BMW M Performance Automobiles unveiled today the M550d xDrive Sedan and M550d xDrive Touring, two sporty models featuring a brand new 3.0-liter diesel engine, delivering 280 kW/381 hp and 740 Newton metres (546 lb-ft), all of which the driver will find on tap as low down as 2,000 rpm. And yes, this is a tri-turbocharged engine! The system comprises two relatively small turbochargers and one large turbo, which join forces precisely to deliver the amount of power required. The new engine can push the M550d xDrive from 0 to 100 km/h (62 mph) in 4.7 seconds, while the Touring model hits 100 km/h in 4.9 seconds.
Top speed is electronically limited to 250 km/h or 155 mph in both cases. Still, the engine offers a fuel consumption of just 6.3 litres per 100 kilometres (44.8 mpg imp) in the Sedan, while the Touring offers 6.4 l/100 km (44.1 mpg imp). CO2 emissions are 165 grams per kilometre for the BMW M550d xDrive Sedan and 169 g/km for the BMW M550d xDrive Touring. This means that both morels already meet the requirements specified by the EU6 exhaust standard. As expected, the new Bmw models are tweaked by the BMW M Performance Automobiles and offer a standard eight-speed Sports automatic transmission with gearshift paddles on the steering wheel and is given model-specific settings.
In addition, the all-wheel-drive system follows a control strategy tailored to each model. Furthermore, both BMW M550d xDrive come with aerodynamically optimised body elements at the front and rear, Ferric Grey exterior mirrors and air intake bars, but also exclusive 20-inch light-alloy wheels which are available as an option. Regarding the price, the BMW M550d xDrive Sedan will be priced at 80,800 euros while the Touring version at 83,750 euros.