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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.)

BMW 4 Series Gran Coupe caught again

It's been a while since we've seen the upcoming BMW 4 Series Gran Coupe out testing, but we're sort of inclined to ask "Why?" yet again. After all, the 4 Series is what the new 3 Series-based coupes and convertibles will be called, so the idea of another four-door version just sort of seems redundant. In other words, just how different will a 4 Series Gran Coupe be from a 3 Series sedan, aside from perhaps a more rakish roofline or a four-passenger seating configuration? Probably not much, but BMW clearly thinks it can use the additional bodystyle to rake in some extra profits.
Anyway, back to these spy shots. No more of the 4GC's skin has been revealed since the last time we saw it, but we fully expect it to share a lot of its design DNA with the 3 Series sedan, not to mention the attractive 4 Series coupe concept that bowed at this year's Detroit Auto Show.
Powertrain options should carry over direct from the 3 Series line, so we expect to see 428i and 435i models on hand, packing turbocharged four- and six-cylinder engines, respectively. We're sure that BMW's xDrive all-wheel drive will be available, and who knows, we could even get a 428d version with the new 2.0-liter turbodiesel four that debuted in the 328d at the New York Auto Show last week, or even an M4 variant.

YouTube viewers prefer BMW

BMW owners sometimes get a bad rap as being snobbish, rude drivers, but according to a new study by the online marketing company ZEFR, Bimmer aficionados also have a close relationship with the brand's vehicles. With well over 4 billion YouTube views, the German automaker is the industry's king of the road online. Making the popularity even sweeter for marketers, 95 percent of those clicks are for fan videos, which represents loads of free advertising. BMW isn't the only automaker with such an extensive following. Honda comes in a close second with around 4 billion views, and Mercedes-Benz is just a little behind it. Among all brands, it's the norm for fan-made videos rather than the official ones to get the lion's share of the clicks, generally 95 percent or more. "YouTube has become a treasure trove for connecting with the right people for automakers," Dave Rosner, ZEFR marketing boss, said to Automotive News. Beyond just a popularity contest among brands, automotive videos are big business on YouTube, according to ZEFR's research. Enthusiasts are leading the way, too. Racing is by far the most-watched category with 895,000 clips generating a staggering 8.2 billion views. Classic cars are also a very hot topic with 305,000 videos getting 1.6 billion clicks. Surprisingly, when it comes to watching auto videos, sedans are most popular on YouTube with over 9 billion views, according to Automotive News. Meanwhile, SUVs, performance vehicles, and pickups were each around 3 billion or less. You can check out the full study for yourself, as a PDF, here. Related Video: