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Vorsteiner BMW M4 GTRS4 shows how to do a widebody at SEMA

Part of the joy of the SEMA Show is that all of the best tuners in the world are competing to show off their wares, and the challenge often pushes the companies into some absolutely insane directions. Case in point: Vorsteiner and its ludicrous GTRS4 wide body kit with the BMW M4.
According to Auto Evolution, the kit reportedly adds 4 inches in the front to fit 10.5-inch-wide wheels and a massive 7-inches more in the rear to snug in 13.5-inch-wide wheels, but spinning around the BMW in these images makes the changes look even more extreme. Beyond just the extra room in the fenders, the lower air intakes are ready to suck in huge volumes of cool air, and there's a front splitter to keep things planted. The front and rear extensions are joined by side sills that grow the farther back they go. Finally, at the rear, the M4 gets a reworked diffuser with mesh inserts.
This is just the type of automotive craziness that makes SEMA interesting. Take a lot at it for yourself in the gallery.

BMW says SUVs killed the sports car market

In many ways, we're living in a golden age of automotive performance. After all, it's possible to show up at a Dodge dealer, hand over about $60,000 and storm away with a 707-horsepower Challenger Hellcat. Or for those who prefer a touch more luxury, the BMW M4, Mercedes-AMG C63 and latest Cadillac ATS-V offer between 425 and 503 horsepower, depending on your pick, with a bit more poshness. However, none of these powerful vehicles fit the classic definition of a two-place, droptop sports car, and according BMW head of sales Ian Robertson, that's because the segment is very much in the doldrums.
According to Robertson, two factors seriously wounded the classic sports car market. First, the global economic crisis of a few years ago put a serious hurt on sales, according to Bloomberg. Further worsening the situation, the boom in popularity of luxury SUVs and crossovers in the past few years hasn't allowed for much recovery. Even car-hungry China hasn't helped much because of the smog in many cities and preference among some of the very rich there to be chauffeured.
Combined, Audi TT, BMW Z4 and Mercedes-Benz SLK sales peaked around 114,000 units a year in 2007, but they are only expected to reach 72,000 annually by the end of the decade. Robertson is pretty pessimistic about the market's comeback too. "Post-2008, it just collapsed. I'm not so sure it'll ever fully recover," he said to Bloomberg.

BMW i3 takes to the track, circles it in a way you don't expect

So, who wants to see a BMW i3 race around a track. That's what we thought. It's not a long video, but it is entertaining, and the way the urban EV does a 'loop' at second 25 certainly caught out eye. The i3 is scheduled to go on sale in the US later this year and will start at $41,350. The diminutive electric vehicle has a top speed of 93 miles per hour and can hit 62 mph in 7.2 seconds. We found it a hoot to drive, but we're not sure if hardcore BMW performance fans will totally 'get' this car's performance. The i3 is great at what it does, but it wasn't born to hit the race track. After seeing this video, though, we want a crack at it, skinny wheels and all. You can get a behind-the-scenes glimpse here, where Chris Neff writes, "The i3 basically turns in on itself. This is one sharp turning radius, take a look at 24 seconds into the video. We were actually trying to get the i3 to do doughnuts, but the computer would not let the rear brake loose, still, you can see how it held and how sharp we were turning....about 27 times in a row." Watch all 49 seconds below. And wonder with us if whatever aerial device was used to get the shot that ends at four seconds in was destroyed just after the video cuts away.