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VAG AUDI RS4 Remap & Chiptuning – Audi RS4 B9, RS5 B9, RS4 B8
Covers the VAG group: Volkswagen, Audi, Škoda, SEAT, Cupra.
Professional ECU tuning and remapping for the VAG AUDI RS4 petrol engine. Our dyno-tested Stage 1 and Stage 2 calibrations sharpen throttle response and power delivery, with options such as Pop & Bang, GPF/OPF off and limiter changes for supported ECUs.
Engine codes: EA839 2.9 TFSI / 4.2 FSI
Fitted to Audi RS4 B9RS5 B9RS4 B8
Performance Gains (Dyno-Tested)
| Engine | Stock | Tuned | HP Gain | Torque Gain | ECU | Order |
|---|---|---|---|---|---|---|
| AUDI RS4 | 450 hp | 504 hp | +54 hp +12% | +82 Nm | MG1CS002Stage 1 | Order file → |
Figures are dyno-tested averages and may vary with hardware condition and fuel quality.
Cars this engine is fitted to
Audi RS4 B9, RS5 B9, RS4 B8, Porsche Cayenne, Volkswagen Touareg, Audi Q7 and 2 more across Audi, Porsche and Volkswagen
Fitment is read from the ECU part numbers in our own database, not from a generic catalogue. The same engine and control unit are fitted to several cars, which is why one page serves them all.
Porsche · 3
Audi · 2Measured here, tunable everywhere
The figures in the table above are readings taken on the dyno for this engine, not software estimates rounded up to sell a file, and our Stage 1 is calibrated to stay inside the margins the engine was designed with. Only a part of our work is published this way: every ECU, engine and model we can read can be remapped for power, measured page or not.
Supported ECU(s): MG1CS002
Frequently Asked Questions
How much power can a VAG AUDI RS4 gain with Stage 1 tuning?
Stage 1 ECU tuning for the VAG AUDI RS4 can add up to +54 hp and +82 Nm of torque, based on dyno-tested calibrations. Actual figures depend on the exact engine variant and hardware condition.
How do I order and how fast is the tuning file delivered?
Upload your original ECU read through the tuning page and receive the calibration by email. Most files are delivered within 15-20 minutes during working hours (daily, 07:00-23:00 CET).
Is the VAG AUDI RS4 tuning file plug-and-play?
You receive a ready-to-flash calibration based on your original file. Flashing it back to the ECU and any related mechanical preparation are handled by the installer with their own tools.
Order your VAG AUDI RS4 tuning file
Upload your original ECU file and receive a professional calibration in 15-20 minutes.
Tune Your File →v4.31.23