BMW announced that they will offer a model of the BMW Z4 was first in the United States (U.S.) equipped four-cylinder turbo engine. This marks the first time in recent decades BMW bring four cylinder engines to the U.S. market.
Latest BMW named "BMW Z4 Roadster equipped sDrive28i turbo engine" 2.0-liter inline four-cylinder capable of producing 240 hp at 5000 rpm with 352 Nm of torsional strength which can already be achieved at 1250 rpm.
Engine output is obtained thanks to a combination of the use of fuel-system supply direct injection, BMWs Valvetronic valve settings and twin-scroll turbocharger type capable of presenting a V6 engine with equivalent power keiritan I4 engine.
BMW estimates that the application of these technologies can increase fuel efficiency by 20% compared to existing machines. 6-speed automatic transmission is also very helpful BMW Z4 to achieve maximum efficiency.
