Your Vehicle
Audi S3 2.0 TFSI 300hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible. Stage 2: remap combined with downpipe / sports air filter.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph · Stage 1
Audi S3 2.0 TFSI 300hp: da 300 a 365HP
Values for Stage 1 (change the stage from the control above)
Remapping Audi S3
MasterTuning is a leader in developing remapping for Audi. La Audi S3 2.0 TFSI 300hp può passare da 300 HP a 365 HP con un incremento di 65 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Audi S3 2.0 TFSI 300hp
The Audi S3 2.0 TFSI 300hp is equipped with a petrol engine that produces 300 HP and 380 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Audi can achieve 365 HP (+22%) and 480 Nm (+26%).
Our Stage 1 tuning for the S3 All delivers an impressive gain of +65 HP and +100 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code CJXC identifies this specific powerplant configuration. The Siemens/Continental Simos 12 / Siemens/Continental Simos 18.1 / Siemens/Continental Simos 18.6 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 300 HP from factory, this Audi S3 is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Audi S3 2.0 TFSI 300hp
Factory technical data for the Audi S3 2.0 TFSI 300hp (All), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | CJXC |
|---|---|
| ECU / Control unit | Siemens/Continental Simos 12 / Siemens/Continental Simos 18.1 / Siemens/Continental Simos 18.6 |
| Fuel | Petrol |
| Compression ratio | 9.3 |
| Bore × stroke | 82.5 X 92.8 mm |
| Stock power | 300 HP · 380 Nm |
| Remapped power (Stage 1) | 365 HP (+65) · 480 Nm (+100) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Audi S3.
Frequently Asked Questions - Audi S3
How much power can I gain from remapping my Audi S3?
With MasterTuning Stage 1, your Audi S3 2.0 TFSI 300hp can gain +65 HP (from 300 to 365 HP) and +100 Nm of torque. This represents a 22% increase in power.
Is ECU remapping safe for the Audi S3 engine?
Yes, MasterTuning's remapping for the Audi S3 2.0 TFSI 300hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the CJXC engine.
Is the Audi ECU remapping reversible?
Absolutely. The original factory calibration of your Audi S3 is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Audi warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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