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BMW M3 and M4 will rock 430 hp from twin-turbo six with standard manual [w/video]

We're not sure which spec we're most intrigued by for the new BMW M3 and M4: the twin-turbo six-cylinder with 430 horsepower and "far beyond" 369 pound-feet of torque, the 3,300-pound curb weight or the standard six-speed manual transmission with automatic throttle blipping on downshifts. That engine is fitted with both Valvetronic and Double-Vanos, twin-wire arc-spray coating in the cylinders instead of liners to save weight, a track-ready cooling system with additional radiators, a forged crankshaft, dry-sump lubrication and a magnesium oil sump. BMW says its "high revving concept" has a redline beyond 7,500 rpm.
In the M4, it will be pulling a coupe with "a weight of just under 1,500 kilograms," which is 3,300 pounds to you and me. That number is said to include no driver and 90 percent fuel, but we're still waiting on the exact number and specs. BMW says it's "around 80 kilograms lighter than a comparably equipped predecessor model," putting the power-to-weight ratio at something like 7.68 pounds per horsepower at the same time as it helps reduce fuel consumption by 25 percent. The use of carbon fiber reinforced plastics (CFRP) for the roof, drive shaft (with no center bearing), trunk and front strut brace, and forged aluminum for suspension components, have aided in the weight loss. This time around, the sedan - the M3 - will also get a CFRP roof.
The default option will be a six-speed manual.

The List: Best of proving grounds

Proving grounds are where automakers and enthusiasts alike go to push their vehicles to their mechanical limits. The Rubicon Trail, located in the Sierra Nevada, is the ultimate off-road test, while Germany's Nurburgring is a grueling 13 mile road and track course. Jessi and Patrick visit both iconic proving grounds in this "best of" compilation of The List. If you like what you see, stay tuned to watch the full episodes, or click here to go directly to our episode archive and pick out some of your own favorite moments of The List to revisit. The List #0004: Conquer the Rubicon Trail The List #0073: Drive the Nurburgring Have an RSS feed? Click here to add The List. Click here to subscribe to The List in iTunes. Click here to learn more about our hosts, Jessi and Patrick. BMW Jeep Off-Road Vehicles Racing Vehicles The List Videos Original Video

BMW i Collection puts upscale treehugging in the palm of your hand

If BMW's new i sub-brand sounds more like it belongs to consumer electronics than it does to automobiles, that's probably no mistake. After all, electric vehicles bridge the gap between conventional automobile and electronic gadget - just ask our compatriots over at Engadget that report on them all the time. But to drive the point home even greener, BMW has, together with the new i3, launched a new collection of electronics accessories that make the Bavarian automaker as much a competitor with companies like Belkin or Griffin as it is with Audi or Mercedes-Benz.
The new BMW i Collection includes items like a solar charger for phones and MP3 players, a laptop bag made from felt-like recycled PET plastic and vegetable-tanned leather, and of course the requisite USB dongle. Other items include keyfobs, a shopping bag, notebook and ballpoint pen.
All the items, of course, are designed to extend the i3's upscale tree-hugging image to items you can hold and use while your EV is charging in the driveway. They go on sale starting next month with prices ranging from 15 euros ($20) for the pen or lanyard to 99 euros ($135) for the shopping bag. Details in the press release below and images of the whole collection in the gallery above.