Reinventing mobility with sustainability in mind takes more than just a vision. You need answers to a plethora of emerging questions, the first of which is: Where does sustainability begin? The answer: in the same place as it ends.
Sustainability characterises the thoughts and actions of the BMW Group. Which is why the BMW Group is the Dow Jones Sustainability Index leader for the eighth year in succession, making it the most sustainable company in the automotive industry yet again. With EfficientDynamics, BMW has set itself the goal of continually reducing emissions while increasing driving pleasure. BMW i uses a wealth of innovative BMW EfficientDynamics technologies and goes even further: From design to production, from the useful life of the vehicle to its disposal, every detail is based on sustainability. Because sustainability is an attitude that doesn't have a beginning or an end.
The aim of developing the BMW i cars is not simply to build emission-free cars, but also to use the maximum possible amount of sustainably produced and recycled materials – especially inside. The interior of the BMW i3 sets a new standard here and makes sustainability tangible.
Another milestone is the completely innovative LifeDrive car architecture, with its carbon passenger cell and aluminium drive module that reduce its weight enormously and extend the car's range.
The innovative BMW i LifeDrive architecture, specifically designed for the development of electric cars, reduces the weight and increases the range. Two separate functional units, the aluminium drive module and the life module made of high-tech carbon fibre, combine to form an ultralight, strong design. The result: improved energy efficiency, extended range and greater safety.
Minimum wind resistance, maximum range: excellent aerodynamics are a key element of efficient electromobility. With BMW i, fully concealed underbodies prevent wind turbulence under the car, while aero-flaps improve the aerodynamics of the wheel arches and side sills behind the front wheels. This reduces wind resistance and the car’s energy consumption, extending the range.
Natural, renewable, and sustainable: the interiors of BMW i cars feature door trim panels and dashboards made from a renewable natural fibre, naturally-tanned leather and an open-pore eucalyptus wood from 100 % FSC®-certified forestry. Overall, 25 % renewable raw materials and recycled plastics were used in the interior of the BMW i3. The textile seat coverings are 100 % recycled polyester, produced using 34 % PET. A further 25 % recycled plastics are used in the exterior.
The BMW Group has topped the Dow Jones Sustainability Index every year since 2005 as the world’s most sustainable automobile manufacturer. Rather than become complacent, we were motivated to create new standards: the energy-intensive carbon fibre manufacturing process was set up in Moses Lake, USA, because it can be operated there using clean energy from one of the world's largest hydroelectric power plants – the Grand Coulee Dam. The BMW i plant in Leipzig is also fully powered using electricity from 4 wind turbines installed specifically for that purpose on the plant premises. In addition, the energy consumption required to produce the cars in the Leipzig plant was reduced by 50 % and water consumption by as much as 70 %.*
*compared to the industry-leading BMW Standard.
BMW i USE.
In order for these electric cars to be both extremely agile and remarkably efficient, an intelligent cooling system keeps the battery at its optimal operating temperature at all times. BMW i drivers can also activate exceptionally economical driving modes. At the push of a button the range can be extended by around 30 %.
Consistent sustainability means that even CO2 emissions generated outside the car are reduced or avoided.
*depending on individual driving behaviour, calculated in an internal BMW power consumption study.
How can electric components be recycled most efficiently? By reusing them. There are many ways to repurpose the high-performance lithium-ion high-voltage battery from a BMW i after its use in a car: easily and effectively as an intermediate power store in solar or wind power systems, for example.
BMW i is also a pioneer in the processing of carbon fibres and their recycling. To the BMW Group, remnants from carbon production and the production of carbon components are valuable materials that are either channelled back into the production process or reused in other areas.
But even that was not enough for us, so 95 % of the materials used to produce a BMW i3 can be recycled.
VERIFIABLY SUSTAINABLE CARS.
For the first time in the history of the BMW Group, demanding sustainability targets for a newly designed vehicle over its entire life cycle were already defined during the early strategic phase. These take into account the value chain as a whole, including sourcing, production, usage and subsequent recycling. In order to evaluate the achievement of concrete objectives, an environmental footprint was determined during the entire development of the electric BMW i3 car model. And this footprint confirms that the overall approach for the BMW i3 is a model for success.
A crucial contribution is made by the electric drive of the BMW i3, which is significantly more efficient than petrol or diesel engines. If generating electricity for the high-voltage battery is also taken into account, there is further scope for optimising the environmental footprint.
Innovative lightweight construction
BMW i further intensifies the BMW Group long-term strategic commitment towards ecological, economic and social sustainability. One result of this approach was the decision to maximise the use of energy-efficient lightweight materials e.g. aluminium and Carbon Fibre Reinforced Polymer (CFRP) that are produced using electricity generated from renewable sources.
Sustainable production cycle
During the manufacture of the Life module, the BMW Group makes use of its unique expertise in the field of industrial CFRP production. In a process developed especially for BMW i car models, offcuts from the manufacture of CFRP can, for example, be reintroduced into the production stages. This reduces the need for raw materials from the carbon-fibre plant in Moses Lake (USA), where the source material is produced for all components manufactured from CFRP in the electric BMW i3.
Use of renewable electricity
The electricity for production of BMW i cars at the Leipzig plant also comes exclusively from renewable energy sources. For this purpose, wind turbines were installed on site in order to supply electricity directly for the production process. In addition, 100% of the energy required for manufacturing at the carbon-fibre plant in Moses Lake USA comes from locally generated hydropower.
Confirmed by the ISO certificate 14040/14044
The environmental footprint of the electric BMW i3, which confirms that the set objectives have been achieved, meets the most stringent international standards. The Declaration of Validity issued by the independent TÜV SÜD Technical Inspectorate confirms that the methods applied by BMW i are compliant with the latest engineering standards and meet all requirements of the strict ISO standard 14040/14044. TÜV SÜD reviewed all data and methods used for the environmental footprint in accordance with clearly defined criteria. Via the definition of targets as well as constant monitoring, it was possible to reduce the greenhouse potential of the all-electric BMW i3 in comparison to a conventional vehicle by between 30% and over 50% (provided that electricity from renewable sources is used when driving).
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