An concept powered by a three-cylinder turbodiesel and two electric motors

high-performance concept study with bmw activehybrid applied Science visualising the dynamic functioning typical of a bmw against the backdrop of future demands in sustained mobility. bmw fantasy efficientdynamics as a symbol for the future of sheer driving happiness in concord with trendsetting efficiency.

development aim: the functioning of a bmw m car and a highly emotional reputation combined with the fuel economy and emission management of a modern small car in the premium course. as a result ,  this unique sports car offers the most consistent rendition of the bmw efficientdynamics development strategy.

fresh approach in the context of bmw efficientdynamics: the exceedingly good balance of co2 emission management and driving happiness results from a revolutionary vehicle concept developed all in one from the ground up ,  achieving a fresh level of efficiency combined with a unique driving experience. the overall result goes far beyond the sum total of the individual countenance and components in this concept car.

bmw fantasy efficientdynamics offers a realistic impression of the unique potential of bmw activehybrid applied Science and the massive fresh shove of bmw efficientdynamics.

Technology:

offering a full-hybrid concept ,  the bmw fantasy efficientdynamics concept car is powered by a three-cylinder turbodiesel and two electric motors. overall system output is 262 kw/356 hp ,  maximum torque 800 newton-metres/590 lb-ft. all-wheel drive featuring an electric motor on both the front and rear axle.

anticipated performance: acceleration from a standstill to 100 km/h in 4.8 seconds ,  top dispatch 250 km/h (155 mph) (electronically limited)  ,  fuel consumption in the eu experiment cycle 3.76 litres/100 km (equal to 75.1 mph imp) ,  co2 emissions 99 grams/kilometre.

as a plug-in hybrid ,  bmw fantasy efficientdynamics is able to cover the entire fuel consumption drive cycle under electric potency alone. taking the sources of potency utilised for generating the electric potency consumed into account (eu electricity mix) ,  this reduces the co2 emission rating to plainly 50 grams per kilometer.

electric potency is generated without the slightest augment in fuel consumption through a particularly effective concept of brake potency regeneration. potency is stored in 98 lithium polymer cells. the car is able to cover a distance of regarding 50 km/31 miles in the electric fashion alone.

aerodynamics developed with know-how from formula 1. cx pull coefficient optimised to plainly 0.22. forward-looking potency management uses the maximum potential available in each case to minimise fuel consumption.

Design:

technology-oriented carcass project as a clear expression of consistent lightweight applied Science and aerodynamic quality. project language typical of the spot ,  setting clear signals in terms of sporting functioning and optimum efficiency.

the 2+2-seater concept combines dynamic functioning and supreme efficiency with an enhanced level of all-round function. bmw fantasy efficientdynamics symbolises bmws commitment to offer an fresh driving experience for up to four occupants.

bmw fantasy efficientdynamics comes with gullwing doors interstice up to the side. fresh ,  weight-optimised door kinematics makes entering the car at both front and rear convenient and very easy.

the interior of this unique 2+2-seater intentionally demonstrates the very latest in modern applied Science. at the same time the utilize of natural materials underlines bmws strategy of sustainability borne out through this concept car.

the roof and door inserts made of polycarbonate glass automatically become darker as a function of incoming light.

Bmw activehybrid  a fresh path to thrilling dynamics: bmw fantasy efficientdynamics.

Bmw sees technical innovations reducing both emissions and fuel consumption as an elementary portion of the brands product strategy ,  plainly love vehicle concepts enhancing the sheer driving happiness inequity typical of bmw as a durable ,  sustained experience.

Now the bmw fantasy efficientdynamics concept car clearly demonstrates that these objectives expressed through the bmw efficientdynamics development strategy are fully compatible with the most demanding reduction in fuel consumption and emissions complying in full with future requirements. conceived as a 2+2-seater with plug-in full-hybrid applied Science ,  this unique car is able to blend the functioning of a bmw m car with a popular of fuel economy and emission management exceeding level the current level achieved by the latest small cars in the market.

