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BMW 1 Series prototype packs direct water injection

Just a few months ago, BMW showcased an M4 that was modified to serve as the safety car for the MotoGP racing series. The flashing lights and emergency equipment, however, weren't the only modifications BMW made to the performance coupe. It also packed an innovative new water injection system. And now it's furthering the development of that system by running it in a 1 Series hatchback as well. Revealed at the BMW Group Innovation Days 2015 event, this five-door 1 Series packs a three-cylinder gasoline engine – like the one found in a Mini or i8 – but fitted with the direct water injection system. In this application, the system sprays a fine mist of water – yep, regular old H2O – right into the combustion chamber. While mixing water with gasoline normally wouldn't be recommended, in this case it evaporates immediately and helps cool the engine from the inside, allowing it to run at higher efficiency. That cooler running engine brings with it several benefits. It delivers improved fuel economy and lower emissions, to start. It also allows for an earlier ignition point, higher compression ratio, and higher boost pressure in turbocharged engines, delivering increased output. It even cuts down on engine knocking (where combustion occurs spontaneously), reduces wear and tear on the engine, and makes better use of lower octane levels. If that sounds like a win-win-win... win (we're losing count of all the wins here), it's because BMW just may be on to something. Of course it does require a water tank to be fitted on board, which means added weight, but instead of requiring the driver fill up the water tank, BMW has fitted this prototype with a system that replenishes the water level from the air conditioning system when the vehicle is switched off. So unless it's being driven in a particularly extreme climate, it doesn't even need topping up. Add one more "win" to the list, then. Extra power, improved real-world fuel economy: Direct water injection enhances efficiency. With direct water injection for turbocharged petrol engines, the BMW Group has again succeeded in enhancing the capabilities of conventional engine technology through an ongoing process of refinement and improvement. The precisely controlled injection of water into the engine cylinders produces a cooling effect that boosts power and torque, particularly when operating at or near full throttle, while at the same time reducing fuel consumption and emissions.

BMW M3 gets throwback livery for Oktoberfest [w/video]

BMW is ringing in Oktoberfest this year with the special M3 you see here. The performance sedan has been done up in a retro livery that harkens back one of the BMW M1 Procars from 1981, and was even designed by the same artist responsible for the original 34 years ago. But you'll have to go to Munich to see it. To understand the significance of the livery, you first have to know something about the BMW M1 Procar. The spec racing series was formed in 1979 around the M1, the legendary mid-engined sports car designed by Giorgetto Giugiaro and co-developed with Lamborghini. The road-going M1 models used in the series were modified for racing with more powerful engines, more aggressive aero, and other competition-spec components, and were driven by many F1 drivers in support races at European grands prix. Some even competed against other entries in broader races. Many of the cars featured liveries with BMW's signature red, dark blue, and light blue stripes, but others ran more unique color schemes. The "Munchner Wirte" (Munich hosts) car was one such example, running at Le Mans with a custom livery designed and hand-painted by artist Walter Maurer. It featured Munich landmarks like the Olympic Stadium, Frauenkirche church and BMW's headquarters, along with a roast-chestnut vendor and an Oktoberfest beer tent. 34 years later, Maurer has applied the same livery to the M3 you see here. It'll be displayed at this year's Oktoberfest, which kicks off this weekend in – you guessed it – Munich. As if we needed another excuse to visit Europe in the fall and swill some of the world's finest beers by the liter. Check out the video below for BMW's official welcome to Oktoberfest visitors. Oktoberfest date for one-off BMW M3 "Munchner Wirte". Munich. BMW M GmbH is set to unveil a BMW M3 in "Munchner Wirte" livery to coincide with this year's Oktoberfest in Munich (19 September – 4 October). The one-off car will underscore the company's ties with motor sport in general and the city of Munich in particular. The livery design of the BMW M3 "Munchner Wirte" harks back to that of the legendary BMW M1 Procar from 1981, complete with Bavarian-style facade painting and blue and white twisted cords, along with depictions of Munich landmarks (such as the Olympic Stadium, Siegestor, Frauenkirche church and BMW's headquarters – the "four-cylinder" building), a roast chestnut seller and the Wiesn-Schanke beer tent at the Oktoberfest.

BMW's DriveNow car sharing shutting down in SF next month

BMW's DriveNow car-sharing service is suspending operations in San Francisco next month after more than three years. The culprit? Not enough parking spots in the City. BMW debuted both DriveNow car-sharing and its ParkNow service in the City by the Bay in August 2012, initially launching with the ActiveE plug-in vehicle and later moving over to the i3. While there probably wasn't a shortage of folks looking to drive those cars, it was the ending part of that equation that proved problematic. That's because San Francisco hasn't been able to clear out enough street-parking spots to make the program work properly, despite adding 80 spaces for the 150 cars in the program back in 2014. "We hope to return to San Francisco in the future and will continue to engage with the City on possible solutions that will allow you to experience the full benefits of our one-way car sharing service," said DriveNow CEO Richard Sternberg on the company's website. "In the meantime, we are focusing our efforts on new cities where our transportation solution can flourish. We would like to thank you for your loyal support and embracing flexible car sharing as an alternative transportation method." As far as that expansion to other US cities, BMW hasn't been specific. Bimmer also runs the DriveNow program in three Germany cities as well as Copenhagen, Vienna and London. So, DriveNow apparently has an easier time finding parking spots in London than in San Francisco. Why BMW couldn't use a flexible parking system for its one-way rentals like the similar Car2go program uses remains a mystery. Related Gallery BMW i3 Available Through DriveNow In Germany View 17 Photos News Source: DriveNow via BMW BlogImage Credit: DriveNow/Facebook Green BMW California parking drivenow