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BMW Concept Roadster has two fewer wheels than we were expecting

The annual Concorso d'Eleganza Villa d'Este on the shores of Lake Como is an opportunity for some of the most beautiful vehicles in the world to descend on one of the poshest places on earth each year. Unsurprisingly, the event is also increasingly the chance for automakers to debut exclusive concepts to some of the wealthiest auto enthusiasts in the world. In the last few years, BMW has become the masters of this annual unveiling with automotive concepts like the Gran Lusso Coupé, BMW Zagato Coupe and motorcycles like the the gorgeous Concept 90, not to mention the just-revealed Mini Superleggera Vision. But this year the Bavarian automaker has been somewhat tricky.
What would you first think when you heard of the BMW Concept Roadster? A lithe, two-seat convertible? Nope. This roadster is a cut-down, minimalist motorcycle with an ultra-modern design. As opposed to the retro looks of the Concept 90, this naked bike looks like it could fit in a BMW showroom tomorrow and not seem out of place.
The Concept Roadster packs the brand's classic two-cylinder boxer engine displacing 1,170 cubic centimeters and producing 123 horsepower and 92 pound-feet of torque. That power is routed to the rear wheel via a cardan drive, essentially a driveshaft, with a single-sided swing arm rear suspension. It's all nestled in a tubular spaceframe.

BMW reveals M4 safety car with innovating water injection system [w/video]

Racing series don't just pick their safety cars at random, or use just whatever car is lying around. These days the car that sets the pace at the front of the pack is typically provided through consideration by a sponsor. In the MotoGP series, that's BMW and its M division, which have served up the Official Car of MotoGP since 1999. What you're looking at is the latest, and it packs some innovative technology on board. Aside from the matte black wrap with BMW's iconic striped livery, upgraded aero kit, retrofitted interior and emergency equipment, this BMW M4 coupe packs a new injection system under the hood. Only instead of injecting fuel, it injects water into the combustion chamber – something that wouldn't usually be recommended, but BMW insists actually aids in the combustion process. The idea is that the temperature of the air being mixed with the fuel inside the engine is usually hotter than ideal, so the system injects a fine mist of water into the collector in order to reduce the air's temperature... sort of like one of those hydrating misters at an amusement park or outdoor mall, but in an even hotter environment. The system brings the temperature of the air down to a more optimal temperature, helping it combust better. The process is said to yield a number of positive effects. For one, it reduces knocking. For another, it can make more out of lower-octane fuel where higher octane isn't available. It also can control the adverse effects of higher ambient temperature on the combustion process. But most of all, it increases output and reduce fuel consumption by around eight percent. Whether that eight percent is worth the added weight of the system – particularly with water pump and a 1.3-gallon tank in the trunk – is up for debate. But we'd imagine that the Bavarian engineers have weighed very carefully. Of course there's also the matter of refilling the water tank, which BMW says would be carried out whenever the safety car is refueled, but in real-world conditions would only necessitate attention once every five top-ups at the gas station. By now you might have guessed that BMW probably didn't develop this system just for the MotoGP safety car, and isn't planning on keeping it confined to the racetrack. Instead it's being tested and demonstrated on the safety car before being rolled out on production models in the future.

BMW i3 gets tuner treatment from Eve.Ryn

The BMW i3, especially when wearing its Capparis White paint job, already looks a bit like some sort of futuristic escape pod launched to Earth from a spaceship. It was only a matter of time until the electric car got touched by the eager hands of a tuner to make it even more eye-popping. It is, after all, a BMW. Japanese tuner Garage Eve.Ryn appears to be the first to give the i3 the inevitable once over. The result is a much more aggressive-looking EV, called the i3 EVO. We say aggressive-looking, because we have no information to suggest that the makeover was anything but cosmetic. The i3 EVO has slightly exaggerated fender flares, which stand out with their strips of carbon fiber along the edge. The redesigned front bumper looks like it could have been fashioned out of Star Wars stormtrooper armor, complete with fake air intakes and, of course, a helping of carbon. The rear end gets a diffuser, too. The large wheels feature blue accents, which help to highlight the Ice Blue bits already on the vehicle. For a closer look, check out the i3 EVO photos in the gallery and there are more like it on Eve.Ryn's Facebook page, in galleries here, here and here, as well as a more recent set of images showing the car emblazoned with Energy Motor Sport (a company that appears closely related to Eve.Ryn, on the distribution end) decals on the sides. There's no telling what the body kit does for the aerodynamics of the car, but it would be interesting to find out what effect Eve.Ryn's handiwork has on the i3's range. Either way, this surely won't be the last time a tuner finds a way to reimagine the BMW i3, so, love it or hate it, you might as well get used to it.