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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.

Popular Mechanics Breakthrough Awards honors GM Super Cruise, BMW i3

Our friends at Popular Mechanics have announced the winners of their 2013 Breakthrough Awards, which honor innovations and new technologies in a variety of fields, ranging from medicine to electronics to space travel. Among the winners were a pair of automakers.
The BMW i3 was named one of PM's product breakthroughs, and while the diminutive city car has a range comparable to other electrics, Popular Mechanics was impressed the i3's use of carbon-fiber-reinforced plastic, which allows the i3 to tip the scales at just 2,800 pounds. But the i3's space-age materials wouldn't have been such a smash if it were priced beyond what the general public could afford. BMW's ability to offer a vehicle with such an advanced construction for around $42,000 (nearly half the price of the Cadillac ELR and only about $7,000 more than a Chevrolet Volt or Ford Focus Electric) is wildly impressive and speaks volumes about the future of ultra-light composites in the auto industry.
The other big winner comes from General Motors, which was named an Innovator this year for its semi-autonomous Super Cruise technology that's currently being tested on a Cadillac SRX. The technology, which we've reported on before, combines adaptive cruise control and lane centering into a super system that will allow hands-free driving under certain conditions.

BMW i8 customized by AC Schnitzer [w/video]

It may not enjoy the kind of factory support that Alpina does (let alone Munich's own M division), but as far as independent BMW tuners go, few have the kind of clout that AC Schnitzer does. Heck, it even won the DTM championship for BMW in its first year back in the series. And now the legendary Bimmer tuner has turned its attention to the i8. The list of Schnitzer's enhancements for the plug-in hybrid sports car is long, but perhaps wisely shies away from messing with the intricate powertrain. Instead the customization options focus on elements like the suspension, rolling stock, aero kit, and interior. AC Schnitzer has dropped the ride height by almost an inch at the front and 0.78 inches at the rear. It's fitted a set of 21-inch forged alloys with five split spokes and low-profile rubber to trim nearly ten pounds off the vehicle's unsprung weight while increasing its contact patch for better grip (albeit likely with higher rolling resistance). There's also a comprehensive rolling kit made of carbon fiber, including front spoiler elements, side skirts, and a rear wing that to our eye looks a little out of place on the i8, though individual customers may disagree. And the interior has been upgraded with aluminum pedals and velour floor mats. Of course customers will be able to pick and choose which elements they'd want to install on their hybrid vehicles, but you can check out the fully spec'd demonstrator in the high-resolution image gallery above and in the video below. (You just may want to turn down your speakers if you're not into German techno-pop.) Revolutionary Sporting Performance and Innovative Design The i8 by AC Schnitzer emphasises the strengths of the plug-in hybrid from Munich The BMW i8 is revolutionising its vehicle class as the first sports car to have the fuel consumption and emission values of a small car. Now thanks to AC Schnitzer, this revolution is being followed by another: the AC Schnitzer special equipment for the BMW i8 emphasises even more clearly the sporting performance and innovative design of the powerful, environmentally-friendly coupe. Lowered by 25 mm at the front and 20 mm at the rear, the i8 by AC Schnitzer hugs the tarmac more closely than the standard vehicle and can therefore develop maximum efficiency and dynamics on the road.