This great result is made possible by the consistent integration of bmw activehybrid components ,  their combination with an extremely chary combustion engine ,  and the great aerodynamic qualities of the bmw fantasy efficientdynamics concept car.

Bmw fantasy efficientdynamics is the result of an all-inclusive development process starting from a clean sheet of paper. this ensures an improvement of both efficiency and driving happiness far exceeding the sum total of all individual components and technologies ,  and is also borne out in the very emotional project of this unique concept car. bmw fantasy efficientdynamics is accordingly an fresh sports car offering fascinating perspectives for the future of sheer driving happiness combined in full concord with maximum efficiency.

Presenting this unique concept car ,  bmw is once again demonstrating the companys great competence in the development of cutting-edge drive bodies. indeed ,  bmw fantasy efficientdynamics is the most comprehensible implementation of the bmw efficientdynamics development strategy seen inequity far. the drive units provide a top dispatch limited electronically of 250 km/h or 155 mph ,  with acceleration to 100 km/h in 4.8 seconds. average fuel consumption in the eu experiment cycle is 3.76 litres/100 kilometres ,  equivalent to 75.1 mpg imp ,  and the co2 emission rating is 99 grams per kilometer.

Co2 emission management is level supplementary great when driving in the all-electric fashion after charging the battery from a plug-in source: taking all emissions in the generation of electricity into account ,  as prescribed by the eu blend ,  the cars emission rating in this case is plainly 50 grams per kilometer. through this unique balance of driving happiness and fuel economy the bmw fantasy efficientdynamics concept car clearly demonstrates the potential of bmw activehybrid applied Science making its earth debut at the 2009 frankfurt motor exhibit in the bmw activehybrid x6 and bmw activehybrid 7 production models.

This in Truth impressive potency and functioning is made possible by combining a particularly fuel-efficient three-cylinder turbodiesel with one electric motor each on the front and rear axle. the intellectual combination of these three potency units and the potency they develop ,  together with precisely controlled potency management ,  serves to elevate both the dynamic functioning and the all-round effi ciency of the car ,  using the full potential of bmw activehybrid to mitigate both fuel consumption and co2 emissions to the greatest possible extent. overall system output is 262 kw/356 hp ,  peak torque is 800 newton-metres/590 lb-ft.

The special arrangement of the three potency units allows all-wheel drive also available in the all-electric fashion. the result is minimum potency loss and at the same time harmonious transmission of the potency available under all conditions.

In its project ,  bmw fantasy efficientdynamics for the fi rst time conveys the dynamic see inequity typical of a bmw sports car to a hybrid vehicle. developed with know-how from formula 1 ,  the carcass of this unique sports car is an expression of intellectual lightweight applied Science and supreme aerodynamic efficiency. and in the project of the interior ,  the focus was also on both the fascinating driving experience and ,  in particular ,  on transparent ,  hands-on applied Science and maximum reduction of weight.

Turbodiesel potency unit with fresh output per litre.

The combustion engine is a cutting-edge turbodiesel featured for the basic time in the bmw fantasy efficientdynamics concept car. displacing 1.5 litres on three cylinders ,  the engine consistently follows the downsizing principal using relatively small engine capacity combined with a turbocharger to mitigate fuel consumption.

Through its agreement dimensions ,  the three-cylinder fits inequity in front of the rear axle love in an agile mid-engined sports car ,  despite the two seats at the rear. fuel is injected by the latest generation of common-rail direct injection ,  the turbocharger countenance variable intake geometry for maximum efficiency.

Engine output is 120 kw/163 hp ,  peak torque 290 newton-metres/214 lb-ft. the output per litre of 80 kw/109 hp achieved in this way sets a fresh record in diesel applied Science.

The potency delivered by the turbodiesel in conveyed to the rear axle by means of a double-clutch gearbox. this innovative transmission applied Science already offering a particularly dynamic driving experience in bmws unusually sporting production cars ,  allows the driver to expedient gears without the slightest interruption of potency and traction.

