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BMW 4 Series Gran Coupe blows the doors back on [w/video]

BMW sure seems to take pleasure in confusing the hell out of us. It used to be pretty simple: if you wanted a compact Bimmer, you had to look no further than the 3 Series. Then it was just a matter of which bodystyle you wanted. But the smaller end of BMW's lineup has gotten more complicated lately. Never mind the 1 Series and 2 Series (in their various iterations) that have slotted in below it - now the 3 Series has been split in two: Want a four-door, get the new 3 Series. Want a two-door, the 4 Series is your address. Right?
Almost. Because now there's a 4 Series Gran Coupe that keeps the two-door's roofline (or some approximation of it) but adds an extra set of doors in the back, thereby bridging the gap between the 3 Series sedan and 4 Series coupe. And it's just made its public debut here at the Geneva Motor Show.
The difference between this and the two-door 4 Series is plain to see: it's got two extra doors. But what's the difference between this and the 3 Series sedan? About two or three grand, to start with - depending on which version (428i Gran Coupe or 435i Gran Coupe) you choose. But it's also sleeker, more muscular and altogether that extra bit sexier. Which is a good trait, as you can see from our gallery of live shots above, to have in your European sports sedan, coupe, or whatever you want to call it.

BMW X4 Concept images leak ahead of Shanghai debut

Last month, BMW confirmed that its long-awaited X4 crossover would debut next year, but other than imagining a smaller X6-shaped crossover, we really had no idea what the new niche model would look like. That is until a Russian website, Autowp, leaked a handful of embargoed images this morning showing the X4 Concept that will be unveiled in a couple of weeks at the Shanghai Motor Show.
From what we can see of this concept's styling, there are more elements shared with current BMW models than not. The face of the concept is an attractive blend of the current 3 Series sedan and the X3, while the roofline has definitely plucked right from the X6. This thinly veiled concept should carry over almost untouched when it enters production with the exception of the door handles and the overly stylized fascias and side mirrors. According to CarScoops, it will measure the same length as the current X3 and use the same engine lineup as well. Stay tuned, as we'll have more information on this concept shortly.

Researchers halfway to cutting carbon fiber costs by 90%

Carbon fiber has been utilized for decades to build racecars, as a means to cut weight while maintaining strength. But until recently, the space-age material has been largely absent from the street on anything but supercars because of the expense to use it. Recently, BMW signaled a major shift in that trend when it starting using carbon fiber reinforced plastic panels on the i3 and i8. This relatively small scale start might be just the beginning; the German company believes that a breakthrough to inexpensively manufacture the lightweight stuff is just on the horizon.
MAI Carbon Cluster Management GmbH counts BMW, Audi, Airbus, the German government and many other organizations as supporters, and it's researching how to make carbon fiber cheaper to produce, according to Automotive News Europe. The company thinks it can reduce costs by 90 percent in the near future. "We've certainly reached a halfway point on our cost-cutting target for suitable carbon-fiber parts," said project head Klaus Drechsler to Automotive News Europe.
Unfortunately, it isn't entirely clear just what MAI Carbon is doing to make such a huge leap possible. However, a recent post on the company's website talks about a new form a carbon fiber using a thermoplastic matrix that could be cured in less than three minutes. That's compared to about 90 minutes in the traditional process with an autoclave.