Audi B9 S4, S5 & SQ5 3.0 TFSI Remapping by Onyx Performance
At Onyx Performance, we offer expertly developed ECU and gearbox tuning for the Audi B9 S4, S5, and SQ5 3.0 TFSI models. Our Stage 1 and Stage 2 remap software has been meticulously tested on our state-of-the-art 4WD rolling road dyno, ensuring maximum power gains, improved throttle response, and optimal reliability.
Whether you are looking for enhanced daily drivability with Stage 1 or unleashing the full potential of your Audi with Stage 2, our custom tuning solutions ensure exceptional performance improvements while maintaining engine safety.
Audi B9 S4, S5 & SQ5 3.0 TFSI Remap Service Includes:
✔ Rolling Road (Dyno) Testing – Performance validation before & after tuning
✔ Live Data Logging – Ensuring precise ECU adjustments for optimal gains
✔ Before & After Power Printouts – Measurable tuning results
✔ Engine Smoke Test – Checking for any boost or vacuum leaks
✔ Catalyst Efficiency Fault Code Delete (OPTIONAL) – Prevents MIL errors after exhaust modifications
✔ Overrun Crackles (OPTIONAL) – Adds enhanced exhaust acoustics on deceleration
✔ Speed Limiter Removal – Unlocks full vehicle potential
✔ Comprehensive Diagnostic Check – Ensuring engine and system health before tuning
Audi B9 S4, S5 & SQ5 3.0 TFSI – Stage 1 & Stage 2 Performance Gains
Stage 1 Remap – Performance Enhancement Without Hardware Changes
- Stock Power: 354HP / 500Nm
- Stage 1 Output: 410HP / 580Nm
- Hardware Required: None
A Stage 1 ECU remap optimises factory engine parameters, providing a noticeable increase in power and torque without requiring hardware upgrades. Expect improved throttle response, turbo efficiency, and overall driving experience.
Stage 2 Remap – Maximum Performance Upgrade
- Stock Power: 354HP / 500Nm
- Stage 2 Output: 440-470HP / 580-650Nm*
- Hardware Required:
- Crank Pulley Upgrade (For increased boost pressure and efficiency)
- Decat Downpipe or High-Flow Sports Catalyst (Improves turbo efficiency and exhaust flow)
- Cat-Back Exhaust System (Optional for Enhanced Sound & Power Delivery)
- Upgraded Air Filter for Increased Airflow
- Larger Intercooler for Improved Cooling & Power Stability
- Onyx Performance Stage 2 Gearbox Software (For enhanced shift speeds and torque management on DSG models)
Stage 2 tuning unlocks the full power potential of the Audi B9 S4, S5 & SQ5, providing sharper throttle response, increased torque, and an even more dynamic drive while maintaining long-term engine reliability.
Figures may vary depending on modifications and fuel quality.
Exhaust Upgrades for Audi B9 S4, S5 & SQ5 3.0 TFSI
Enhance the sound and performance of your Audi S4, S5, or SQ5 with our performance exhaust solutions:
? Decat Downpipes – Maximises turbo efficiency and increases exhaust sound
? High-Flow Sports Catalysts – Reduces backpressure while maintaining emissions compliance
? GPF (Gasoline Particulate Filter) Delete – Recommended for maximum performance and sound improvement
? Cat-Back Exhaust Systems – Enhances overall exhaust tone and driving experience
Pairing Stage 2 tuning with a performance exhaust system unlocks maximum power gains and an aggressive exhaust note.
Servicing & Maintenance for Audi B9 S4, S5 & SQ5
Ensuring your Audi B9 S4, S5, or SQ5 3.0 TFSI is properly maintained is crucial for long-term reliability and peak performance. At Onyx Performance, we offer:
? Routine Servicing – Regular oil changes, filter replacements, and inspections
? Brake Upgrades & Repairs – OEM brake replacements and high-performance braking systems
? Suspension Enhancements – Improved handling and ride stability solutions
? Advanced Diagnostics & Fault Repairs – Identifying and resolving engine performance issues
We also update your digital service history, ensuring your vehicle remains fully documented and well-maintained.
Vehicle Security & Immobilisers for Audi B9 S4, S5 & SQ5
Protect your Audi S4, S5, or SQ5 with our advanced vehicle security solutions:
? Autowatch Ghost Immobiliser – Prevents key cloning and unauthorised vehicle starts
? MetaTrak Trackers – GPS tracking for real-time vehicle location monitoring
? Scorpion Track Systems – Motion alerts and driver recognition for added security
? Fleet Tracking Solutions – Perfect for owners managing multiple high-value vehicles
Our security systems are professionally installed, offering seamless integration and maximum protection.
Why Choose Onyx Performance for Audi B9 S4, S5 & SQ5 Tuning?
✔ Specialists in Audi 3.0 TFSI Engine Tuning – Extensive knowledge and expertise in S and SQ models
✔ Dyno-Tested ECU & Gearbox Software – Developed in-house on our 4WD rolling road dyno
✔ Custom ECU & DSG Tuning – Optimised throttle response, turbo boost control, and gearbox calibration
✔ Full Vehicle Health Check Before Tuning – Ensuring engine safety and long-term reliability
✔ Flexible Finance Options Available – Making high-performance tuning more accessible
Unlock the True Potential of Your Audi B9 S4, S5 & SQ5 with Onyx Performance
Whether you’re looking for a Stage 1 remap for enhanced drivability or Stage 2 tuning for maximum power and performance, Onyx Performance delivers the best tuning solutions for your Audi S4, S5, and SQ5 3.0 TFSI.
? Located in Slough, Berkshire – Serving Audi performance enthusiasts across the UK
? Contact us today to book your remap and unleash the full potential of your Audi!
? Experience precision tuning with Onyx Performance! ?