BMW i3 (2014)

 

Car Barn Sport | BMW i3 (2014) | Already a successful manufacturer of premium vehicles will also play a leading role in pioneering and shaping the face of individual mobility in the future, the BMW Group. The BMW Group is pursuing an integrated approach, as evidenced by the new BMW i brand, in their efforts to achieve the necessary balance between individual needs and the overall needs of mobility in the future. BMW i is defined committed to the development of innovative vehicles and mobility services from premium character, which is quadratic in terms of sustainability. The BMW i3 is the first premium car driven by a zero electric propulsion system are designed. The result is delivered to the driving pleasure so typical of BMW with zero emissions and intensity of the intervention of any other motor vehicle electrical system. As the i3 architecture unique vehicle - around LifeDrive structure, with its carbon fiber and aluminum inner module covers the power train, chassis and battery - the electric motor, the power electronics and lithium-ion batteries to high voltage were independently assessed by the BMW Group BMW eDrive developed under the program. This ensures that the venerable BMW driving pleasure is also a central element of the BMW i3.

The LifeDrive architecture and car BMW eDrive technology provides a unique degree of freedom in terms of design. A body measures 3,999 mm long, 1,775 mm wide and 1,578 mm in height, the BMW i3 distinctive proportions emphasize the dynamism and agility of the car in urban compact. The short overhangs: the BMW i3 is also a clear indicator of its handling characteristics. The front design of the BMW i3 is defined by a highly contoured apron, limited by the unique interpretation of the BMW kidney as a closed element and headlights with LED units U. LED tail lights also U-shaped elements are integrated as "floating" in the large fully glazed tailgate. Opposing doors "coach", without pillars and along the central tunnel is usually found in conventional vehicles, are the basis for the unusually high level of spaciousness and freedom of movement within the BMW i3 (for its compact exterior dimensions) . The BMW i3 is equipped with lightweight seats with backrest thin. A slightly elevated seating position optimizes the driver's view of the city traffic.

The standard features of the BMW i3 and containing iDrive Professional radio, speakerphones, air conditioning, Park Distance Control with sensors mounted at the rear, with air conditioning and an auxiliary variable trunk. Additional options include a variety of navigation systems, adaptive LED headlights, a hard top electric glass, climate control, heated seats, comfort access and a wide range of features from BMW ConnectedDrive. Available as options are the driver assistance systems, such as the driving range extender Assistant Plus and park assist, a rearview camera and speed limit information. The key elements are the LifeDrive architecture and technology BMW eDrive. The use of lightweight carbon fiber cabin additional weight increases the ion battery of this, while the low position, the center of the battery, the machine is improved agility perfectly balanced thanks to 50: 50 weight distribution. Furthermore, the electric motor in the vicinity of the rear mounted engine unique features of this type of propulsion and drive the trip. The forged alloy wheels standard 19-inch wheels for the BMW i3 are extremely light, but also an excellent torsional rigidity. 20-inch alloy wheels as an option customers. The instantaneous power output of the electric motor, allied with the set-up of the car's suspension stiff, precise steering and impressive tight turning radius (9.86 meters) produced a typical BMW takes mobility.

