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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 M boss denies supercar collaboration with McLaren

The first time there was a McLaren Honda Formula 1 team, McLaren did some moonlighting with BMW on a supercar for all time, the F1. It just so happens that McLaren Honda is a thing again, and Car magazine recently ran a piece saying McLaren and BMW would get back together on another hopped-up coupe with roughly the same working agreement as before: BMW supplies a screaming V8, McLaren builds the body to go around it. Only this time the car would be a BMW model, not a McLaren, and be BMW's version of the next-generation McLaren 650S. The Car piece said that BMW head of R&D Klaus Frolich first got in touch with McLaren nine months ago, however, the head of BMW's M division, Frank van Meel, said he doesn't know anything about it. Mentioning every BMW exec referred to in the story, van Meel told Australia's Motoring, "I haven't had a phone call, [CEO] Harald Kruger hasn't had a phone call, and Klaus Frohlich hasn't had a phone call." The Car story said the reason BMW hasn't done a conventionally powered exotic recently is that former CEO Norbert Reithofer didn't want anything to eclipse the i8, the i brand, and the eco credentials the brand is charged with promoting. Changes in the executive suite – new CEO, new M boss, new R&D chief – were thought to meant changes in approach. Not according to van Meel, who gave those same i brand reasons to Motoring as then reasons BMW has no interest in a 750-horsepower, quad-turbo coupe. On top of that, after spending billions to move the game forward with in-house carbon fiber technology, van Meel asked, "I don't understand why we would need to work with McLaren for a supercar anyway. All of the technologies the story suggested are technologies that are core competences here at BMW and at M. Nobody in the world is more advanced with carbon-fibre than we are." The extent of the denial is so detailed that we're inclined to believe BMW on this one; cover stories usually stop at curt phrases like "We have no knowledge of that" or "We don't comment on future product." So you can put away your dreams of a McLaren F1 Part Two. For now. Related Video:

BMW Recalls 1.6 Million 3 Series Cars For Air Bag Problem

DETROIT (AP) - BMW is expanding a recall of its most popular models to fix an air bag problem that is hitting much of the global auto industry. The German automaker says it will recall 1.6 million 3 Series cars from model years 2000 to 2006 across the world, including 574,000 in the U.S. The company said Wednesday that it's a precaution because other automakers using similar systems have reported problems. Air bag inflators in systems made by Takata Corp. can rupture. If that happens, the bags might not work properly, and shards could fly out and cause injury or death. The problem is responsible for millions of recalled vehicles during the past few years made by manufacturers such as Chrysler, Ford, Honda, Mazda, Nissan and Toyota. Here's a look at the long history associated with this problem, that affects millions of cars. BMW said it has no reports of problems in its vehicles. Dealers will replace the passenger-side front air bags. The new recall excludes 42,000 BMWs recalled in May 2013 for the same problem. The company says it is recalling all vehicles equipped with potentially faulty air bag systems regardless of where they were sold. In June, the U.S. National Highway Traffic Safety Administration began investigating air bags made by Takata, a Tokyo-based supplier of seat belts, air bags, steering wheels and other auto parts. The agency said it received six reports of air bags rupturing in Florida and Puerto Rico. Three people were injured in those cases. It had estimated 1.1 million vehicles in the U.S. could be affected, but the total is likely to climb. The government says it wanted to act quickly in warm states while it continues to investigate the issue. "Based on the limited data available at this time, NHTSA supports efforts by automakers to address the immediate risk in areas that have consistently hot, humid conditions over extended periods of time," the agency said in a statement. Takata said in a statement Tuesday that it is supporting the NHTSA investigation and its customers with technical analysis and replacement parts. "Our objective is to do all that is possible to ensure the safety and well-being of the public," the statement said. Related Gallery AOL Autos Test Drive: 2014 BMW 428i