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AC Schnitzer has showed up at the Geneva Motor Show with not one, but two fresh-off-the-press upgrade packages for 2011.

Not wanting to look completely unfriendly to Mother Earth, AC Schnitzer has taken their expertise to the Z4 and BMW’s EfficientDynamics system, working over a 320d mill to go under the Z4′s hood. The 2011 AC Schnitzer 99d gets a 70-hp boost to 190, hits 60 in 6.9 seconds, releases a scant 99g of C02 per mile and returns a handsome 63 mpg in the European cycle. That, according to Schnitzer, is better than any BMW on the market. Unfortunately, the 99d is just a concept, and won’t be available to the public any time soon.

For the family minded executives attending the show, AC Schnitzer started with the 2011 BMW 550i, bumping the car from 407 to 540 horsepower. According to Schnitzer, the result is a 4.5-second 0-60 sprint and a whopping 198 mph top end. The engine exhales through a new set of the tuner’s own mufflers capped with chrome surrounds. The resulting executive express has been dubbed the ACS5 Sport S.

Hauling all that energy to a stop is a revised set of brakes sporting eight-piston calipers. Outside, Schnitzer went all-out to ensure that the car would be stable at its newfound velocity. The laundry list of exterior mods includes a front spoiler, carbon ducts for the brakes, new engine bay vents and, of course, your choice of 20 or 21-inch AC Schnitzer custom wheels.

Check out the official videos and press releases after the jump.

Photos copyright (C)2011 Drew Phillips / AOL

[Source: AC Schnitzer]

Continue reading Geneva 2011: AC Schnitzer comes strong with sporty diesel BMW Z4, tuned 550i [w/videos]

Geneva 2011: AC Schnitzer comes strong with sporty diesel BMW Z4, tuned 550i [w/videos] originally appeared on Autoblog on Thu, 03 Mar 2011 14:01:00 EST. Please see our terms for use of feeds.

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Nissan has just announced it’s bringing a new sports car concept called the Esflow to the Geneva Motor Show next month. The released images show a vehicle with classic sporty proportions, but we’re advised its potential for shrieking rubber has been tempered by the environmental credentials that electric propulsion can bring.

The Esflow uses tech developed for the mass-market Leaf EV hatchback, but uses a separate motor to turn each rear wheel and should hit 60 miles per hour from a standstill in under five seconds. The laminated lithium batteries are mounted low to help out the center of gravity and are said to be good for 150 miles (240 km) per charge. Any weight penalty of the energy storage system is offset by an rollbar-integrated aluminum chassis swathed in a composite shell.

While we doubt this particular concept will find a home in dealerships or driveways, it’s nice to see Nissan isn’t just concentrating their electric efforts on its more pedestrian platforms, and it could point the way to a sportier EV future for the brand. Hit the jump for a little video of the concept cruising the rendered road in animated action.

[Source: Nissan]

Continue reading Nissan Esflow concept is a sporty RWD Leaf [w/video]

Nissan Esflow concept is a sporty RWD Leaf [w/video] originally appeared on Autoblog on Wed, 09 Feb 2011 11:44:00 EST. Please see our terms for use of feeds.

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