4.4i (MF30) - 402ch Tuning
Wiesmann GT / Roadster — Detailed power and torque gains by stage.
Gains by stage(4)
Power
402 hp
Torque
600 Nm
essence
Power
402→420ch
+18 ch
+4%
Torque
600→625Nm
+25 Nm
+4%
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Everything about 4.4i (MF30) - 402ch tuning
Tuning the 4.4i (MF30) - 402ch found in the Wiesmann GT / Roadster is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Wiesmann GT / Roadster 4.4i (MF30) - 402ch, tuning delivers up to +58 hp and +90 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 402 → 420 hp | 600 → 625 Nm | — |
| Stage 2 | 402 → 460 hp | 600 → 690 Nm | — |
| E85 Flexfuel | 402 → 402 hp | 600 → 600 Nm | — |
| E85+ | 402 → 420 hp | 600 → 625 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 4.4i (MF30) - 402ch?
Tuning the 4.4i (MF30) - 402ch (Wiesmann GT / Roadster) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 4.4i (MF30) - 402ch?
Yes, the 4.4i (MF30) - 402ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Wiesmann GT / Roadster tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Wiesmann GT / Roadster?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.