BMW's Vision Efficient Dynamics concept launched ahead of Frankfurt
17 September 2009

BMW has revealed the future of its performance cars with a spectacularly styled concept that matches M3-rivalling performance to Mini levels of fuel economy. It was officially unveiled at the Frankfurt motor show.

The Vision Efficient Dynamics concept is a showcase for BMW’s lightweight body construction, advanced hybrid-drive technology and new packaging and aerodynamic ideas.

Many of these features are under development at BMW’s FIZ R&D base, and will be used on forthcoming BMW road cars, including a new range-topping sports car, the Z10 ED, which is due by around 2015.

The concept is roughly the size of a 3-series coupé, at 4600mm in length, 1900mm in width and 1240mm in height, but it demonstrates its supercar credentials with a considerably lower roofline.

At the heart of the Vision Efficient Dynamics is a diesel-electric hybrid system. The engine is a turbocharged 1.5-litre, three-cylinder powerplant that will be introduced in 2011 in the next 1-series. Other BMW models, including the next 3-series, will then adopt the motor.

With 163bhp and 214lb ft of torque, the engine is more powerful than the latest and most economical version of BMW’s existing 2.0-litre, four-cylinder turbodiesel. It uses the Getrag seven-speed double-clutch gearbox that was introduced on the M3, albeit with new shift programs and unique ratios.

The diesel engine is supported by a pair of electric motors mounted at the front of the gearbox. One of them supplies drive to the rear wheels, the other powers the front wheels via a single-speed reduced-ratio transmission.

The rear motor has 34bhp and 214lb ft, although it can achieve 51bhp for short bursts. The motor acting on the front wheels delivers 80bhp and 162lb ft, but can supply up to 139bhp momentarily. Altogether, BMW’s new diesel-electric hybrid system is rated at 356bhp and 590lb ft.

This endows the 1395kg Vision Efficient Dynamics with a power-to-weight ratio of 255bhp per tonne, or just 7bhp per tonne below that of the current 414bhp 4.0-litre V8 M3. It’s not surprising, then, that it is claimed to go from 0-62mph in 4.8sec and on to an electronically limited top speed of 155mph. Those figures match the M3’s.

Fuel economy is much improved over the M3, though; the combined fuel consumption figure is 75.1mpg and CO2 emissions are just 99g/km; both figures are comparable to those of the Toyota Prius.

The batteries are charged by regenerative braking or by plugging the car into the mains; there’s a socket located in the right front wing. When the car is hooked up to a standard 220V/16A system, overall recharge time is put at two and a half hours. At a higher 380V and 32A this is reduced to just 44 minutes. The battery pack, sited within the central chassis tunnel, weighs 85kg.

The car can run on electric power, its diesel engine or a combination of both. In pure electric mode the range is put at a modest 31 miles, but the diesel engine offers an additional 400 miles.

As well as highlighting technical developments that we can expect to see in showrooms within the next five years or so, the Vision Efficient Dynamics also adds a new energy-saving component: a thermo-electric generator in the exhaust system.

Originally developed for use in spacecraft, the unit generates electricity when heated. That electricity is then used to power the steering, air-con and seat adjustment.

The suspension set-up is aluminium-intensive double wishbones all round. It supports aerodynamically optimised wheels shod with low-resistance tyres.

Inside, the Vision Efficient Dynamics offers 2+2 seats and 150 litres of luggage space. Access to the cabin is via butterfly-style doors that extend along the side of the car.

A prominent centre tunnel divides the plush leather-lined interior, which features a futuristic-looking dashboard and trim panels mirroring the layered surfacing approach taken with the car’s exterior.

The Vision Efficient Dynamics also acts as a template for BMW’s future design lineage.

The first car to be styled completely under BMW Group design boss Adrian van Hooydonk adopts a radical shape that doesn’t provide a direct link to a single upcoming model, instead introducing ideas to influence future cars (see breakout).

Van Hooydonk’s team has attempted to instil visual lightness within the body of BMW’s latest concept through the extensive use of glass, which covers a good expanse of the bonnet, roof, sides and boot lid.

Other forms of stylistic experimentation are evident in traditional BMW elements such as a re-interpreted kidney grille.

 

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Comments
33

30 August 2009

it wont be better for the environment because its a diesel. and it wont sell on its MPG either as an economic incentive as it will no doubt cost over £5K more than the M3 list price.

but if i am wrong then it will be successful.

visually its great. can they make that look for production, it looks nothing like a BMW, even with a grill.

30 August 2009

What a car! Please make it BMW! Drop the 760's V12 or the X6M's 4.4V8 into it and tune it up to 600bhp.

30 August 2009

Wow, that looks radical, but then I guess it's meant to. I like it.

30 August 2009

That be one ugly mofo! Looks as fat as a mofo...

30 August 2009

I hope they put it into production on one condition... they still offer a traditional manual gearbox with it, even if its a cost adding option.

I'm a month into my E92 M3, and everyday I drive it I regret choosing the @%$% DCT. I drive it everyday through rushhour traffic and I honestly think a manual is better even for that.

30 August 2009

[quote Topkat]That be one ugly mofo! Looks as fat as a mofo...[/quote]

Do you ever have anything constructive to say?

30 August 2009

No but he is smarter than the average bear!

 NeVeR L8te Smile

30 August 2009

"Originally developed for use in spacecraft, the unit generates electricity when heated. That electricity is then used to power the steering, air-con and seat adjustment." Am I to assume that with no heat in the exhaust, I can't move my seat, cool myself or steer!! Every owner must park their car on a long bit of straight road, in the shade!!

30 August 2009

The stats are really impressive and with BMW's recent form certainly achievable in the near future. The diesel/electric hybrid makes perfect sense with torque being often more important than power in the real world, 50-70 on the motorway etc... and it does look good, someone lock up the village idiot.

30 August 2009

[quote blasos1983]Drop the 760's V12 or the X6M's 4.4V8 into it and tune it up to 600bhp.[/quote] Except that would make it slightly pointless. Otherwise, the car looks great and BMW surely have the nouse to build it, but at a slightly reasonable price. I like the extra-wide kidney grille.

"The creative adult is the child who survived."

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