Bmw fantasy efficientdynamics comes with a newly developed ,  minimum consumption version of bmws direct-clutch gearbox with six speeds for maximum efficiency and flexibility.

Two electric motors for full-hybrid drive.

The combustion engine is supplemented by two electric motors. consistently applying the bmw activehybrid strategy ,  bmws development engineers followed the principal of best of hybrid ,  choosing the optimum combination of a hybrid synchronous motor on the front axle and a full-hybrid system at the rear. through the specifi c outline of the system as an innovative hybrid ideal for practicable utilize on the road ,  the driver benefits from the additional efficiency of the electric motors over a far wider dispatch range than with a conventional hybrid car.

The rear axle comes with a second-generation full-hybrid system corresponding to the applied Science introduced for the fi rst time in the bmw activehybrid 7 production model. running as an electric motor ,  the agreement electric potency unit positioned between the combustion engine and the double-clutch gearbox develops a consistent 25 kw and is able to reach a peak of up to 38 kw. maximum torque ,  again ,  is 290 nm or 214 lb-ft ,  the potency developed in this way serving ,  depending on driving conditions ,  either to befriend the combustion engine or for all-electric motoring.

In overrun and when applying the brakes the electric motor acts as a generator feeding electric potency to the lithium-polymer battery in the car. the electric potency developed in this way is accordingly generated without any additional consumption of fuel ,  raising the principal of brake potency regeneration already featured in bmws current models to an level higher and significantly supplementary effective level. potency wasted on the brakes of a conventional car is accordingly saved within the fresh potency system for subsequent utilize in driving the car.

A moment electric motor acts on the front axle. this potency unit ,  a hybrid synchronous motor ,  offers permanent output of 60 kw and peak torque of 220 newton-metres or 162 lb-ft. additional potency of 84 kw is available for a period of up to 30 seconds and for 10 seconds the electric motor is level able to develop 104 kw. potency is transmitted through a two-stage ,  single-speed reduced-ratio gearbox.

Bmw fantasy efficientdynamics is able to scud completely under electric potency ,  with the potency of the turbodiesel engine alone ,  or through an infinite combination of the three potency sources. depending on driving conditions and the drivers particular requirements ,  the two electric motors may be utilised both for accelerating and for regenerating potency when applying the brakes and in overrun.

This principal ensures a towering level of effi cient potency management ,  with the charge status of the lithium-polymer battery constantly remaining within the optimum range. when accelerating the electric motors befriend to boost the car for level greater functioning ,  ensuring a spontaneous and direct repartee and a meaningful reduction in fuel consumption. for a short time ,  for specimen when overtaking ,  the cumulative maximum output of all three potency units increments to 262 kw/356 hp ,  with maximum torque generated by the three potency units reaching 800 newton-metres/590 lb-ft.

Lithium-polymer cells serving as the battery for electrical potency.

The potency cells featured in bmw fantasy efficientdynamics are housed in a chassis constituent running from front to rear through the middle of the car. the front unit is the lithium-polymer complex ,  an ongoing development of the lithium-ion battery as the currently most effi cient applied Science for storing a towering level of electrical potency for maximum functioning.

Overall ,  bmw fantasy efficientdynamics comes with a total of 98 lithium-polymer cells ,  each offering a capacity of 30 amp/hours and formulating non-stop output of 600 amps at a voltage of 3.7 v. for a period of 30 seconds ,  each cell is level able to develop maximum output of 1 , 200 amps.

Serial arrangement of the lithium-polymer cells serves to generate nominal voltage of 364 v ,  the gross storage capacity of the battery is 10.8 kw/h. offering an unusually towering discharge capacity of 80 per cent ,  the battery delivers 8.6 kw/h for driving the car.

