Audi RS4 - 4.2 FSI V8 420hp
1 ECU found for this engine. Select an ECU to view available tuning services and pricing.
Audi RS4 4.2 FSI V8 420hp Engine Specifications
Audi RS4 4.2 FSI V8 420hp Stage 1 Chiptuning Results
| Variant | Original HP | Tuned HP | +HP | Original Nm | Tuned Nm | +Nm |
|---|---|---|---|---|---|---|
| 4.2 FSI V8 420hp | 420 | 440 | +20 | 430 | 455 | +25 |
Audi RS4 4.2 FSI V8 420hp: Before this file is prepared
For the Audi RS4 4.2 FSI V8 420hp, the uploaded file is the final reference. We check whether it is original or already modified before preparing the order, and we contact you first if the read or selected service does not match the vehicle data.
- Upload a complete original ECU read from the tool you used, or a TCU read only when the selected service is gearbox tuning.
- Add the vehicle year, gearbox, read/write tool and any dashboard or diagnostic symptoms.
- Select only the services that match the actual vehicle hardware and intended legal use.
Other RS4 Engines
Audi RS4 4.2 FSI V8 420hp Frequently Asked Questions
- What tuning services are available for the Audi RS4 4.2 FSI V8 420hp?
- WEREMAP offers 23 tuning services across 1 ECU variants for the Audi RS4 4.2 FSI V8 420hp.
- How much does ECU tuning cost for a Audi RS4?
- ECU tuning prices for the Audi RS4 4.2 FSI V8 420hp range from 24 to 600 credits, depending on the ECU variant and tuning service selected.
- What ECU does the Audi RS4 4.2 FSI V8 420hp use?
- The Audi RS4 4.2 FSI V8 420hp is available with the following ECU variants: Bosch MED9.1. WEREMAP provides professional tuning files for all of these.
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