BMW 5 Series: New Models, New Engines, Diesel All-Wheel Drive

BMW 520d

BMW 5 Series

Introducing three new models, updated engines, a wider range of equipment as well as new colours and options, BMW’s upper midrange segment is making a powerful start into the new model year.

With these new models and features, the BMW 5 Series as of autumn 2005 comprises a total of no less than 13 Saloons and 10 Touring models naturally all fulfilling the EU4 emission standard. All diesel models are equipped with a maintenance-free particle filter.

The model range extends from the 520d with its four-cylinder turbodiesel power unit (120 kW/163 hp) all the way to the four-door M5 sports car featuring a truly unique and outstanding V10 power unit (373 kW/507 hp).

New model: the V8 540i Saloon

The driving power in the 540i in the genuine sense of the word is the smaller of the two V8 power units featuring VALVETRONIC and double-VANOS introduced for the fist time in the BMW 7 Series in spring 2005. Maximum output from 4,000 cc is 225 kW/306 hp, maximum torque of 390 Nm/287 lb-ft comes at 3,500 rpm.

Fitted as standard with a six-speed manual gearbox, the new 540i accelerates to 0-62 mph in 6.2 seconds and reaches a top speed of 155 mph cut off electronically. Fuel consumption is 11.0 litres/100 km or 25.7 mpg Imp in the EU cycle, certainly a moderate figure for a dynamic V8 saloon of this class.

The level of features and equipment is the same as in the 535d.

Top-of-the-range 550i with an upgraded V8 power unit replacing the 545i

The V8 power unit featured in the new 550i displaces 4,799 cc and develops maximum output of 270 kW/367 hp, with a mighty 490 Nm/361 lb-ft torque peak at 3,400 rpm. With its manual gearbox, the 550i accelerates to 0-62 mph in a fast 5.5 seconds and takes just 5.2 seconds to sprint from 80–120 km/h in fourth gear. Top speed of both the Saloon and Touring is 155 mph (limited electronically).

Despite the significant increase in the car’s power and performance, fuel consumption of the 550i, at 11.1 litres/100 km or 25.4 mpg Imp in the combined EU cycle, remains almost at the same level as on the former model. And at the same time the 550i now complies with the US ULEV II emission standard, and not “just” with the LEV standard, as before (EU4 in Europe).

Both the BMW 540i and the BMW 550i come as standard with a manual six-speed gearbox, six-speed automatic transmission with Steptronic being available as an option. The BMW 550i is also available, as yet a further option, with BMW’s six-speed SMG transmission.

Offering this kind of car with a manual gearbox, BMW ranks alone versus its main competitors also in this respect.

530d: Enhanced fuel economy despite a significant increase in power

The new straight-six diesel engine in the BMW 530d (Saloon/Touring) with its all-aluminium crankcase and third-generation common rail with piezo fuel injection technology, has proven its qualities ever since spring 2005 in the BMW 7 Series. Developing maximum output of 170 kW/231 hp at 4,000 rpm and peak torque of 500 Nm/369 lb-ft all the way from 1,750–3,000 rpm, this power unit offers the highest level of output density and the highest torque of any diesel engine within the BMW 5 Series.

continues... | Part Two
Published 31 July 2005 Melanie Carter
 

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