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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.

BMW won't build M4 Gran Coupe

Over the last few years, it feels like BMW has looked at its lineup and decided to offer a vehicle in every possible segment that it can find, no matter how small. The company is finally showing some restraint, though, at least when it comes to the high performance M division. For example, don't expect to see an M4 Gran Coupe at your local BMW dealer in the future.
M GmbH sales chief Jörg Bartels told Cars Guide in Australia, "It was definitely considered, but there is no plan to build an M4 Gran Coupe." The sport sedan just wouldn't make financial sense, he said. BMW already builds the M3 and M4 at separate factories, adding a third for such a niche model would be too much. Plus, the M3 already fills out the segment.
If you wanted an M model with a bit more storage space in the back, Bartels dashed those dreams, as well. He said that there isn't an M3 Gran Turismo hatchback in the pipeline, either.

2015 BMW i8 [w/video]

The most important thing to keep in mind while driving BMW's all-new i8 is that it's not a product of the company's vaunted M division.
Sleek sports-coupe design, carbon-fiber construction and blistering acceleration may cause automotive enthusiasts to drool, but the i8 has not been conceptualized, engineered or assembled to be another one of BMW's world-class track stars. Instead, the i8 has been hatched as a progressive sports car from the Bavarian outfit's new i division, which "represents visionary electric vehicles and mobility services, inspiring design and a new understanding of premium that is strongly defined by sustainability." Think of it as thrilling, but with an engaging environmental twist.
It's nearly impossible to walk up to the i8 with stopping twenty feet short and taking in its styling. There's no other production car as visually fascinating - this BMW is showroom-ready sculpture that captures all of the essence of the Vision Efficient Dynamics Concept that wowed crowds at the 2009 Frankfurt Motor Show. The wind sees it as a 0.26 drag coefficient, but humans will study its beautifully crafted carbon fiber and glass panels and realize they're in the presence of the future.