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Thermal imagery of BMW M4 DTM pit stop is red hot

A pit stop is a pit stop, right? The race car pulls in, the crew changes the tires, pumps in some fuel, maybe swaps out a busted body panel or squeegees the windshield, and off it goes for another heat. Only pit stops have become the focus of news lately for a number of reasons, whether it's because of mishaps (like the ones that prompted F1 to ban mid-race refueling), new time records (due largely to said ban) or interesting new ways to film the fast-paced action.
A few weeks ago we brought you footage of an IndyCar pit stop filmed from multiple angles courtesy of Google Glass. Now BMW has released a brief clip of one of its M4 DTM racers coming in for fresh rubber, all filmed by infrared camera. Its the kind of technology BMW uses to help optimize its German touring cars for competition, and now the Bavarian outfit has released some footage for fans to enjoy.
The resulting thermal imagery gives you an idea of how hot the car runs (and where the heat is emanating from), how warm they get the fresh rubber before they get it onto the car, and what kind of temperatures the pit crew is subjected to. Look closely enough in the 25-second video below and you'll even see the heat sputtering out of the exhaust pipes as the M4 downshifts into its pit box. (Just don't try adjusting your speakers, the clip is without audio.)

China's auto sales continue to drop

The days of unending growth of carmakers in China look to be over, and some analysts are even forecasting a net drop in volume this year, The Detroit News reports. After falling numbers in June and July, the China Association of Automobile Manufacturers tallied total sales, including trucks and buses, in August to 1.7 million, down 3 percent from 2014. There were some tiny specs of good news in China, but there's no turnaround in sight. Total vehicle sales from January to August are actually still up but only 2.6 percent. Like the rest of the world, SUVs are booming with numbers up 45.6 percent from the previous year. Honda managed a very impressive 50.7 percent gain on the strength of the CR-V and Vezel (the HR-V here), according to The Detroit News. Also, the country's domestic automakers, which generally offer less expensive products, posted a 2.5 percent growth in sales. The news continues to look bad for Detroit's automakers, though. Volume from General Motors dropped 4.8 percent in August, and Ford fell 3 percent in August. Both of them have invested significant amounts there in the past years. The vehicle industry in China grew last year, but there was burgeoning evidence of weakness. At the end of 2014, dealers there pushed back against huge inventories pushed by automakers. Even before the big drops began in June, GM saw the writing on the wall and started cutting prices. BMW responded to the slump by cutting back production to deal with the changing demand. News Source: The Detroit NewsImage Credit: Mark Schiefelbein / AP Photo BMW Ford GM Honda Car Buying

BMW X5 gets full battery of performance visuals

If you think BMW toned down its third-generation X5 CUV a little too much with its latest redesign, the new M Performance Parts line of optional parts may give you a chance to inject in a new sense of style.
The aesthetic parts include new carbon fiber pieces for the mirror caps, front splitter, rear diffuser and rear aero flaps. There's also a rear spoiler, high-gloss black kidney grilles, M Performance rocker panel decals and double-spoke 21-inch wheels with performance tires. The interior upgrades are similar with an available Alcantara steering wheel with carbon fiber trim, stainless steel pedals and carbon fiber gearshift trim.
Not all of the M Performance Parts are about style. The M Performance Power Kit sharpens throttle response and boosts power of the X5 xDrive35i to 320 horsepower and 332 pound-feet of torque, an improvement of 20 hp and 32 lb-ft, and an optional exhaust with chrome tips improves its sound. For buyers looking for improved stopping power, the M Performance Brake Kit adds six-piston calipers with 19-inch steel rotors.