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Check out the trick way you access the tire valve on this BMW Alpina B6

The wheels are one of the first things you notice when checking out the 2015 BMW Alpina B6 xDrive Gran Coupe. The 20-inch aluminum alloy rollers have 21 spokes that spray out from their hubs, creating one of Alpina's signature design features. But there's also plenty of function to go along with the stylistic form of this hotted-up BMW 6 Series Gran Coupe.
By rotating the Alpina roundel and unlocking the center hub, you gain access to the tire valve and bolts, which are hidden inside. They're literally kept under lock and key, and they protect your Alpina's wheels from the elements and theft. This unique center-fill system employing a hollow spoke isn't a new setup for the favored BMW tuner, but since Autoblog had one in our offices this week, we thought we'd take the opportunity to show the unique mechanism in case you haven't seen it before. Check it out in our brief video below.

Next BMW 5 Series hits the 'Ring

Here are our latest photos showing the new BMW 5 Series, codenamed G30, testing at the Nurburgring. Based on the fairy door on the left front fender, we'll take this as the purported PHEV version that we caught last time around on German city streets. According to the insiders at BMW Blog, the 5er hybrid will take heavy inspiration from the X5 xDrive40e, including the 2.0-liter four-cylinder engine with electric assistance and a combined power rating of about 300 horsepower. The lighter CLAR architecture making its way under the 3, 5, 6, and 7 Series models is expected to remove anywhere from 80 to 100 kilograms in the 5, enabling non-US markets to partake of the 150-hp, turbodiesel three-cylinder engine at the entry-level end. However, the engine symphony will run up the scale through four-, six-, and eight-cylinder registers that include a 400-hp M550 diesel and a 600-hp V8 in the M5. The tech story is 'Go Go Gadget G30,' with rumors of autonomous abilities like being able to overtake other cars on its own – and signaling beforehand – and parking itself. Inductive charging through a floor-mounted plate, as shown at this year's Consumer Electronics Show, a new iDrive layout with a touchscreen and gesture-enabled functions, and over-the-air updates are also expected. We could see it revealed at next year's Geneva Motor Show, or maybe the 2016 Auto China, in Beijing, or sooner.

Xcar rates AWD vs. FWD vs. RWD

With snow and ice blanketing large swathes of the United States over the past few weeks, commuting hasn't been easy. Among some drivers, there's an ongoing debate about how much all-wheel drive really helps when it gets slippery and whether rear-drive is as bad in slick conditions as many people think. Xcar Films puts some of those beliefs to the test in its latest video by showing off three very different cars taking on a trio of low-grip challenges. Xcar's picks for the test include the fairly plebeian, all-wheel drive Subaru Impreza, the somewhat plush, rear-drive BMW 120d and the sporty, front-drive Renault Megane RS 275 Trophy. Things start out easy with a hydraulic plate forcing the back end out on a wet skid pad. From there, the tests get really interesting with a slalom on simulated ice, and the cars finish with a high-speed cornering challenge through a soaked turn. While an obvious winner emerges in the end, keep in mind this is hardly a scientific test of grip. For better accuracy, all three vehicles should be wearing identical tires, and the same driver should be behind the wheel of each one. Still, Xcar's examination is a fun chance to see how vehicles react when things get slick. News Source: Xcar Films via YouTube BMW Subaru Renault Driving Safety Videos xcar renault megane xcar films renault megane rs