However you view the “cloning” exercise between the BMW Z4 and Toyota Supra, the fact is that neither of these two-seater sports cars might have existed without the economies of scale that the technical partnership made possible.

Yes, the Supra is essentially a dressed-up Z4, and neither manufacturer made any secret of this. The turbo 3.0 engine and eight-speed auto gearbox are Bavarian, and managing the power at the rear wheels is an electronic differential...

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