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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.

X4 launch to spearhead BMW crossover onslaught at NY Auto Show

It's no secret that crossovers are one of the key vehicle types driving today's auto industry profits, and nowhere is that more true than among the world's luxury brands. BMW became one of the first players in the luxury CUV segment when it launched its original X5 in 1999, and buoyed by that model's runaway success, it followed up with the X3 in 2003, the X6 in 2008 and the X1 in 2009 (though the latter didn't make it to the US until late 2012). It's replaced the X5 twice since then and the X3 once, but the Bavarian automaker isn't about to let matters rest there.
First off, a production version of a new X4 model is expected at the New York Auto Show in April. The model was previously rumored to be earmarked for reveal a month earlier, but a new report from Autocar suggests that the previously mooted reveal date and location were inaccurate. The X4 is expected to apply the same controversial slant-back formula to the X3 that transformed the X5 into the X6, which will in turn lead to an update for the X3 as well.
But that's not all. Autocar also reports that before 2014 is out, BMW will unveil a revised X6 at the Moscow Motor Show in August, which will in turn be followed by upgraded versions of both the X6 M and X5 M. These high-performance crossovers are tipped to pack the same 4.4-liter twin-turbo V8 as the outgoing versions, albeit with higher outputs than the current models' 555 horsepower and 500 pound-feet of torque. All this, and they're still expected to simultaneously improve fuel consumption and emissions figures.

BMW M4 vs. Lexus RC F in Head 2 Head sports coupe showdown

It's the showdown everyone's been looking forward to, the East versus West grudge match of the year. We're talking, of course, about the BMW M4 versus the Lexus RC F.
Although BMW uses a twin-turbo straight-six and the Lexus uses a free-breathing V8, the two are pretty closely matched on paper: a luxury coupe with over 400 horsepower channeled to the rear wheels.
The BMW has been doing these cars for longer, and the M4 boasts a higher power-to-weight ratio. But then the RC F has more power - and without forced induction to break up the rev range. So which is the better luxury muscle coupe? Watch the latest episode of Motor Trend Head 2 Head to find out.