For many, it may seem hard for an automaker to claim the mantle of “The Ultimate Driving Machine” without a truly exhilarating supercar to act as a halo to define the brand.

That could explain why, following previous reports that it had canned any plans for a mid-engine supercar, new reports suggest that BMW is proceeding with development of just such a vehicle.

Tentatively dubbed Z10, the most ultimate of driving machines would, according to the latest churns of the rumormill, take advantage of lightweight materials – including carbon fiber, aluminum and magnesium – to keep weight down, while offering more space inside than a Porsche 911.

The jury’s still out on what engine would find itself placed in the middle of the taut chassis, with the company’s award-winning V10 reportedly axed in favor of a twin-turbo six (in either V or inline configuration) delivering somewhere in the vicinity of 450 horsepower and 350 lb-ft of torque through an eight-speed dual clutch gearbox.

Adaptable aerodynamics, a supplemental hybrid electric motor and thermal-dynamics system are also tipped to be part of the package, and we wouldn’t be surprised to see some of the styling elements from the new Vision EfficientDynamics concept make their way into the production Sport Car vehicle.

The supercar is supposedly projected to bow with a $110,000 sticker price about five years from now… that is, if it’s actually ever produced at all.

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