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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.

Not just 'our logo on a sail': Automakers gain technology from America's Cup

HAMILTON, Bermuda - From water taxis that "fly" on hydrofoils to aircraft wings and cutting-edge car steering wheels, the America's Cup has produced technology with potential far beyond its "foiling" catamarans. With their focus on carbon fiber and aerodynamics, the teams that fought for the America's Cup attracted partners including planemaker Airbus and automotive groups BMW and Land Rover, who were keen to learn from them. One area where this is likely to have an impact is in harnessing "foiling" technology, where the America's Cup boats "fly" above the water on foils, cutting water resistance. "Foiling in small electric boats will most likely appear on rivers in major cities. We are just at the beginning of the foiling adventure," Pierre Marie Belleau, head of Airbus Business Development, who managed its partnership with Larry Ellison's Oracle Team USA, told Reuters. The space-age catamarans used in the 35th America's Cup, which ended in victory for Emirates Team New Zealand this week, can sail at maximum speeds of 50 knots (57 mph) and have more in common with flying than sailing."CARBON FIBER RELATIONSHIP" For Jaguar Land Rover, which sponsored British sailor Ben Ainslie's attempt to win the cup, the relationship is a strategic one with a focus on technology and innovation. "We don't just get our logo onto a sail," Mark Cameron, JLR's Experiential Marketing Director, said by telephone, adding that the carmaker would be providing more designers to help Land Rover BAR with technology for their next campaign. "This is a dynamic sport that is developing fast. ... It's moving quickly just like the car industry is moving quickly. It's all changing," Land Rover produced a special steering wheel for Ainslie to use in the America's Cup, with in-built gear shift paddles that allowed him to adjust the catamaran's "flight" levels. The relationship is similar between BMW and Oracle Team USA, with the German automaker focused on areas including the electronics in the wheel used by skipper Jimmy Spithill, the development of carbon fiber used to make the boat and its components, and the aerodynamic testing. "We like to think of ourselves more as a partner than a sponsor. We have a very strong carbon fiber relationship," Ian Robertson, who is the BMW management board member responsible for sales and brand, told Reuters between races. "This is a dynamic sport that is developing fast. ... It's moving quickly just like the car industry is moving quickly.

2015 BMW i8 [w/video]

The most important thing to keep in mind while driving BMW's all-new i8 is that it's not a product of the company's vaunted M division.
Sleek sports-coupe design, carbon-fiber construction and blistering acceleration may cause automotive enthusiasts to drool, but the i8 has not been conceptualized, engineered or assembled to be another one of BMW's world-class track stars. Instead, the i8 has been hatched as a progressive sports car from the Bavarian outfit's new i division, which "represents visionary electric vehicles and mobility services, inspiring design and a new understanding of premium that is strongly defined by sustainability." Think of it as thrilling, but with an engaging environmental twist.
It's nearly impossible to walk up to the i8 with stopping twenty feet short and taking in its styling. There's no other production car as visually fascinating - this BMW is showroom-ready sculpture that captures all of the essence of the Vision Efficient Dynamics Concept that wowed crowds at the 2009 Frankfurt Motor Show. The wind sees it as a 0.26 drag coefficient, but humans will study its beautifully crafted carbon fiber and glass panels and realize they're in the presence of the future.