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i8 Roadster
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  BMW i8 Roadster
 

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Country of origin:Germany
Introduced in:2018
Introduced at:2017 Los Angeles Auto Show
Source:Company press release
Last updated:November 29, 2017
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Click here to download printer friendly versionAt the 2017 Los Angeles Auto Show, the allure of sustainable driving is poised to enter another new dimension as BMW introduced the first-ever BMW i8 Roadster matching BMW eDrive technology with the Ultimate Driving Machine. The first-ever BMW i8 Roadster takes the BMW i8's combination of locally emission-free mobility, high-caliber performance and adds the top-down driving experience. The Roadster offers a whole new sensation of freedom, opening the door to virtually silent driving with zero CO2 emissions and bringing an extra edge of purity to open-air driving. An optimized BMW eDrive technology means more power - total output increased to 369 hp (+12 hp), a refined high-voltage battery with increased capacity and range, the first-ever BMW i8 Roadster and BMW i8 Coupe can cover up to 18 miles (preliminary) in purely electric driving. With hybrid-specific all-wheel drive, combustion engine driving the rear wheels and the electric motor driving the front wheels, acceleration 0 to 60 mph takes just 4.2/4.4 seconds (preliminary) Coupe and Roadster respectively with both reaching an electronically limited top speed of 155 mph.

Following the world premiere of the first-ever 2019 BMW i8 Roadster at the Los Angeles Auto Show 2017, sales will commence in spring 2018. Simultaneously, the new 2019 BMW i8 Coupe will also be available at certified BMW centres with both models offering LifeDrive vehicle architecture designed for BMW i cars. Price to be announced closer to market launch.

The BMW i8 has performed the role of sports car of the future with extraordinary success since 2014. The progressively designed 2+2-seater doubles up as an eye-catching object of desire and a technological pioneer. Indeed, the BMW i8 has been the world's best-selling hybrid sports car since it first hit the roads in 2014 and has collected an array of awards in recognition of its visionary design and trailblazing vehicle concept. The BMW i8's plug-in hybrid drive system has won the International Engine of the Year Award three years in succession (2015 - 2017) and paved the way for the constantly expanding number of plug-in hybrid models from the BMW and MINI brands.

The aluminium Drive module combines the powertrain, high-voltage battery, suspension, crash system and structural functions, while the Life module takes the form of a passenger cell made out of carbon-fiber-reinforced plastic (CFRP). The first-ever BMW i8 Roadster also benefits from a light-weight construction, complete with low centre of gravity and even weight distribution. The aerodynamically optimized exterior - with model-specific gullwing doors and a soft-top roof that also displays great visual lightness - is a fine exponent of the signature BMW i design language. The result is a two-seater boasting a distinctive and elegantly silhouette, and delivering an immediate promise of instantaneous power ready to be unleashed.

The BMW i8 Roadster: two-seater with electrically operated soft-top roof and additional on-board storage space. Passengers inside the first-ever BMW i8 Roadster can either enjoy the open sky or a high-quality, all-season fabric soft-top with additional soundproofing. The electrically operated convertible top, opens and closes in less than 16 seconds and while the vehicle is in motion at up to 31 mph.

The BMW i8 Roadster is alone among its rivals in offering owners a fabric soft-top which stows away into a perpendicular position in the rear when opened and therefore takes up very little space. The three segments of the roof fold vertically in a 'Z'. Additional storage space between the roof box and the seats for the driver and front passenger is around 3.5 ft3 (preliminary figure). In combination with the storage area in the rear, which can accommodate 4.7 ft3 cargo, the rear compartment helps to ensure the open-top version of the plug-in hybrid sports car is also as well equipped as possible for everyday use.

Opening the roof raises the rear window automatically by around 1.9 inches into a comfort position. By raising the rear window, the air flow is guided towards the rear, reducing wind turbulence optimizing the passenger's experience. The driver can adjust the height of the rear window at the touch of a button to control the impact of the inflowing air as desired.

Intelligent lightweight design and innovative production technology also play a key role in the construction of the soft-top. For example, aluminium elements connecting the roof mechanism with the body of the first-ever BMW i8 Roadster are produced in a new 3D printing process. This manufacturing method for aluminium components breaks new ground in the automotive industry and allows the topologically optimized bracings to be produced in a geometric form, which would not be possible using conventional casting techniques and ensures an optimal balance between component rigidity and weight.

Optimized BMW eDrive technology: more power, increased range; electric driving experience raised another notch. Rigorously developed BMW eDrive technology powers both the first-ever BMW i8 Roadster and new BMW i8 Coupe. The number of driving situations where the electric motor is solely responsible for powering the car has been significantly increased. By contrast, the combustion engine is only brought into play when accelerating hard, and is switched off again far more frequently with a measured driving style. The optimized operating strategy of the intelligent energy management highlights the future-focused character of the new BMW i8 Coupe and ensures that drivers of the first-ever BMW i8 Roadster can enjoy silent open-top driving with zero local emissions.

Underpinning this new level of locally emission-free electric mobility is the updated version of the lithium-ion battery developed for the BMW i8. The high-voltage unit is located centrally in the car's underbody and its cell capacity is up from 20 to 34 Ah and gross energy capacity from 7.1 to 11.6 kilowatt hours (kWh, net energy capacity: 9.4 kWh). Plus, the cell configuration allows a 12 hp increase in peak output to 141 hp and 184 lb-ft of torque, lacing quick sprints on pure-electric power with an even sharper streak of dynamism.

The electric range of the i8 has also been increased. The first-ever BMW i8 Roadster and BMW i8 Coupe can cover up to 18 miles (preliminary) in purely electric driving. And that broadens the reach of all-electric mobility well beyond the city limits.

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  Article Image gallery (30) Specifications