Wiesmann GT / Roadster Tuning
2 supported Wiesmann GT / Roadster applications, 2003+.
Wiesmann
2 supported GT / Roadster tunes
Select Engine
All Supported Wiesmann GT / Roadster Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 3.2i (MF3) | 2003+ | 343 hp | ECU Siemens MS45 | AutoTuner | |
| 4.4i (MF5) | 2003+ | 555 hp | ECU Siemens MSD85 | AutoTuner |
About Wiesmann GT / Roadster tuning
Rapid Racing supports 2 Wiesmann GT / Roadster applications from 2003+ through AutoTuner, with stock outputs up to 555 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.
Supported engines: 3.2i (MF3), 4.4i (MF5).
Supported controllers: Siemens MS45, Siemens MSD85.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.