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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.

Couple arrested after carjacked Jaguar breaks down

A couple that played musical chairs with allegedly stolen luxury cars was arrested in suburban Salt Lake City following a carjacking and police pursuit after one of the cars drove over a “stop strip” tire deflater and the other was a Jaguar suffering from mechanical problems. Police arrested Brock Hansen, 33, and Brittney Price, 23, on Sunday in Taylorsville, Utah, following the incidents, which were reported by local media and spotted by Jalopnik. They began, police say, when an officer out on patrol spotted what he suspected was a stolen BMW. The officer began to trail the car to run the license plate numbers when the BMW came to a stop to pick up a man, later identified as Hansen, who was walking on the street. The officer then continued to follow the car, was able to confirm that the BMW was, in fact, stolen, and called for backup. Police at one point used a stop stick — a triangular tube filled with tire-puncturing nails — to try and stop the duo, but Price instead made a U-turn after driving over it and continued on with a deflated tire. She eventually pulled into a gas station, where surveillance footage shows Hansen exiting the vehicle, walking over to what appears to be a Jaguar X-Type sedan whose driver was standing at the pump, climbing nonchalantly into the drivers seat and taking off, following the stolen BMW. Price eventually stopped and exited the BMW to try and get into the Jaguar but was apprehended by police after a brief foot chase and scuffle that left an officer injured, KSL-TV reported. Hansen then took off and led police on a chase — “at relatively low speeds,” according to ABC4.com — before he stopped the car and surrendered to police without a fight. Both were taken to jail. “What we learned from the owner of that Jaguar is that heÂ’s been having some issues with that Jaguar and he believes that the Jaguar just wasnÂ’t going to go anymore and was bogging down Â… so may have picked the wrong vehicle to try and run from the police in today,” Unified Police Department of Greater Salt Lake Sgt. Melody Gray told ABC4.

BMW M3 and M4 leak ahead of Detroit debut

Images of the overhauled BMW M3 sedan and M4 coupe have leaked ahead of a debut at next month's Detroit Auto Show, along with option sheets and some specs.
Both wear the standard hallmarks of BMW's M division. There's a subtle power dome in the hood, along with the requisite M3/4-branded strakes on the front fenders. The front and rear fascia are more aggressive than what we've seen in the 3/4 Series M Sport package, as well. Split-five-spoke wheels mean the neither car will stand out in the family portrait and those gold calipers, meanwhile, signify what has been rumored for some time - the M3 and M4 will be getting carbon-ceramic brakes.
The cabin is home to the standard suite of M accoutrements, including a new steering wheel and more heavily bolstered seats. Special trim, including carbon fiber, will be available to further set these cars apart from the standard models.