| Property | Stock | Stage 1 |
|---|---|---|
| Power | 420 PS | 440 PS |
| Torque | 430 Nm | 455 Nm |
| Power increase | – | +5% |
| Engine | 4.2 FSI V8 420hp | |
| Engine | 4.2 FSI V8 420hp | |
| ECU | BOSCH MED9 | |
Chiptuning for the Audi RS4 B7 (2004-2008) with 4.2 FSI V8 420hp – we raise power from 420 PS to 440 PS (+5%) and torque from 430 Nm to 455 Nm (+6%).
Our software optimisation is developed for the specific vehicle, calibrated within OEM tolerances and reversible at any time. Stage 1, DPF off, EGR off and further options on request.
For the Audi RS4 with the 4.2 FSI V8 420hp and the ECU BOSCH MED9 we specifically adjust boost pressure, torque model, injection and maps. All protection and transmission strategies stay active, and the original software is backed up before any work. The work is done on site in Ostrach or remotely via Fileservice.
With Stage 1 we raise power from 420 PS to 440 PS (+5%).
Yes. We optimise within the technical reserves. All safety parameters are preserved and the optimisation can be rolled back.
Yes, the software can be reset to its original state at any time.
Usually 1–3 hours.
