Bmw will turbocharge all of its four-cylinder engines

Article by Christian Andrei, on February 18, 2011

According to the latest reports, it appears that Bmw is planning to turbocharge all of its four-cylinder engines. Sources confirm the fact that these engines will deliver up to 241 hp, while new-generation straight-six engines will be used in order to deliver more power. Bmw is planning to use two different types of turbocharger and different engine management maps. Moreover, the new engines will receive a new type of cylinder lining.

This means that the iron is sprayed on at a thickness of just 0.3mm, while conventional engines have 1.5mm thick cast iron liners, says Autocar.

The new-generation of turbo fours are expected to make their debut in the new 3-Series. The first model to receive a more potent 2.0-liter twinturbocharged engine is the Bmw X1 xDrive28i, which will be officially unveiled in March, at the 2011 Geneva Motor Show.

The engine delivers 245 hp and 350 Newton metres, which comes on stream at just 1,250 rpm. The engine pushes the car from 0 to 100 km/h (62 mph) in just 6.1 seconds (6.5 seconds with automatic transmission)a and to a top speed of 240 km/h (149 mph).

Topics: bmw, engine, technology

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