The BMW N57 3.0 liter six-cylinder turbodiesel engine was named by Ward’s Auto in their top 10 Best Engines Award.

The N57D30OL has 413 lb ft of torque and a larger rev range which leads to a 254 peak HP rating. In addition, the N57 has a a nice flat torque curve that spreads from just over 1300 RPM through 3000 RPM.

BMW has taken steps to ensure improved boost pressure response to accelerator demand. This results in improved acceleration. They’ve used a new turbocharger with improved dynamics. They have reduced friction and inertia in operation in the turbocharger and that has helped achieve their performance goals for the engine.

BMW N57S Diesel

The N57, with its significantly greater power, has reduced fuel consumption by 30% and emissions by a whopping 99%. When installed in the 530d xDrive, the N57 returns a 0-100 km/h sprint of 6.1 seconds and sips fuel at the rate of 5.7 liters per 100 km.

See the list of winners:

3.0-liter Turbodiesel DOHC I-6 (BMW 535d)
3.0-liter TFSI Supercharged DOHC V-6 (Audi S5)
3.0-liter Turbodiesel DOHC V-6 (Ram 1500 EcoDiesel)
83-kilowatt Electric Motor (Fiat 500e)
1.0-liter EcoBoost DOHC I-3 (Ford Fiesta)
2.0-liter Turbodiesel DOHC I-4 (Chevrolet Cruze Diesel)
6.2-liter OHV V-8 (Chevrolet Corvette Stingray)
3.5-liter SOHC V-6 (Honda Accord)
2.7-liter DOHC H-6 boxer (Porsche Cayman)
1.8-liter Turbocharged DOHC I-4 (Volkswagen Jetta)