Your Vehicle
Audi A3 1.2 TSI 105hp
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 A3 1.2 TSI 105hp: da 105 a 140HP
Values for Stage 1 (change the stage from the control above)
Remapping Audi A3
MasterTuning is a leader in developing remapping for Audi. La Audi A3 1.2 TSI 105hp può passare da 105 HP a 140 HP con un incremento di 35 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 A3 1.2 TSI 105hp
The Audi A3 1.2 TSI 105hp is equipped with a petrol engine that produces 105 HP and 175 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Audi can achieve 140 HP (+33%) and 235 Nm (+34%).
Our Stage 1 tuning for the A3 8V - Mk1 - 2012 - 2016 delivers an impressive gain of +35 HP and +60 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code CJZ identifies this specific powerplant configuration. The Bosch MED17.5.21 / Siemens/Continental Simos 10 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The A3's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Audi A3 1.2 TSI 105hp
Factory technical data for the Audi A3 1.2 TSI 105hp (8V - Mk1 - 2012 - 2016), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | CJZ |
|---|---|
| ECU / Control unit | Bosch MED17.5.21 / Siemens/Continental Simos 10 |
| Fuel | Petrol |
| Compression ratio | 10.0 |
| Bore × stroke | 71.0 X 75.6 mm |
| Stock power | 105 HP · 175 Nm |
| Remapped power (Stage 1) | 140 HP (+35) · 235 Nm (+60) |
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 A3.
Frequently Asked Questions - Audi A3
How much power can I gain from remapping my Audi A3?
With MasterTuning Stage 1, your Audi A3 1.2 TSI 105hp can gain +35 HP (from 105 to 140 HP) and +60 Nm of torque. This represents a 33% increase in power.
Is ECU remapping safe for the Audi A3 engine?
Yes, MasterTuning's remapping for the Audi A3 1.2 TSI 105hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the CJZ engine.
Is the Audi ECU remapping reversible?
Absolutely. The original factory calibration of your Audi A3 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.
Other Remaps You Might Like
Other Engines Audi A3 8V - Mk1 - 2012 - 2016
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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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