Audi S5 B8.5 Remapping and Tuning
Upgrade your Audi S5 B8.5 3.0 TFSI Supercharged 333HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our remapping options are designed to increase power and torque, improve throttle response and deliver stronger acceleration while retaining the performance and refinement expected from your Audi.
The Audi S5 B8.5 features a supercharged 3.0-litre TFSI V6 petrol engine, combining smooth power delivery with sporty handling and everyday practicality. With a tailored ECU calibration, your S5 can achieve enhanced acceleration, improved responsiveness and stronger performance throughout the rev range.
Audi S5 B8.5 Performance Figures
Standard Performance
- Power: 333HP
- Torque: 440Nm
Stage 1 Remap
- Power: 410HP
- Torque: 500Nm
Stage 1 tuning optimises the engine’s ECU calibration to increase power and torque without requiring the supporting hardware modifications typically associated with higher tuning stages.
Stage 2 Remap
- Power: 470HP
- Torque: 560Nm
- Price: Call for a Stage 2 quote
Stage 2 tuning may require suitable supporting hardware, depending on the calibration and vehicle specification. Contact Onyx Performance to discuss compatibility, recommended modifications and pricing.
Performance figures are indicative and may vary depending on vehicle condition, fuel quality, hardware, ECU software and calibration.
Gearbox Tuning
A gearbox remap can complement your Audi S5 engine tune by optimising shift behaviour, transmission response and torque management where supported by the installed gearbox and control unit.
Available options:
- Stage 1 Gearbox Remap – Contact for Price
- Stage 2 Gearbox Remap – Contact for Price
- Stage 3 Gearbox Remap – Contact for Price
Contact Onyx Performance to confirm gearbox compatibility and discuss the most suitable option for your S5.
BEFORE TUNING
Before remapping, we recommend ensuring your Audi S5 is mechanically sound. Existing engine, transmission or emissions-related faults should be investigated before tuning. Diagnostic checks and an assessment of the vehicle’s condition may be required before proceeding.
SERVICING AND MAINTENANCE
Regular maintenance is essential for the longevity and performance of your 3.0 TFSI engine. Keep up with scheduled servicing and use the correct engine oil, filters and approved fluids. Spark plugs, ignition components, cooling systems and transmission servicing should be maintained in line with the vehicle’s requirements.
EXHAUST UPGRADES
Suitable exhaust upgrades can complement a performance remap by changing exhaust flow and sound. Any modifications should be compatible with the vehicle’s tuning setup and comply with applicable road-use and emissions regulations.
PERFORMANCE UPGRADES
Depending on your performance goals, supporting modifications may include suitable intake components, supercharger and cooling-system upgrades, and other hardware appropriate to your chosen tuning stage. We can discuss the available options before recommending a setup.
STYLING AND BODY UPGRADES
Personalise your Audi S5 with carefully selected alloy wheels, exterior styling enhancements and other upgrades that complement its sporty design.
VEHICLE SECURITY
Protect your Audi with suitable vehicle security measures. Contact us to discuss available options and solutions appropriate for your vehicle.
WHY CHOOSE ONYX PERFORMANCE?
- Professional ECU remapping and performance tuning.
- Stage 1 and Stage 2 tuning options.
- Advice tailored to your vehicle’s condition and modifications.
- Diagnostic checks and a focus on dependable performance.
- Gearbox tuning options, subject to compatibility.
- Based in Slough, Berkshire.
REMAPPING IN SLOUGH
Onyx Performance provides vehicle remapping and tuning in Slough, Berkshire. Whether you want stronger everyday performance or are planning a higher-output setup, contact us to discuss the best options for your Audi S5 B8.5.
Frequently Asked Questions
How much power can an Audi S5 B8.5 produce with Stage 1 tuning?
The supplied Stage 1 figures indicate an increase from 333HP and 440Nm to approximately 410HP and 500Nm.
What power can the Audi S5 B8.5 achieve with Stage 2 tuning?
The supplied Stage 2 figures are 470HP and 560Nm. Stage 2 pricing is available on request, and suitable supporting hardware may be required.
Are hardware upgrades required for Stage 2?
Requirements depend on the chosen calibration and the vehicle’s existing specification. Contact us to discuss the modifications appropriate for your S5.
Can the gearbox be remapped too?
Gearbox tuning may be available depending on the installed transmission and control unit. Contact us for Stage 1, Stage 2 or Stage 3 gearbox remapping prices.
Can I book a dyno session?
Dyno sessions are available for £120.00. Contact Onyx Performance to confirm availability and arrange a session.
Is Stage 3 tuning available?
Stage 3 tuning depends on the vehicle’s hardware, condition and intended performance goals. Contact us to discuss your build and obtain a quote.
Does the ECU need unlocking before tuning?
The supplied ECU specification is Continental SIMOS 8.4 / 8.5. Access requirements should be confirmed against the exact ECU hardware and software version before tuning.
BOOK YOUR REMAP
Ready to improve your Audi S5 B8.5’s performance? Contact Onyx Performance in Slough, Berkshire to discuss Stage 1 tuning, Stage 2 options, gearbox remapping and supporting upgrades.
Contact Onyx Performance
Transform your Audi S5 B8.5 today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, performance exhaust systems, styling enhancements, or vehicle security solutions, our expert team is here to help.
📞 Call us now on 01753 439321 to book your tuning service or discuss Stage 2 and security options!
