Videos: BMW X6 xDrive35i and xDrive50i in action
Monday, April 21st, 2008
Sponsored links:BMW’s most powerful inline-six in the world’s first Sports Activity Coupe.
The second version of the BMW X6 boasts the highly acclaimed twin turbo, inline-six cylinder engine: Maximum output of the engine featured in the BMW X6 xDrive35i is 300 hp from an engine capacity of 3.0 liters. This superior power is maintained consistently between 5,800 and 6,250 rpm, with maximum torque of 300 lb-ft provided all the way from 1,400-5,000 rpm. This gives the six-cylinder superior power and performance from an unusually early point on a gasoline engine, subsequently maintaining this high power throughout a broad range of engine speed.
Like the new V8 engine, the engine in the BMW X6 xDrive35i offers the exclusive combination of Twin Turbo technology and High Precision Injection for incomparable power and performance, plus a standard of economy quite unique in comparison with the engine’s dynamic driving potential.
On the inline-six with Twin Turbo technology, two exhaust turbochargers each supply compressed air to three cylinders. The small mass inertia of the relatively compact turbochargers optimizes response to a significantly higher degree on this engine, building up charge pressure without the slightest delay from low engine speeds. The result is a rapid increase in power and torque further promoted by infinitely variable double-VANOS camshaft control.
This characteristic of BMW’s Twin Turbo gasoline engines is unique world-over and offers an exceptionally high standard of power and flexibility on the road. In practice, this allows the driver to use the superior torque of the engine right from the start when accelerating, with engine power then remaining consistent over a wide speed range.
The exceptional dynamism of the engine is further enhanced by its high compression ratio, again an advantage made possible by High Precision Injection: With the fuel/air mixture being cooled as a result of direct injection, the compression ratio can be increased to a higher level than on a turbo-charged engine with intake manifold injection. Engine efficiency is improved accordingly, offering more power on less fuel.
The level of power offered by the inline-six with Twin Turbo Technology and High Precision Injection is equal to a level that only a much larger eight-cylinder was able to provide in the past. But at the same time BMW’s most powerful six-cylinder offers a much higher standard of fuel economy and, thanks to its all-aluminum crankcase, is much lighter.
BMW X6 xDrive35i:
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