Brake Energy Regeneration
To supply a battery with electrical energy, the
generator (alternator) is permanently driven
using engine power, which demands additional
fuel consumption. Brake Energy Regeneration
means the generator usually only generates
electricity when the driver takes the foot off the
accelerator or the brake – previously unused
kinetic energy is transformed in coasting mode
into electrical energy before being fed into the
battery.
In this way, electricity is generated while
coasting, without consuming fuel.
Some BMW EfficientDynamics features are dependent on the
car’s equipment and are not available for all model variants.
Your BMW partner will be happy to provide you with more
information on all equipment details.
Tyres with reduced rolling-resistance
While driving, tyres are constantly changing
shape. This uses up energy and thus fuel.
Tyres with reduced rolling-resistance have an
improved design and use special materials for
their road treads and side walls, thus reducing
deformation.
Electric Power Steering
In comparison with conventional, hydraulic
steering systems, the electrical steering only
uses energy during actual steering. When the
steering wheel is in a constant position – for
example at high speed along the motorway –
the electric motor is inactive.
This has gone in.
The pleasure you get from driving a BMW is the result of fi ne engineering – always setting the benchmark because it is based on much more
than engine power. This is the tradition behind BMW Effi cientDynamics. It includes the visionary Hydrogen engine,already used in a number
of completely emission-free BMW 7 Series saloons. Also going into production soon is the BMW ActiveHybrid – an intelligent, demand-oriented
combination of internal combustion engine and electric motor. And every BMW already includes a multi-award winning BMW Effi cientDynamics
technology package as standard that boosts dynamics even further whilst simultaneously reducing fuel consumption and CO
2
emissions.
High Precision Injection
In this cutting-edge generation of petrol direct
injection, the Piezo injectors are positioned
very close to the spark plugs. They inject
the fuel at high pressure and with extreme
precision. This ensures an outstanding power-
to-consumption ratio.
Auto Start/Stop function
BMW four-cylinder engines with six-speed
manual transmission automatically shut down
when the vehicle is stationary, for example at a
red light or in a jam, when the driver activates
the clutch and switches to neutral. The engine
restarts as soon as the clutch is activated
again. This innovation signifi cantly reduces
fuel consumption especially in city traffi c.
Optimum Shift Indicator
Timely gear shifts are one of the most effective
and easiest ways to save fuel. This is where the
Optimum Shift Indicator in conjunction with
six-speed manual transmission comes in. It
shows the driver what gear to use in order to
drive more effi ciently.
And this is what comes out.
BMW already offers 24 models with
CO
2
emissions of 140 g/km and signifi cantly
less. But that’s just for starters. We’re carrying
on our research with Effi cientDynamics – in
the quest to bring you more driving pleasure
and less emissions.
BMW Effi cientDynamics
Less emissions. More driving pleasure.
