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BMW dishes on 'lightweight' 2014 M4

BMW's M cars are not what we'd call featherweights. Sure, the big, bruising twin-turbocharged V8s deliver a lot of power, but the fact of the matter is that more weight often equates to less fun.
Which is why we're so excited over a recent sit-down the blokes at Top Gear had with BMW's product manager for small and medium cars, Matt Collins. The chat led to talk of the M3 Coupe replacing M4. Collins confirmed that, yes, the new M4 would be turbocharged. The new engine will also be a six-cylinder, which should make purists happy.
"What we'd like is more focus on lightweight engineering." -Matt Collins

Forget about greenlighting it, BMW is already testing the M2

One week ago, we reported, with some skepticism, that BMW had greenlit a car we've been waiting for since the 1 Series M Coupe was discontinued - the M2. Now, we have the first images of that new hotshot underoing testing in Germany.
What's our reasoning here? After all, this just looks like an M235i. Well, that camo is disguising swollen fenders designed to conceal wider tires. Now, these aren't production changes, and it's very likely that the eventual M2's fenders will look quite a bit different. According to our spy, the front fenders have been borrowed from the M235i Racing, while the rears are from an unknown source.
Our spies are also quick to point out a few other high-performance items on this mule. The cross-drilled brakes and blue M calipers are one such item, although we aren't sure how much they differ from the optional stoppers on the production M235i. The black wheels are borrowed from the M3 and M4, and are shod in what look like a sticky set of Michelin tires.

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.)