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BMW is the US auto industry's leading exporter

Which automaker do you think ships the most cars out of North America, one of the Detroit Three or perhaps one of the Japanese automakers? Nope. It turns out the BMW's Spartanburg, SC, factory is the biggest automotive exporter from the continent in the United States. According to a recent profile by Bloomberg looking at the plant's 20th anniversary, Bimmer's southern ops sends out more vehicles than all of Michigan combined.
When the Spartanburg factory opened up in 1994, its success was hardly assured, largely because of South Carolina's relatively small economy at the time. However, BMW picked the site because of its proximity to East Coast shipping that made it easier to move engines and transmission in from Germany and export vehicles back to Europe, according to Bloomberg. The Bavarians clearly made the right choice.
Today, the plant has developed into an absolute powerhouse. The factory currently assembles the X3, X4, X5 and X6 and exports about 70 percent of the vehicles built there. Things are only getting better. BMW is investing $1 billion through 2016 to boost annual production from the current 300,000 units up to 450,000 and to build a new flagship crossover called X7. The expansion also adds a further 800 jobs there to take total employment up to about 8,800. Including the latest financing, BMW has put over $7.3 billion into the factory since it opened, notes Bloomberg.

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-Toyota partnership to spawn hybrid supercar

BMW and Toyota inked a partnership some time ago to develop green technology, and while we were excited by the idea of a reborn Supra with BMW's carbon fiber reinforced plastic slashing the curb weight or an ultra-efficient, hybridized 1 Series, the joint efforts have been rather limited. That's set to change, though, according to a report from Australia.
Motoring reports that the partners have come to terms on a sports car. And not just any sports car, but a lightweight, hybridized model, with a six-figure price tag. Lending a bit of street cred to that idea is the site's claim that Toyota is currently carrying out durability testing on the BMW i8. According to the site, the new model will slot into the spot left by the Lexus LFA, although based on the language used, it's unclear if this is the Tokyo-bound vehicle we mentioned several months ago.
Details on this potential car are limited, although Motoring claims it will use a Toyota hybrid system mated up to a BMW gas engine - likely the 4.4-liter, twin-turbo V8 found in the M5 and M6. That sounds pretty amazing to us, but we'd still advise taking this with a grain of salt. What would you like to see out of a joint-venture supercar from Toyota and BMW? Let us know in Comments, and have your say on the prospects of a hybridized, twin-turbocharged V8.