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Spy Shots: 2011 BMW M5

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Spy Shots: 2011 BMW M5

By Viknesh Vijayenthiran

Editor

September 1st, 2010

BMW CEO Norbert Reithofer has previously revealed that future BMW powertrains will be downsized in an effort to improve fuel-efficiency and reduce emissions, and that even the hallowed ‘M’ division could also be affected by the new wave of environmental consciousness sweeping the automaker. The standard 2011 BMW 5-Series was recently unveiled, and Motor Authority was there to test the car at Estoril, but the new M5 remains in testing as these latest shots reveal.

BMW has always stood by the high-rev philosophy for delivering power from its M engines but that may be about to change. We’ve already seen the potential of a twin-turbocharged V-8 engine in the X5 M and X6 M performance SUVs, and inside sources have revealed that the next-generation M5, due in early 2011, will be powered by a high-performance twin-turbo V-8 engine instead of a naturally aspirated V-10. That makes sense, considering the standard 2011 BMW 550i will feature a more tamely-tuned twin-turbo V-8, meaning the 2011 M5's engine bay will already be prepped to accept the beefed-up M Division version.

In the X5 M and X6 M the twin-turbocharged 4.4-liter V-8 M engine delivers 555 horsepower and 500 pound-feet of torque--enough to send the big SUVs from 0-60 mph in just 4.5 seconds. This should be more than enough output for the smaller and lighter M5 sedan and is already 30 horsepower up on the new E63 AMG.

The new V-8 will be matched to BMW’s M-DCT dual-clutch system, as found in the M3, but a conventional six-speed will almost certainly be offered for purists.

Performance will also be improved thanks to the extensive use of lightweight materials including carbon-fiber and aluminum. The car’s construction will be a hybrid of an aluminum spaceframe for the front section, and a traditional steel monocoque for the passenger compartment and rear. This will ensure a favorable front-to-rear weight distribution and improved handling. Up front will be an independent suspension with MacPherson struts, with a multi-link layout for the rear. Expect to see an unpainted carbon roof and more of the lightweight material possibly used for the boot and fender panels.

A world debut is pegged for the 2011 Geneva Motor Show, with sales expected to start shortly after.

link:

http://www.motorauthority.com/blog/1035299_spy-shots-2011-bmw-m5

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