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2015 BMW M4 Convertible is here to put wind in your sails

Each generation of the BMW M3 has included a convertible model. Even the distant E30, the patriarch of the M3 line, had an ultra-rare (only 787 were built) droptop model. The convertible became more common on the successive generations, with the hardtop-convertible E93 being the most recent. Considering this history, there seemed very little doubt that as the M3 became the M4, a convertible would be in the cards. Now, the new droptop has arrived.
Set for its global debut at the 2014 New York Auto Show, the 2015 BMW M4 Convertible features, like its forbearers, everything that's great about the hardtop variant while adding an unlimited amount of head room. That means the same 3.0-liter, 425-horsepower, 406-pound-foot, twin-turbocharged straight six sits under its domed hood, while either a six-speed stick or a seven-speed M dual-clutch transmission dispatches power to the fat rear tires.
As for specific differences between the hardtop and the new convertible, obviously, the droptop is heavier. A lot heavier. Where an M4 with a six-speed manual tips the scales at 3,530 pounds, the M4 Convertible weighs in at 4,055 pounds. Believe it or not, BMW has actually trimmed 90 pounds from the last-generation M3 convertible, code-named E93. This marginal weight reduction from the third-generation convertible to the fourth is barely half of the 174 pounds BMW was able to subtract when transitioning from M3 Coupe to M4 Coupe.

BMW X4 hatches its fastback shape in Shanghai

The day has finally come for BMW to pull the covers off its X4 Concept at the Shanghai Motor Show. The machine brings few surprises - we've already seen an official image gallery from the German automaker, so its exterior shape was well known - but at least now we get to see it with our own eyes, and with the lenses of our very own cameras.
You can clearly see the fastback roofline in our high-res image gallery above, along with the jacked-up stance that allows BMW to call this machine a Sports Activity Vehicle, which basically means "Crossover" to our friends in Munich. We've seen similar vehicle shapes before, most notably in the form of the BMW X6, but also as far back as the 1980s from the likes of AMC.
We fully expect the transition from concept to production to be pretty seamless, so what we see here is, for the most part, what we'll see on the showroom floor in 2014. Feel free to peruse the press release below, but first, be sure to browse through our live images from Shanghai and let us know what you think.

Weekly Recap: The divergent paths of Tesla and Fisker

There's no doubt that Tesla is downshifting while Fisker has been grinding its gears. But it wasn't always that way.
In the wake of Tesla's recent success, it's easy to forget that there were once two California electric carmakers with bright futures.