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Vision ED Concept to give way to BMW M8 hybrid sports car - rumors

German website and newspaper Auto Zeitung is speculating on a potential new plug-in hybrid supercar based on last year's BMW Vision EfficientDynamics Concept.  The car, which the periodical calls the "M8", would combine a mid-mounted internal combustion engine with an electric drive resulting in over 600 horsepower (447 kW).

Instead of the concept's diesel engine, the plug-in hybrid could use the petrol 5.0-liter 507-hp (378-kW) engine available on the M5 E60.  Producing up to 520 Nm, the engine would be paired with an 80-hp (60-kW) electric motor at the front axle, and a 50-hp (37-kW) motor on the rear axle.  The front motor is capable of a short burst raising performance up to 115 hp (86 kW).  With the lithium-ion battery, the car would be capable of a 50-km all-electric range.  The battery would need 2.5 hours of recharge time when plugged into the wall.

If produced, the speculation is that the M8 would sprint from 0 to 100 km/h in under 3.8 seconds, on its way to a top speed well over 300 km/h (186 mph).  The electric motors, aerodynamics, and innovative weight savings would allow a combined fuel economy of 62 to 67 mpg, or 3.5 to 3.8 liters of fuel per 100 km.

Weight would be kept to 1,500 kg on the 2+2 car thanks to an aluminum chassis, carbon-fiber panels, polycarbonate windows and four individual Kevlar seats.  The resultant vehicle would be 120-kilograms slimmer than the Mercedes-Benz SLS.  This despite the M8's large size of 4.6 x 1.9 x 1.24-meters.

Believed to already be rendered by designers, the car could hit the market by the fall of 2013 if the BMW board were to give it the greenlight later this year.  The car would be built by the BMW-owned performance division, M GmbH.  A cost of €150,000 is speculated.

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Comments (7)

powertech
So this would be BMW's answer to MB SLS then? This would be exciting if BMW give green light to this car, given the performance figures yet with impressive efficiency.
Jun 30, 2010 2:47 am
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Fourie_00
ok ok ok, not that i am one of little faith.. but a 5.0ltr 378kw car weighing 1500kgs and 2 mild electric motors to give a combined fuel economy of 3.8ltrs/100km. i would be utterly amazed if it were under 5.0 COMBINED
Jun 29, 2010 8:47 pm
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rnsaza
This does not add up. BMW have replaced the only 5.0L engine the E60 had, the S85, with the new V8 4.4L, S63/N63, twin turbo direct injection engines for economy and emissions reasons. Why would they go back and use an inferior motor for a car that should be highlighting the companies EfficientDynamics philosophy?
Jun 29, 2010 5:44 pm
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benz_man
The S85 is far from "inferior". The 5 series cars are BMWs big sellers. BMW can make a dramatic impact in CAFE scores by selling "cleaner" engines in their heavy selling vehicle classes, thus, shortening the S85s expected production life. BMW can recoup some of their R&D costs by using this engine (which is very efficient...for a 5.0L V10) in a lower volume "halo" car instead of the high volume 5 series cars.
Jun 29, 2010 10:49 pm
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rnsaza
"inferior" only to the newer S63/N63 in BMW's own range of engine options. Fwiw I love the S85 but it was designed with different goals in mind.
Jun 30, 2010 3:31 am
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benz_man
You've contradicted yourself, but its superfluous anyway...(tomato/tomato, right?). As technically sophisticated as the S85 is, I'm not a big fan of it. They're EXTREMELY picky beasts (try changing the f****** oil!), and my personal preference is for whiplash inducing low-end tq, though there is ABSOLUTELY nothing wrong with high-end power. Segue back to the article... I believe the electric motor/S85 combo in the M8 would be spectacular for that reason alone...
Jun 30, 2010 3:27 pm
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jerry05cod4
this would be brilliant! I hope its more than just a rumor.
Jun 29, 2010 5:22 pm
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