Wednesday, April 20, 2011

Besides, you BMW Z4 is the 28th, made his debut on 4 cylinder turbo

After debuting on the BMW X1, the compact and efficient petrol engine TwinPower 2.0i Turbo four-cylinder also makes its appearance on the BMW Z4, which in this particular version is called the Z4 Besides, you is 28th. The Bavarian manufacturer continues its philosophy of the fact that downsizing is to reduce the cubic volume of the engines, thereby optimizing fuel consumption and polluting emissions without sacrificing power and performance.

These results were achieved using the new technology TwinPowerTurbo on a relatively compact engine, which at the same power generated by the six-cylinder it replaces, it is more park, but also more pleasant to use at low speeds, since the lowering of the threshold distribution of torque.

The 2.0-liter unit that equips the TwinPowerTurbo Teutonic roadster uses a series of systems with the latest technology as twin-scroll technology, direct injection of fuel at high pressure through gliiniettori solenoid valves and the device called Valvetronic. The engine develops 245 hp well to 5500 rpm and maximum torque of 260 Nm, expressed in just 1250 rpm, a record which results in a particularly flexible engine that significantly reduces the number of changed.

The maximum power is discharged through a rear wheel drive six-speed manual transmission that can alternatively be replaced by an automatic 8-speed sequential function. The new engine replaces the six-cylinder 3.0-liter naturally aspirated 258 hp and 310 Nm of torque, the latter is higher than the new four-cylinder twin turbo, but the speed in which it is expressed is as high as 2,600 rpm, exactly twice the new engine.

Furthermore, as stated by the House Ethics, combining all'inedito 4 cylinder new 8-speed gearbox, it will lead to an overall saving of about 20% from the previous 3.0-liter. As rigurda prices and details of performance, BMW has not released any specific figure, probably more details will be issued during the forthcoming exhibition in New York2011 (April 22-May 1).

The only thing certain is that the new engine, having debuted on the BMW X1 and the Z4 will be installed in the future BMW 1 Series (F20 initials of the project), the 3 Series (F30) and the current 5 Series, respectively for the versions 128th, 328th and 528th.

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