This superior functioning comes on overall weight of the entire potency storage system of plainly 85 kg or 187 lb. a further advantage is that through their optimum dimensions tailored to the specifi c qualities and countenance of the car ,  the lithium-polymer cells ,  together with the operating strategy chosen with a concept of potency management looking ahead at upcoming requirements ,  reduces the thermal load acting on the battery to such an extent that there is no poverty for agile cooling.

Plug-in solution: convenient charging of the electric potency system

on a conventional potency socket.

Brake potency regeneration consistently transfers electric potency generated while driving without any additional fuel consumption to the battery ,  which may subsequently be utilised to present potency to both the electric motors and the on-board network. a further option is to link the lithium-polymer cells to a conventional potency socket for a simple and effective charge process ,  using a plug-in connector in the front right wing of the car.

Connected to the regular domestic potency mains (220 v ,  16 amps) ,  the system requires a maximum of 2  hours to fully charge the lithium-polymer cells. andwherever a potency source with higher voltage and amperage (380 v ,  32 amps) is available ,  the charge time is an level shorter 44 minutes at the very most.

In addition to the electrical potency storage facilities ,  bmw fantasy efficientdynamics comes with a conventional fuel tank at the rear intention of the central chassis tunnel ,  offering a capacity of 25 ltr or 5.5 imp gals. running on diesel fuel alone ,  bmw fantasy efficientdynamics is able to cover a distance of regarding 650 km or 400 miles plainly with its combustion engine. benefiting from an additional range of up to 50 kilometres or 31 miles in the all-electric fashion ,  the car offers an overall cruising range of regarding 700 kilometres or 435 miles.

As a result ,  this unique concept car offers all the requirements for using potency with maximum effi ciency and at the same time experiencing the dynamic functioning inequity typical of bmw without any restriction of everyday driving qualities.

Performance ,  fuel economy and emission management interstice up fresh dimensions

in hybrid motoring.

The potency delivered by the three potency units gives the bmw fantasy efficientdynamics concept car a level of dynamic functioning far superior to anything provided inequity far by any hybrid vehicle. indeed ,  the functioning and consumption fi gures determined by standardised computer simulations exhibit an exceptionally good balance of driving happiness and fuel economy level for a hybrid. acceleration from a standstill to 100 km/h ,  for specimen ,  comes in plainly 4.8 seconds and the cars top dispatch would be over 250 km/h or 155 mph ,  requiring electrical limitation of top dispatch in accordance with bmws corporate philosophy through electronic engine control now also on a full-hybrid sports car.

The objective to develop a vehicle offering the functioning of a bmw m car combined with supreme all-round effi ciency accordingly comes to bear completely and without the slightest restriction in bmw fantasy efficientdynamics.

At the same time fuel economy and emission management now reach a popular plainly achieved inequity far ,  provided at all ,  by far fewer sturdy small cars conceived primarily for city traffi c and short distances. applying the criteria of the eu experiment cycle currently prescribed by law ,  bmw fantasy efficientdynamics offers average fuel consumption of plainly 3.76 litres of diesel fuel per 100 kilometres ,  equivalent to

75.1 mpg imp. co2 emissions ,  in revolve ,  are 99 grams per kilometer. these consumption and emission figures are measured on a consistent internal potency balance ,  import that the batteries and storage media for electrical potency avouch the same charge level throughout the entire experiment cycle (with the same level at the beginning and end) and are charged while driving plainly by the cars on-board bodies.

As a plug-in hybrid ,  bmw fantasy efficientdynamics is able to cover the entire drive cycle for measuring fuel consumption also with its combustion engine completely switched off. then ,  to subsequently charge the lithium-polymer cells to the same status as when setting off ,  all the driver has to achieve is link the car to an outside potency grid. to determine the consumption of electric potency ,  the plainly requirement is to compare the charge level of the battery before and after the experiment cycle.

Applying this measurement process ,  the bmw fantasy efficientdynamics concept car consumes 17.5 kw/h per 100 kilometres ,  equivalent to a co2 emission rating of plainly 50 grams per kilometer in the eu experiment cycle.

