BMW 2008 X3 Bedienungsanleitung PDF herunterladen (Seite 10)

This is how much has gone in.

At BMW, we create dynamic vehicles that thrill you with quick acceleration, predictable handling and unshakable control. We are also busy

ﬁ nding ways to sustain this level of performance while incorporating innovative fuels and technologies to help preserve the environment.

This is what we refer to as “Efﬁ cientDynamics.” This goal has led to the visionary CleanEnergy hydrogen-powered engine, which is currently

used in the BMW Hydrogen 7 Sedan. BMW Advanced Diesel with BluePerformance, which offers diesel power with quick acceleration,

increased fuel efﬁ ciency and reduced emissions, is being introduced to the U.S. in 2009 in select models. In fact, every BMW on the road

today comes standard with technology that boosts performance while simultaneously reducing fuel consumption and CO

emissions.

Lightweight construction

Our engineers use lightweight aluminum

throughout our vehicles – in the front section,

for example, or for the suspension. BMW’s

naturally aspirated inline six-cylinder engine

is an aluminum/magnesium composite – the

lightest in its class. Taken together, these

weight savings lead to lower fuel consump-

tion and better axle load distribution for more

agility – especially in curves.

Valvetronic

Instead of using a traditional throttle,

Valvetronic technology lets the engine

breathe more easily by varying the lift

height of the valves to regulate air intake.

The result: improved cold starts, smoother

running, and a significant drop in fuel con-

sumption. Using revolutionary tech nology

such as this, BMW has improved its overall

average fuel economy more than any other

manufacturer.

Double-VANOS

VANOS is BMW’s valve timing system

that can “steplessly” vary the points in

the combustion cycle when valves open

and close. Double-VANOS refers to the

fact that it operates on both the intake

and exhaust camshafts. Electronically

con trolled in response to engine speed,

load and temperature, VANOS reduces

emissions, and enhances low- to medium-

speed torque, as well as fuel efﬁ ciency.

Aerodynamics

The more smoothly that air flows over a vehicle, the more efficiently it can

operate. All BMWs are designed for a low coefficient of aerodynamic drag,

which translates into quicker acceleration, more stable handling, quieter

operation and greater fuel efficiency. A BMW’s integrated front spoiler reduces

the amount of air flowing underneath the vehicle, minimizing front-end lift.

This allows a BMW to hug the road at higher speeds for excellent stability.

Efficient transmissions

Two highly efficient 6-speed transmissions

– a silken manual, and a STEPTRONIC auto-

matic with Adaptive Transmission Control

– enhance performance, comfort and fuel

efficiency.

BMW models have low CO

emissions today.

But that’s just for starters. We’re carrying on

our research in the quest to bring you greater

driving pleasure, with fewer emissions and

decreased fuel consumption.

And this is what comes out.

BMW Efﬁ cientDynamics

Less consumption. More exhilaration.

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