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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 says 80 percent of i3 plug-in EV buyers come from other brands

BMW is feeling continued good vibes from its recently launched i sub-brand of plug-in vehicles. The German automaker, which started selling its i3 battery-electric vehicle in Europe late last year, is finding better-than-expected demand for both the i3 and the i8 plug-in hybrid, Automotive News Europe says, citing an interview with BMW executive Ian Robertson. The i3 is attracting a lot of new blood, too. Robertson said about 80 percent of new i3 owners were not previously Ultimate Driving Machine loyalists, indicating the curiosity factor for the company's new plug-in models runs high, Robertson says. BMW has sold more than 3,000 i3 vehicles since debuting the model in Europe last November. In April, the company boosted daily production of the i3 from its German factory to about 100 units from 70. Read more from Robertson here. Europe's largest markets for the i3 are the UK, Germany and Norway. In the US, BMW sold 336 i3 vehicles in May, its first month of sales here. The i3 was recently rated to go 81 miles on a single charge when it has an electric engine only. When equipped with gas-powered range-extender, the car can go 72 miles on a single charge and another 78 on gas. Check here for our First Drive impressions of the i3.

Berlin demanding costly German recall of 12 million diesel cars

BERLIN - Germany's Transport Ministry is in talks with car manufacturers about updating the engine management software of up to 12 million diesel vehicles, people familiar with the talks told Reuters on Monday. The cost of updating cars could amount to as much as 1.5 billion to 2.5 billion euros ($1.7 billion to $2.8 billion), and the ministry is demanding that vehicles with engines conforming to the euro-4, euro-5 and euro-6 standards be part of the recall, government sources said. The German government has demanded that the auto industry shoulder the costs of the update and is pushing for a solution to be presented before German elections on Sept. 24. The ministry is in talks with German auto industry associations VDA and VDIK as well as representatives from local governments to try and cut nitrogen oxide pollution by about 25 percent, the sources said. The talks come amid growing opposition to diesel in the wake of an emissions cheating scandal at Volkswagen. Several European cities including Stuttgart and Munich have considered banning some diesel vehicles because of emissions of nitrogen oxides, which are blamed for causing respiratory disease. ($1 = 0.8942 euros) Reporting by Markus WacketRelated Video: Government/Legal Green Audi BMW Mercedes-Benz Porsche Volkswagen Emissions Diesel Vehicles dieselgate