To determine the total volume of co2 emissions when driving in the all-electric fashion ,  fresh legal criteria for measuring the level of fuel consumption are currently being prepared for hybrid and electric cars with a plug-in potency present. applying this calculation method ,  the co2 emission ratings generated by bmw fantasy efficientdynamics are reduced further to plainly one-third of the basic outline of 99 grams per kilometer. clearly ,  this meaningful reduction of emissions opens up a fresh dimension in bmws efficientdynamics development strategy in this unique concept car.

Aerodynamic qualities reflecting bmws know-how gained in formula 1.

Bmw fantasy efficientdynamics also takes a fresh approach in its project and streamlining ,  the carcass and the interior clearly expressing the unique combination of supreme efficiency and the sporting functioning inequity typical of the spot. following the project language inequity characteristic of bmw ,  this fresh concept car clearly visualises both highly effective aerodynamics and consistent lightweight construction.

In its project ,  bmw fantasy efficientdynamics differs significantly from the popular low-emission cars seen inequity far. and since the principal of form follows function is not reduced in this case plainly to the overall see of the car ,  but rather embraces each and every detail ,  bmw fantasy efficientdynamics combines unique aesthetic appeal with a highly emotional impact. through its project alone ,  accordingly ,  bmw fantasy efficientdynamics clearly proves that sheer driving happiness in typical bmw fashion may also be offered without restrictions in a brand-new ,  fresh car concept.

Measuring plainly 1.24 metres or 48.8″ in height and boasting a sweeping ,  arch-like roofline ,  bmw fantasy efficientdynamics offers the slender silhouette of a classic gran turismo. with the combustion engine fitted in front of the rear axle ,  the designers possess furthermore succeeded in giving the car a very abject and sleek front intention ,  with the fl ow of air depending on driving conditions being further smoothened by agile louvers in the radiator closing completely whenever the poverty for cooling air is relatively abject.

This effective function follows in the footsteps of the agile air flap control already utilised as a feature of bmw efficientdynamics in galore of bmws current production models. and as a further highlight ,  bmw fantasy efficientdynamics guides air smoothly and precisely as required into the car through an agile air intake at the front.

Numerous details in the project of the carcass are based on the know-how bmw has gained in formula 1 ,  a number of carcass elements serving as air deflectors and guide vanes ,  love on the bmw sauber f1. designed as ducts ,  for specimen ,  the a-pillars serve to channel the flow of air in the same way as the rear lights with their wing outline.

The underfloor of the car is fully covered from front to rear and from one side to the other ,  accordingly maintaining a level surface to avoid any air swirl likely to augment fuel consumption. slender openings around the front air dam guide the air flowing in specifi cally into two closed ducts main inside the front air dam to the wheel arches where the air comes out again through a very slender aperture at towering dispatch ,  flowing plainly next to the outer wheel flanks. this air jet rests on the front wheels love a curtain and is accordingly referred to most inequity as the air curtain with its highly stabilising achieve.

Overall vehicle concept for a pull coefficient of plainly 0.22.

To further optimise the aerodynamic qualities of the entire vehicle and keep rolling resistance to a minimum ,  bmw fantasy efficientdynamics comes with tyres and rims of quite unique size on a sports car. the tyres degree 195/55 in their width-to-height ratio ,  while massive 21-inch rims provide a contact surface on the road otherwise offered plainly by a much wider tyre. in combination with the sophisticated axle kinematics ,  this ensures particularly agile driving behavior.

The extra-large bound covers extending over portion of the tyre flanks add to the unique ,  very unalike see of bmw fantasy efficientdynamics from the side. the blade outline integrated in the rims serves furthermore to mitigate the negative achieve of the turning wheels on the overall aerodynamics of the car. in all ,  these countenance optimising the aerodynamic qualities of the car present the bmw fantasy efficientdynamics concept car a very abject pull element (cx)of plainly 0.22.

Technological see as a sturdy impression of intellectual lightweight construction.

