylinder engine in the 730d produces 180 kW of power and 540 Nm of torque, accelerating the car from 0-100 km/h in just 7.2 seconds. In addition it complies with the most stringent Euro 5 European emissions legislation.

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The straight-six engine features an aluminium block, third generation common rail direct injection with piezo injectors, and a maximum injection pressure of 1,800 bar. The turbo charger has variable turbo geometry and a diesel particle filter and an oxidation catalyst are fitted as standard.

Active control of the air flaps in the radiator grille and the brake air shafts contribute to the cars overall efficiency. The air flaps are opened only when the engine requires additional cooling air, while remaining closed when not required in order to optimise the cars aerodynamics.

Intelligent energy management serves to efficiently generate electric power for the cars on-board network. To provide this effect, the alternator is activated only when the engine is in overrun and when applying the brakes, thus relieving the engine of the usual loads and power uptake.

Standard equipment levels of the new BMW 730d are the same as the recently released 740i, including features such as Head Up Display, rear view camera, metallic paint, 18-inch light-alloy wheels, Dynamic Driving Control, Brake Energy Regeneration, adaptive headlights, heated and ventilated front seats, sunroof, automatic boot operation, soft close function on all doors, television tuner, voice recognition, and 6-stack DVD player.


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