share on BufferFrom the official Press Release:
Exterior design
The BMW Concept 7 Series ActiveHybrid is based in its
concept and fundamental design on the new BMW 7 Series.
The dynamic proportions of the car are clearly expressed by its long
wheelbase, the long and sleek engine compartment lid, the short front overhang, the passenger compartment moved far to the rear, and the low roof ine.
The BMW Concept 7 Series ActiveHybrid adds specific design features both at the front and the rear to enhance this characteristic look to an even
higher level.
"The close match of the production model and
the concept car symbolises BMW’s claim to offer the potential of
ActiveHybrid technology within BMW’s existing portfolio of models."
All hybrid components are fitted and arranged according to the car’s
specific package.
The electric motor and the power electronics are integrated in the transmission housing, where they cannot even be seen
from outside.
A specially designed trough in the luggage compartment
made of aluminium accommodates the compact lithium-ion battery.
The front end of the BMW Concept 7 Series ActiveHybrid is characterized by
the large, upright BMW kidney grille.
 |
 |
A specific feature of the Concept Car
is the aluminium band stretching across the entire width of the front end
beneath the numberplate and serving to provide a controlled flow of air for optimum aerodynamics.
The lower air intake scoop is covered in the middle by this aluminium band,
the openings to the left and right refl ecting the contours of the headlights
just above and split horizontally by the aluminium band tapering out towards
the sides.
The foglamps fitted at the extreme edge of the air intake openings are
made up in each case of seven LED light units.
Seen from the side, the sporting look is underlined by 20-inch light-alloy rims in V-spoke design.
The rims are finished in body colour, the Blue Water
Metallic paintwork on the car and rims serving as a particular sign of
distinction for BMW’s maximum-efficiency Concept Cars.
At the rear of the BMW Concept 7 Series ActiveHybrid an additional air
guidance element made of aluminium and exhaust tailpipes with new
contours symbolise and round off the innovative drive concept.
As an
analogy to the front end of the car, the aluminium band integrated in the
rear apron stretches across the entire width of the vehicle, at the same time forming the upper surround on the exhaust tailpipes both positioned far to
the outside.
 |
 |
 |
 |
 |
 |
The unusually wide and flat contours of the tailpipes, finally,
form an almost multiple-plate structure thanks to the additional horizontal
crossbar.
Technical features
The powertrain of the
BMW Concept 7 Series ActiveHybrid is based on a modular concept and consists of components – the mild hybrid transmission and
the eight-cylinder gasoline engine – which supplement each other in the same
manner as the full hybrid transmission and the eight-cylinder petrol engine
in the BMW Concept X6 ActiveHybrid. based on a modular concept
The drivetrain of the BMW Concept 7 Series ActiveHybrid is made up
of a V8 gasoline engine with Twin Turbo and High Precision Injection based
on the power unit of the BMW 750i.
Maximum output of the conventional
engine in the regular production model is 300 kW/407 hp, with peak torque
of 600 Newton-metres or 442 lb-ft.
Now this engine is combined with an electric motor integrated
in the transmission housing, developing maximum output of 15 kW/20 hp
and peak torque of 210 Nm/155 lb-ft.
A high-performance lithium-ion battery integrated in the luggage
compartment in accordance with the package of the car saves the energy
generated and supplies power to the on-board network.
With the mild hybrid
concept, the electric motor boosts the dynamic driving potential of the
eight-cylinder gasoline, giving the car even more dynamic
acceleration.
Using Brake Energy Regeneration, the electric motor supplies electric
power to the power-consuming items on board the car, minimising
the direct conversion of fuel into electrical energy and maximising the
drive power available for enhanced driving dynamics.
The hybrid components developed for the Concept Car are based on
technology created by BMW and Daimler in their cooperation on hybrid
drive systems.
In this joint venture the two manufacturers have successfully
developed components for hybrid drive including the power electronics
and high-voltage batteries.
Additional functions in the car are run completely under the electric power
supply. The Auto Start Stop function preventing the combustion engine
from running in the idle mode is particularly helpful and comfort-oriented
in this case thanks to the combination with ActiveHybrid technology.
(Source: BMW)
Comments