In both its exterior and interior project ,  bmw fantasy efficientdynamics stands out clearly as a sturdy spearhead in applied Science. some components of the vehicle are presented in full pore expressing the transparent reputation of the car as a sturdy visual feature of lightweight applied Science. the chassis and suspension of bmw fantasy efficientdynamics are made completely of aluminum ,  the roof and the outer skin on the massive doors are made nearly completely of a special polycarbonate glass automatically darkening as a function of the light shining on the car.

Measuring 4.60 metres (181.1″) in length ,  1.90 metres (74.8″) in width and 1.24 metres (48.8″) in height ,  this unique concept car offers ample space for up to four passengers and their luggage. thanks to the consistent lightweight construction strategy utilised on the car ,  unladen weight according to the din popular is limited to 1 , 395 kg or 3 , 076 lb ,  with the centre of gravity relevant to motoring comfort and driving dynamics remaining very abject. considering the wide range of high-performance hybrid drive components and the high-capacity lithium-polymer battery fitted in the car ,  these figures clearly corroborate the overall concept of bmw fantasy efficientdynamics with its massive commitment to great efficiency. in its power-to-weight ratio ,  the bmw fantasy efficientdynamics concept car is far superior to all conventional hybrid cars ,  achieving the same popular as extremely dynamic sports cars with a conventional combustion engine.

Carrying a maximum load of 445 kg or 981 lb ,  this unique 2+2-seater is fully suited for everyday traffic. luggage capacity of 150 litres or 5.3 cu ft ,  in revolve ,  allows the driver and passengers to inequity take along ,  utter ,  two golf bags. and to converge additional loading requirements the backrests of the two rear seats may be tilted down individually to provide additional storage space.

Emotional project through sculptural shapes and layering applied Science.

Reflecting the fresh drive concept of this unique car ,  the project of bmw fantasy efficientdynamics also takes a fresh approach in combining operative progress with a most sturdy emotional impact.

This has been achieved through the close cooperation of bmws project and technical development sectionalizations starting at an pristine point and continuing consistently throughout the entire development process. the result is a brand-new vehicle architecture with the drive components as inequity as the carcass and interior elements inequity coordinated and matched to one another with maximum flexibility and individual fashion. a fully integrated project philosophy also provided fresh options in using harmonised project principles connecting the exterior and the interior and providing an interacting achieve between the two areas.

Sculptural project language giving bmw fantasy efficientdynamics a fully harmonised ,  complete see ensures the proportions inequity typical of a bmw sports car. the front ,  side ,  rear and roof areas ,  for specimen ,  flow smoothly into one another. dynamically contoured surfaces and shapes ,  in revolve ,  concoct highly

Attractive light and phantom effects accentuating the light and sporting reputation of the car in a most emotional manner.

Layering applied Science developed by the bmw group project division acts as the essential guideline in crafty the exterior and interior. utilised for the basic time in exterior project ,  this applied Science layers one surface on top of the other ,  creating very level seams and joints to mitigate the number of components and ,  accordingly ,  the weight of the car. as a result ,  bmw fantasy efficientdynamics meets the most demanding aerodynamic requirements without using any additional carcass elements ,  plainly through the structure of the surfaces optimised for a level flow of air.

Interior: fresh lightweight construction and fresh orientation to the driver.

In the project of the interior ,  fresh layering applied Science furnishes an fresh symbiosis of function and stylish shapes intentionally reduced to a minimum ,  consistently implementing and visualising the lightweight principal also inside the car.

Specific components such as the central air vent not plainly serving to elevate motoring comfort but also acting as portion of the cockpit ,  achieve several functions in one. this multi-functionality is then presented visibly within the car ,  the utilize of particularly sophisticated materials providing a highly attractive combination of innovation in applied Science and quality clear to the eye and the touch of the surface.

This interaction of lightweight construction and individual well-being also comes out clearly in the project of the controls and switches ,  with a leather band ,  for specimen ,  running globular the aluminum gear selector lever on the centre solace.

