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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 ready to bring more i3, i8 plug-ins to US

BMW has found a receptive audience for its first batches of plug-in vehicles in the good 'ole USA. The German automaker, which started selling its first mass-produced i plug-ins in Europe late last year, will send a higher percentage of those vehicles to the US because of strong demand here, according to Automotive News, which talked with BMW executive Ian Robertson. And the Americans might cause Bimmer to speed up production, to boot. BMW makes the i3 electric vehicle and i8 plug-in hybrid in Germany, and has sold about 10,000 units of the former and 280 of the latter worldwide. Since August, BMW has been selling about 1,000 i3s a month in the US (it sold just 58 i8s in September). The bigger story, though, may be that Bimmer has sold out of its US allocation of i8s through the end of next year. Pretty heady stuff for a car that starts at around $137,000. Currently, BMW builds around 100 i-series vehicles a day in Germany, and may speed up production of the i8 for the aforementioned reason. As for the i3, which comes with an option of a gas-powered range extender, we'd reported earlier this year that the waitlist for that model had grown to about six months. Our i3 First Drive report is here if you'd like to know what all the fuss is about.

2011 BMW 1 Series M Coupe now more expensive than when new

At the end of the day, your friendly Autoblog editors are car guys, just like you. So, while we might have more of an opportunity to test some of the most interesting vehicles on the new car scene than does your average gear head, we can still be found whiling away those long afternoon hours looking at used cars and thinking about what could be.
Just the other day, we had a vivid reminder about one of our dream cars from the very recent past, the 2011 BMW 1 Series M Coupe. If you didn't catch it, Michael Harley had a great time testing and reviewing the new Dinan S3-R version of the car, which throws an impressively engineered turbo and suspension tune on a BMW that was damn near perfect out of the box.
In the Comments section of that review, a few savvy Autoblog readers pointed out that our estimated price for a used donor car, set at $50,000, was low. Odd, we thought, as the car retailed for less than $50k ($46,135) when it was new in 2011. So we started checking around.