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Old 01-30-2009, 02:18 AM
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Arrow Z10 hybrid supercar w/ EfficientDynamics



Plans for an advanced green BMW supercar, the BMW Z10 ED, have been revealed.

The two-seat BMW Z10 ED, a product of the companys secretive Technik division, will be BMWs flagship. It is being developed as a showcase for new drivelines, electronic technologies, body construction and auxiliary components.

The Z10s ED suffix stands for Efficient Dynamics, BMWs suite of fuel-saving technologies that also cut carbon emissions.

Technology proved on the Z10 will trickle down to volume models in the next decade.

The BMW Z10 ED will be built in limited numbers and sold for around 80,000 in todays money.

It was originally planned as a one-off concept, but when bosses in Munich abandoned plans for a V10-powered mid-engined rival to the Audi R8 last year, a decision was made to make green technology a primary focus by advancing the Z10 to production.

The idea is to bring all the very latest technology together in a way that will allow a high level of performance without overburdening the environment in a way that the current crop of supercars do, said an insider privy to BMWs plans. There is no reason why they need to be mutually exclusive when you consider the sort of technology that exists today. It is just a matter of applying it correctly.

BMW has a history of using its Technik division to bolster the image of its line-up. Previous models to head straight from its workshops to the showroom include the 3-series-based Z1 and, more recently, the E39 M5-based Z8.

Drawing on the carbonfibre construction techniques used on BMWs one-off Z22 show car, plus the extensive use of aluminium chassis components, the BMW Z10 ED is intended to weigh no more than 1400kg.

Moving on from simple carbonfibre body panels, Munich engineers have patented a process that combines several parts into a single sub-assembly.

BMW is exploring integrated door frames and sill panels for the Z10, a move designed to ensure a low kerb weight and high bodyshell rigidity.

BMW will also use the Z10 ED to highlight its engine downsizing plans. With recent advances in turbocharging, direct injection and thermal technology, we can now produce petrol engines with a comparatively small swept volume without any drop in performance over our existing powerplants, a source told Autocar.

Among the engines said to be under consideration for the green supercar is a new high-pressure turbocharged direct-injection straight six. It would replace the 3.0-litre unit thats used across the current BMW line-up.

The new motor has been conceived in two different guises; one uses a conventional mechanical valve system in combination with BMWs double VANOS variable valve timing system, and another features electronic valve control that allows a variable compression ratio.

Expect the new engine to deliver in the region of 400bhp and drive through BMWs recently introduced seven-speed dual-clutch gearbox.

In conjunction with stop-start, an integrated starter/generator and a refined version of todays brake energy regeneration system, the new engine could boost efficiency by nearly 15 per cent.

The brake energy regeneration system will be modified to store energy in an additional lithium-ion battery, in effect making the BMW Z10 ED a hybrid.

Last edited by LeMansX5; 01-30-2009 at 02:24 AM.
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Old 01-30-2009, 02:23 AM
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This car will be a mix of M1 Homage and GINA concept(see thread posted last year).
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Old 01-30-2009, 08:03 AM
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i heard mercedes is doing something similar with the next gen slk, like a high end gullwing slk hybrid or something
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