Unlock the full potential of your Audi RS3 with RacingLine's OEM+ ECU and TCU tuning software. Engineered for street and track use, on the CZGB 2.5 TFSI engine.

Having both the ECU and TCU software lets us extract the most out of the vehicle, maximising the torque at every stage and improving drivability throughout the range.

Stock Power Figures | 367ps | 460Nm

Free upgrades to higher software levels included for the original purchaser.

This product listing is for software only, please ensure your vehicle is error free with no running issues before purchasing and installing ECU Software.

Hardware requirements for different stages are listed below and must be met before flashing software.

Stage 1 RacingLine Software | Up to 414Bhp / 572Nm

• Recommended upgrade: High flow intake
  
• Optional Upgrade: Performance Intercooler
  

Stage 2 RacingLine Software | Up to 458Bhp / 607Nm

• High flow intake
  
• Performance Intercooler
  
• High flow sports cat / downpipe

RacingLine DQ500 Dynamic TCU Tuning Software

• Dynamic Control, continuously adapting clamping pressure and eliminating the need for fixed-stage tuning
• Increased RPM limits, allowing the engine to reach full potential before shifting
• Refined shift strategies for smoother daily driving and sharper power delivery
• Increased clamping pressure, calibrated to handle greater torque demands without slip
• Higher torque limits, preventing the ECU from unnecessarily restricting power output

PDM / Home Installation Features

• Map switching - toggle between mapping profiles/features
• Anti-theft mode - immobilises the vehicle at the software level

Vehicle Compatibility

2.5 TFSI CZGB Audi RS3 8V.1 (Pre-facelift) Only

Not sure if your vehicle is compatible? Get in touch

For RacingLines full information on High Output Continental EA888.4 ECU Software visit:
https://www.racinglinetuning.com/rs3-8v-2-5tfsi-software