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5 Series Sedan and Touring Facelift - E60/E61 (2007 - 2010 ) - Diesel engines and transmission

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5 Series Sedan and Touring Facelift - E60/E61 (2007 - 2010 )
Exterior and interior design
Power unit: the engine
Diesel engines and transmission
Goodies, features and safety
More goodies
Specifications
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Diesel engines full of muscle and all-round economy.
The diesel-powered BMW 535d, BMW 530d and BMW 525d successfully combine impressive thrust with supreme all-round efficiency. Apart from displacing a substantial 3.0 litres, the straight-six power units featured in these outstanding models also share turbocharging and third-generation common-rail fuel injection. So over and above their superior economy, BMW’s six-cylinder diesels stand out in particular through their impressive power and muscle interacting with exemplary smoothness and refinement at all times.
Each of the new diesel engines comes with an all-aluminium crankcase ensuring a significant reduction of weight. This not only ensures an even higher standard of fuel economy, but also means a significant improvement of agility thanks to the reduced load on the front axle. Emission management has also been improved, with a particulates filter of the latest generation and an oxidation catalyst integrated in one joint housing.
The new version of BMW’s 3.0-litre six-cylinder with Variable Twin Turbo (VTT) technology featured in the BMW 535d is a truly fascinating example of Efficient Dynamics. The special feature of VTT turbocharging is that a small turbocharger is initially activated at lower engine speeds and serves to boost power spontaneously and without the slightest delay thanks to its low level of inertia reduced to an absolute minimum. Then, with the engine picking up speed, the second, larger turbocharger also cuts in, helping to develop maximum torque of 580 Newton-metres or 427 lb-ft at just 1,750 rpm.
Standing out as the most sporting and dynamic diesel engine in its class the world over, the power unit in the BMW 535d develops 10 kW/14 hp more than before, with maximum output now reaching 210 kW/286 hp. This accelerates the BMW 535d to 100 km/h in just 6.4 seconds (Touring: 6.5 seconds), with the top speed limited electronically on both the Saloon and Touring to 250 km/h or 155 mph.
Fuel economy has also been enhanced to a new level of perfection never seen before: Average fuel consumption of the new BMW 535d in the EU test cycle is now just 6.8 litres/100 kilometres (equal to 41.5 mpg Imp) (Saloon) or, respectively, 7.0 litres/100 kilometres (40.3 mpg Imp) (Touring), a reduction by approximately 15 per cent versus the former model.

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Optimised: 3.0-litre diesel with variable turbine geometry.
Engine output in the new BMW 530d is now 173 kW/235 hp. This version of the 3.0-litre power unit boasts a turbocharger system with variable turbine geometry (VTG) for muscular and, at the same time, harmonious development of power and performance under all conditions. And again, this power unit develops its maximum torque – in this case 500 Newton-metres or 369 lb-ft – at just 1,750 rpm. The result is powerful acceleration to 100 km/h in just 6.8 seconds (Saloon) or, respectively, 6.9 seconds (Touring). Top speed of the new BMW 530d, in turn, is 250 km/h (155 mph) in the Saloon and 245 km/h (152 mph) in the Touring. At 6.4 (6.6) litres/100 km (equal to 44.1 and, respectively, 42.8 mpg Imp), average fuel consumption under the EU standard is about 12 per cent lower than on the former models.
The third version of the 3.0-litre six-cylinder develops maximum output of 145 kW/197 hp and peak torque of 400 Newton-metres (295 lb-ft).
This kind of power accelerates the BMW 525d Saloon to 100 km/h in 7.6 seconds, with the Touring completing the same sprint in 7.8 seconds.
Top speed of the Saloon is 237 km/h or 147 mph, while the Touring has a top speed of 232 km/h or 144 mph. Fuel consumption under the EU standard, finally, is 6.2 litres/100 km (equal to 45.6 mpg Imp) on the Saloon and 6.4 litres/100 km (44.1 mpg Imp) on the Touring, a reduction of up to 17 per cent versus the former models, depending on the car’s transmission.
The entry-level model into the new BMW 5 Series comes with BMW’s four-cylinder diesel displacing 2.0 litres already well known for its superior muscle and economy. Further features of this equally outstanding engine are common-rail fuel injection and a VTG turbocharger.
Developing maximum output of 120 kW/163 hp combined with peak torque of 340 Nm/251 lb-ft, the power unit featured in the BMW 520d also ensures sporting performance and dynamism on the road: The Saloon accelerates to 100 km/h in 8.6, the Touring in 8.9 seconds, and the top speed of the two models is 223 km/h (138 mph) and, respectively, 218 km/h (135 mph). Average fuel consumption, finally, is 5.9 (6.1) litres/100 kilometres, equal to 47.9 and, respectively, 46.3 mpg Imp.

Optional: six-speed automatic transmission and automatic sports mode.
As an option and, indeed, as a highly interesting alternative to the six-speed manual gearbox featured as standard, all model variants in the BMW 5 Series are available with a six-speed automatic transmission (which is standard on the BMW 535d).
Apart from the direct connection to the engine, this transmission stands out in particular through its upgraded hydraulics, innovative torque converter and even more powerful management software, ensuring an even more spontaneous response to even the slightest movement of the gas pedal and an extremely fast and efficient gearshift. On the road, this means reaction times now some 40 per cent faster than on former automatic transmission models, with the actual gearshift time being almost halved. Shifting back a gear is now just as fast, too, thanks to the direct gear path finder.
The automatic transmission is controlled by an electronic gear selector lever following the usual gearshift pattern.
The new gear selector lever moves back to its initial position once the gear selected is in mesh, with the transmission itself masterminded not in a mechanical process, but rather via electrical signals.
As an additional alternative to the manual gearbox, the six-speed Automatic Sports Transmission is now making its debut in the BMW 550i, BMW 530i, BMW 535d, and BMW 530d. This new Automatic Sports Transmission offers the high standard of motoring comfort so typical of the latest generation of automatic transmissions and at the same time allows the driver to shift gears in even more sporting style in the manual mode, the driver choosing gears sequentially either by means of the gear selector lever introduced exclusively for this special transmission or by means of gearshift paddles on the steering wheel.
Pressing the Sports Button, the driver is able to make the entire shift process even more dynamic, the gearshift commands provided by the paddles being implemented even more spontaneously than before. Even the progressive rate of the gas pedal is modified in this case in order to provide optimum conditions for dynamic acceleration at all times.

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Last Updated on Monday, 12 April 2010 14:41  
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