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Alpina D3 Bi-Turbo torquing its way toward Frankfurt

Few tuners benefit from the kind of factory support that Alpina does, giving the pseudo-aftermarket firm nearly as much official status as BMW's own M division. And this is its latest product.
Set to debut, as expected, at the Frankfurt Motor Show this week is the new Alpina D3 Bi-Turbo, which you can consider, for all intents and purposes, the diesel M3 that BMW never built. While the outgoing D3 (which was Alpina's best-selling model) used a four-cylinder engine, Autocar reports that the new model packs a 3.0-liter, twin-turbo inline-six diesel to drive a respectable 345 horsepower but a mammoth 516 pound-feet of torque to either the rear wheels or all four through the optional availability of xDrive. (European buyers will also be able to choose between sedan and wagon bodystyles.)
The engine is the same as you'd find in the XD3 and D5 (Alpina's diesel performance versions of the X3 and 5 Series, respectively), but in the lighter 3 Series form can propel the D3 Bi-Turbo up to 62 miles per hour in 4.6 seconds and on to an Autobahn-crunching top speed of 173 mph. And as per Alpina tradition, visual cues are minimal, with a subtly optimized aero kit and 19- or available 20-inch alloy wheels. Unfortunately, the 7 Series-based B7 is the only Alpina we get on this side of the Atlantic, but an oil-drenched performance enthusiast can dream.

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.

2013 BMW R1200GS and HP4 duel at Circuito de Almeria

The 2013 BMW HP4 is the track-ready version of the manufacturer's already mighty S1000RR, which puts the bike at the very tip top of the two-wheeled BMW food chain. The R1200GS, meanwhile, is intended to be a somewhat more utilitarian machine. Capable of conveying both rider and gear over vast distances and uncertain terrain, the big-boy GS is the Swiss army knife to the HP4's rapier. Or at least that's what we've always been led to believe. BMW recently rolled out some footage during a press launch that showed the R1200GS is actually no slouch when it comes time to sling around a road course.
The company threw both bikes on Spain's Circuito de Almeria for a little sparring match, and miraculously, the HP4 didn't just up and walk away from the R1200GS. From from it. Instead, the two stay tightly matched through most of the course before something surprising happens. We won't spoil the ending for you. Is it possible the rider on the HP4 still had some in reserve? Sure, but from the sound and look of things, neither bike was giving an inch. Check out all the video action below for yourself.