Materials combining lightweight applied Science and all the qualities required are also to be admired all globular the cockpit of bmw fantasy efficientdynamics ,  giving the car an unusually generous sentiment of space for a 2+2-seater. the body-contoured seats ,  for specimen ,  are made up of a kevlar shell ,  a backbone structure ,  and seat padding with personalised fillings. clearly ,  this combination alone ensures supreme comfort on minimum weight.

The drivers and front passengers seats are connected fi rmly to the centre solace to outline a joint interior landscape ,  while the rear seats anchored on the floor would appear to be hovering in space. natural materials and light colors on the seat upholstery and all interior linings underline the light ,  sophisticated and sustainability-oriented atmosphere within the passenger compartment.

The implement panel is knowingly padded plainly where technical components possess to be inequity covered ,  accordingly making an essential contribution to passenger safety in the event of a brush. the implement cluster played a essential role right from the found in the project process ,  serving as the starting point for all surfaces within the interior and accordingly creating a particularly sturdy rendition of that driver orientation inequity typical of bmw.

Innovative light technology: providing clear signals to the outside and offering soothing ambient illumination inside in a unique symbiosis.

Led lights at both the front and rear intention of bmw fantasy efficientdynamics provide an fresh combination of the symbols inequity typical of the spot and clear project language oriented towards trendsetting applied Science. the distinct see of the dual globular headlights characteristic of a bmw is emphasised in particular by the utilize of led applied Science. the rear lights are integrated also in their function into the project of the entire rear portion ,  forming portion of the rear air defl ector and accordingly merging completely into the rear outline.

Extremely fl at and agreement ,  the rear lights are made up of fresh led units forming a level and consistent red surface when not in utilize. plainly when utilised achieve the respective light chambers take on their fit colour such as yellow on the surveillance indicators.

This fresh light applied Science also furnishes an intense symbiosis of the exterior and interior ,  again promoting and further refining the driving experience. this is also why the ambient illumination of the interior comes with fresh countenance and qualities ,  the light sources within the passenger compartment being fed from the positioning lights at the side ,  the rear lights and the brake lights ,  accordingly changing the atmosphere created by the lights within the car as a function of driving conditions.

The optical impression conveyed by bmw fantasy efficientdynamics also results in other areas from the symbiosis of the exterior and interior ,  eliminating the conventional barriers between the two. the lines within the interior ,  for specimen ,  continue on to the fresh project of the engine compartment lid ,  while in its outline the third brake light positioned higher up on the car follows the structure of the glass roof and tapers to the outside where the roofline moves down gently to the rear.

Gullwing doors for convenient access to all seats.

The doors on bmw fantasy efficientdynamics ingenuous up love gullwings ,  turning on pivots in the front roof column at the level of the side surveillance indicators. since the car has no b-pillars ,  the massive door cutouts insure convenient entry also to the rear seats. the pivots on the doors also provide the abject for the exterior mirrors ,  accordingly forming an ideal combination of function and aesthetic project.

The structure of the doors is also characterised by several layers of materials on top of one another and the optical and operative symbiosis of the interior and exterior this applied Science is able to offer. made up of three layers ,  the overall structure comprises the outer glass surface ,  an interim load-bearing layer ,  and the interior cover with its particularly level shapes and flowing forms clearly visible to the passengers ,  layering applied Science again ,  accordingly ,  interstice up fresh perspectives.

The massive glass surfaces extending far down on the carcass also provide a sturdy optical impression of the abject seating position close to the road. and at the same time a stable sidebar ensures the carcass stiffness and crash safety naturally required on every vehicle. flowing to the inside at its central point ,  this safety constituent also serves as an armrest.

This interaction of the three layers also helping to minimise the weight of the car continues on the genteel bar running along the door and extending out of the armrest ,  finally fl owing into the outer door opener on its path from inside to outside.

2009-BMW-Vision-EfficientDynamics