BMW 550I GRAN TURISMO BROCHURE 201 Wartungshandbuch PDF herunterladen (Seite 18)

BMW Vision Efﬁ cientDynamics: Vision becomes reality. In     BMW plans to

debut the BMW Vision Efﬁ cientDynamics test model – a  + sports car featuring ground-

breaking plug-in hybrid technology that combines sports-car performance with compact-

class consumption. Powered by the latest-generation, full-hybrid system, the vehicle – in

concept form – generates a total of    hp through a    -hp, three-cylinder turbo diesel

engine with    lb-ft of torque, as well as a hybrid synchronous engine on the front axle

and fully hybrid drive system on the rear axle. With a range of up to    miles, its ratio of

performance to fuel consumption is without equal, positioning BMW as the world’s leading

manufacturer of exceptionally efﬁ cient, sporty vehicles.

 bmwusa.com/Efﬁ cientDynamics

BMW was one of the ﬁ rst automotive manufacturers to pursue efﬁ cient driving technologies – one part of our award-winning sustainability strategy. Our commitment to Efﬁ cientDynamics means

we are continuously developing innovative systems that bring us closer to our long-term goal of emissions-free mobility. However, we remain equally committed to driving pleasure, which is being

pursued in different ways. First, there is the con tinuing optimization of conventional diesel- and gasoline-powered models. Second, BMW hybrid vehicles are already on the road. Third, the ﬁ rst

   % electrically powered BMW – the BMW ActiveE – is being distributed in a ﬁ eld trial to customers. And fourth, the ﬂ eet of BMW Hydrogen  vehicles impressively demonstrated the potential for

combining hydrogen drive with a combustion engine.

Since     BMW has been able to reduce the CO



emissions of its entire ﬂ eet by approximately   percent. BMW has rolled out more than two million vehicles equipped with Efﬁ cientDynamics:

  models already produce less than    g of CO



per mile, and BMW intends to achieve a further   percent reduction by     . BMW Efﬁ cientDynamics represents the most comprehensive

package of innovative technologies currently in production, for reducing fuel consumption and emissions while simultaneously creating The Ultimate Driving Machine.

Different paths to the same destination: unmistakable BMW driving pleasure.

In early     BMW launched its ﬁ rst production models with hybrid drive: the BMW ActiveHybrid  and the BMW ActiveHybrid X . Both models offer an unparalleled combination of increased fuel

efﬁ ciency, reduced emissions and thrilling performance. The BMW ActiveE, with its innovative    % electric drive system, will introduce a whole new form of dynamic performance, paving the way

for the future of emissions-free mobility. Finally, a completely new vehicle concept targeted at meeting the need for sustainable mobility in fast-growing metropolitan areas will soon become reality:

the BMW i .

BMW EFFICIENT DYNAMICS:

VEHICLES THAT REQUIRE LITTLE AND GIVE A LOT.

High Precision Injection

Turbocharging is traditionally known for boosting power at the expense of fuel ef񃀓 ciency.

BMW TwinPower Turbo engines with piezo direct fuel injection, however, inject gasoline at high

pressure and with extreme precision into each cylinder. And, thanks to BMW’s fast and 񃀔 exible

electronic control system, both the timing and quantity of the fuel injections can be precisely

adjusted to driving conditions. As a result, BMW vehicles achieve excellent fuel ef񃀓 ciency.

TwinPower Turbo engines

Bene񃀓 ting from BMW’s TwinPower Turbo technology, both 񂢔 Series Gran Turismo engines deliver

quick acceleration while virtually eliminating turbo lag. Fuel economy is strong, as well, thanks to

precise piezo direct fuel injection.

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 controlled in response to engine speed, load and

temperature, VANOS reduces emissions and enhances low- to medium-speed torque, as well

as fuel ef񃀓 ciency.

񂌘 -speed

STEPTRONIC automatic transmission

The particularly smooth gear shifts of the new 񂢗 -speed automatic transmission produce greater

engine ef񃀓 ciency at every engine speed. The smoother shifts result in reduced fuel consumption.

Aerodynamics

The more smoothly that air 񃀔 ows over a vehicle, the more ef񃀓 ciently it can operate. All BMWs are

designed for a low coef񃀓 cient of aerodynamic drag, which translates into quicker acceleration,

more stable handling, quieter operation and greater fuel ef񃀓 ciency. A BMW’s integrated front

spoilers reduce the amount of air 񃀔 owing underneath, minimizing front-end lift. This allows a

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

Brake Energy Regeneration

To supply a battery with electrical energy, the generator (alternator) usually needs engine power,

which requires fuel. With Brake Energy Regeneration, the generator produces electricity when the

driver brakes or takes a foot off the accelerator. Previously unharnessed, kinetic energy is trans-

formed into electrical energy then fed into the battery, generating electricity without using fuel.

Lightweight construction

Our engineers use lightweight aluminum throughout our vehicles – in the doors, for example, or

for the suspension. BMW’s inline six-cylinder and V-񂢗 TwinPower Turbo engines are all aluminum.

Taken together, these weight savings lead to lower fuel consumption and better axle load

distribution for more agility – especially in curves.

THE BMW 񂌕 SERIES GRAN TURISMO’S

EFFICIENT DYNAMICS INITIATIVE AT A GLANCE.

BMW EfficientDynamics

Less emissions. More driving pleasure.

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