Wiesmann builds hand-crafted German sports cars using BMW engines in a classic roadster body. The BMW-sourced S65 V8 and N54/N55 six-cylinder engines respond to ECU tuning using BMW-standard tools and maps.
The Wiesmann GT MF5 with BMW S65 V8 responds to ECU optimization with improved delivery at high RPMs. The MF4 with N54 twin-turbo six-cylinder responds to Stage 1 with +40–60 Nm. All Wiesmann tuning is performed with BMW-sourced specialist tools.
Wiesmann tuning is a specialist task combining BMW engine expertise with knowledge of the unique Wiesmann configuration. We approach each vehicle with individual care. All work is fully reversible.