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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 won't build M4 Gran Coupe

Over the last few years, it feels like BMW has looked at its lineup and decided to offer a vehicle in every possible segment that it can find, no matter how small. The company is finally showing some restraint, though, at least when it comes to the high performance M division. For example, don't expect to see an M4 Gran Coupe at your local BMW dealer in the future.
M GmbH sales chief Jörg Bartels told Cars Guide in Australia, "It was definitely considered, but there is no plan to build an M4 Gran Coupe." The sport sedan just wouldn't make financial sense, he said. BMW already builds the M3 and M4 at separate factories, adding a third for such a niche model would be too much. Plus, the M3 already fills out the segment.
If you wanted an M model with a bit more storage space in the back, Bartels dashed those dreams, as well. He said that there isn't an M3 Gran Turismo hatchback in the pipeline, either.

Revised 2015 BMW 6 Series family shows its tweaked face to the world [w/video]

BMW is unwrapping refreshed versions of its luxurious 6 Series family for the 2015 model year, and the range features some styling tweaks inside and out, along with new standard tech. The biggest change for 2015 is a redesign at the front end to make the 6 look even sharper than before. Only BMW superfans might notice one of the reasons why, though. There are now nine slats in the kidney grille instead of 10 to create larger openings. In addition, all versions get standard Adaptive full-LED headlights with a slightly more angular shape. They're joined by new side mirrors with integrated indicators in thin strips of lights. Lower down, a revised front air dam boasts a tweaked design and LED foglights at each top edge. Updated side window surrounds are exclusive to the four-door model and feature the Gran Coupe name embossed into them near the rear doors. Buyers of any of the models can choose among a palette of new colors including: Jatoba metallic, Cashmere Silver metallic, Glacier Silver metallic, Mediterranean Blue metallic and Melbourne Red metallic. For 2015, the interior revisions are subtle. There's high-gloss black trim covering the center console, and LEDs are used for some lighting. Navigation, heated front seats, two-zone climate control, dynamic cruise control and heated exterior mirrors all come standard for all models, though. If the regular leather doesn't suit you, then there are now Ivory White/Black and Cognac/Black two-tone Nappa options. Mechanically, the 6 Series family carries over from last year. That gives the 640i a turbocharged 3.0-liter inline-six making 315 horsepower and the 650i a turbo 4.4-liter V8 with 445 hp. The M6 carries over its 560-hp version of the V8, too. Standard models get an eight-speed automatic with optional all-wheel drive, and the M has a seven-speed dual-clutch. If all this isn't enough for some buyers, there are also two new optional packs. The Black Accent Package adds high-gloss black parts for the grille, window surrounds and pipes, plus includes Cognac/Black leather inside with wood trim. The M Sport Edition brings an M body kit, steering wheel and 20-inch wheels, along with cabin additions like a leather dashboard, ventilated seats and soft-close doors. Read all the details about the latest crop of 6 Series models in BMW's verbose press release below, and while you're there, check out an official BMW video.