An Inside Look at BMW\’s New Turbo Four Cylinder

With this new 2.0 liter twin-scroll turbo taking over duties of the last naturally aspirated inline six in BMW ‘s fleet, we thought it a good idea to take an inside look at the technology at the heart of the powerplant. While at Geneva Bernardo Lopez (Manager of Functional Evaluation) took some time to describe the new twin-scroll engine.

For those who may have missed the stats the 2.0-liter four-cylinder produces output of 240 horsepower which is achieved at 5,000 rpm, 1,500 rpm lower than in the normally-aspirated 3.0-liter inline six. Peak torque of 260 lb-ft, comes on stream at just 1,250 rpm. Like the newest twin-scroll turbocharged 3.0-liter inline six, this new four-cylinder combines turbocharging with both high-precision direct injection and BMW’s Valvetronic system. This engine is slated to arrive in the US later this year in the Z4 and 5 Series. Look for it to replace all 28i models over the next two years.

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  • Howie_in_AZ

    … and once you turn the air conditioning on most of that power goes away.

  • Axel

    @ Howie then turn off the A/C LOL. When are they going to get electrical A/C’s working in vehicles they are already using electrical Power Steering Pumps why not A/Cs?