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Watch the BMW M4 GTS lap the Nurburgring in under 7:28

When BMW unveiled the new M4 GTS back in October, it said it could lap the Nurburgring in 7 minutes and 28 seconds. That's all well and fine in terms of bragging rights, but what Bimmer enthusiasts have been waiting for is the proof. And here it is, in ultra-HD 4k glory. In the video above, you can see the new M4 GTS scything its way through the Green Hell of the Eifel mountains. Behind the wheel is M GmbH engineer and racing driver Joerg Weidinger, who helpfully narrates the video to show us exactly how he tackled each and every corner along the 14-mile circuit. Which may come in handy for those with a season pass to the Nordschleife, but the rest of us are more concerned with that lap time and how it holds up. To put it plainly, the 7:27.88 lap makes the new GTS not only the fastest in the M3/M4 line to date, but the fastest production Bimmer ever clocked around the 'Ring. It handily beats the previous M3 CSL (7:50) and the stock M4 (7:52), and even trounces more powerful Bavarian machinery like the Z8, M5, and M6. There've been a handful of BMW-powered racers, motorcycles, and prototypes (not to mention the McLaren F1) that have clocked faster times, but as far as four-wheeled, standard production Munich-mobiles go, the new M4 GTS is the new King of the Ring. It also just so happens to match or beat the best times clocked by the more exotic likes of the Ferrari 458 Italia, McLaren MP4-12C, and Porsche Carrera GT – putting the M4 GTS in rare company indeed.

BMW i creates high-design solar charging carport

With the first deliveries of the i3 under way, and the recent i8 press launch, the marketing push in the US for the BMW electric sub-brand has begun. These i vehicles are supposed to have a completely different feel from the rest of the brand's lineup. To complement their earth-friendly ethos, the Bavarian company commissioned BMW Group DesignworksUSA in California to create a solar carport concept that could keep the models sustainably topped up on power. It premiered alongside the i8 in Los Angeles at the electric sports coupe's media launch.
At first glance, the BMW i Solar Carport Concept looks like a pergola from a winery or a well-groomed garden, but like the i vehicles, the deeper you look, the more high-tech features there are. The sides feature carbon elements in a similar way that the i3 and i8 have a carbon fiber-reinforced plastic body. Bamboo forms the uprights because its quick-growing nature makes it rather sustainable, and the solar panels are strung along the top to harness energy.
Obviously the sun can't provide all of the energy that the electric cars need, and a BMW Wallbox Pro charger is also connected to the power grid as a supplement. It includes a readout telling users the amount of solar energy versus municipal electricity it's using.

This BMW i8 gains Alpina V8 power thanks to tuner

German engineering firm Gabura Racing Technologies will strip out everything that makes a BMW i8 green in an effort to create a much wilder machine. Rather than a plug-in hybrid with a turbocharged three-cylinder, the company will cram in a twin-turbo V8. The firm even intends to produce a limited run of these insane conversions for customers. Gabura hasn't actually built one of these beasts yet, but it provided several glimpses of how it would work at the 2015 Professional MotorSport World Expo in Cologne, Germany. The company stuffs the engine under the front end in what looks like a quite snug fit. In several of the photos, the top of the valve covers even appears to be above the base of the windshield. According to BBC Autos, this mill is the S63 4.4-liter turbocharged V8 from the M5 and M6. Additional tuning with some help from Alpina allegedly pushes output to around 760 horsepower – more than double the i8's stock figure. One of Gabura's own six-speed sequential gearboxes reportedly transfers the power to the wheels. Gabura recently posted on Facebook that the engineers are now ready for the first conversion. They promised to "completely rebuild it inside-out, fueled with racing technology." We're very curious to see how an i8 looks and sounds after such a significant transformation.