The special design of hybrid synchronous motor electric, developed exclusively for the BMW i3, maintains a linear flow of power in the upper rev range. The control of a single pedal in the BMW i3 Concept - the BMW development engineers drive system configured group - also contributes to the driving experience enjoyable. The electric motor turns the unit into generator mode, power to the lithium-ion battery. Simultaneously generates a precise braking control. This recovery is steering speed-sensitive, which means that the car "coast" with maximum efficiency at higher speeds and produces a braking effect at low speed. The lithium-ion battery makes the BMW i3 to get a range of 130-160 km (81-99 miles) in everyday life. The Range Extender increases the car daily maximum driving range of about 300 kilometers (about 180 miles). Protection optimum safety in all situations. While the unit form aluminum - frame - provides the stable base of the vehicle and the integrated battery, drive system and structural and crash functions form the basis of life mainly consists of a fiber interior light high-strength carbon. The high load-bearing strength with intelligent distribution and absorption of impact forces, the rules for optimal protection of the occupants. Even in km / h (40 mph) offset frontal impact, 64, makes the material extremely rigid passenger compartment on the occupant living space is compromised, while aluminum crash structures at the front and rear drive module with additional protection.  In the event of a side impact and pole impact, the CFRP body is extraordinary ability to absorb energy. Despite the high impact forces that are concentrated in relatively small areas, the material undergoes only a slight deformation. These exceptional qualities offer optimal not only for passengers but also for the high-voltage battery. In the test, driving side-impact column must not extend to the battery. The LifeDrive architecture, including inside CFRP also provides a new freedom in designing the interior of the BMW i3. Sliding doors on the left side right rear seat is refreshingly simple as moving over from the passenger seat behind the steering wheel. Fold the rear seats creates a flat load floor and enables automatic load capacity of 1100 liters Variable expand. The BMW i3 is equipped with lightweight seats with backrests additional thin hind legs. Both the instrument cluster and the Control Display of the BMW i3 (6.5-inch diameter, 8.8-inch as an option) to enter a screenshot. From the point of view of efficiency, the BMW i3 body must not only strong but also light. This apparent conflict of interest raises the engineers pioneered the development of the architecture of the BMW i3 vehicle. The use of CFRP essentially allows the construction of very light body. Carbon is the lightest material that can be used in the construction of bodies without compromising security. The LifeDrive concept are two independent modules separated horizontally. The Drive module - aluminum frame - gives the vehicle its base high strength and the integrated battery and units in a single structure. The Life module, now mainly consists of high-strength and extremely lightweight passenger compartment made of CFRP. With this innovative concept, the BMW Group is the combination of lightweight design, vehicle architecture and crash safety of a new dimension. LifeDrive module provides optimum security. In the development of the BMW i3 Concept, was a close coordination with the international institutions of crash tests on the body and innovative safety concept of the BMW i.

Even after the debilitating structurally offset frontal impact at 64 km / h (40 mph), ultra-rigid material remains intact survival space for passengers. Activated aluminum structures in the front shock and the rear part of the drive module for additional security so that less deformation of the body is produced on the steel body comparable. In the cutting test of rescue work processes occupants of a standard BMW i3 has been involved in an accident. Impressive rigidity, combined with its ability to absorb a large amount of energy, makes it extremely CFRP tolerate damage. Even at high speeds, there is almost no impact deformation. As a Formula One car, this material has a duration exceptionally strong survival space. The high tensile strength along the length of the fibers allows components CFRP in order, are given by the direction of load, construction of high resistance. Lower mass accelerated during a crash means that the structures to absorb energy were reduced vehicle weight. Excellent side impact protection on the results. Side effects Pole impact is breathtaking brand of safety-enhancing properties of CFRP. If the forces beyond the limits of resistance of the material, the composite material of fiber is broken down into its individual components in a controlled process. Crash-active structures in the vehicle aluminum front and rear for safety. In the Euro NCAP side impact test on a pole that affects the neutral side of the vehicle at 32 km / h (20 mph), the carbon fiber composite also shows his extraordinary ability to absorb energy. The high-voltage battery also benefited from the excellent deformation properties in CFRP Life module. Make sure that the mixture of materials used and the distribution module of intelligent energy for the battery LifeDrive high voltage optimum protection in side area.

All teams CFRP passenger cell with high-strength distribution in intelligent LifeDrive module to lay the foundation for optimal protection of occupants at all. Lithium batteries are safe even in case of fire. Safety is an important factor for the development of the BMW models. The high-voltage system is designed to meet the requirements of the law in case of accidents, with the high-voltage battery includes features that ensure its safe reaction in situations like this. The experts concluded that electric cars and hybrid with lithium-ion battery drive system are at least as safe as conventional vehicles with traction in case of fire. To ensure the highest level of security in a scene of the accident, the high-voltage battery is disconnected from the high voltage and download the connected components, when activated restraint systems.

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