Wiesmann is planning the release of an engine upgrade for the MF4 and MF5 line-up. The ultimate sports cars are based on previous models, but will both be outfitted with a new twin turbo V8 engine also used in the BMW X5 M, X6 M and upcoming F10 M5.

A total of four vehicles will make their official debut at the Geneva Motor Show in March. The newly upgraded GT MF4 Coupé, GT MF5 Coupé, Roadster MF4 and Roadster MF5 are outfitted with the 4.4 liter V8 twin turbo direct injection petrol engine.

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