Audi RS4 B9 Remapping and Tuning
Upgrade your Audi RS4 B9 with professional Stage 1 and Stage 2 tuning from Onyx Performance in Slough, Berkshire.
The Audi RS4 B9 is powered by a 2.9 TFSI V6 BiTurbo petrol engine, delivering impressive performance and handling straight from the factory. Our professional ECU remapping is designed to unlock additional power, torque and throttle response while maintaining smooth, reliable performance.
Suitable for Audi RS4 B9 models manufactured between 2017 and 2019.
AUDI RS4 B9 STAGE 1 REMAP
A Stage 1 remap is an ideal upgrade for your Audi RS4 B9, delivering increased power and torque without requiring additional hardware modifications.
Standard: 450HP / 600Nm
Stage 1: Up to 520HP / 700Nm
Our Stage 1 ECU remapping optimises the engine management software to improve boost pressure, ignition timing, fuelling and throttle response. The result is stronger acceleration, improved mid-range performance and a more responsive driving experience.
A Stage 1 remap is suitable for vehicles in standard condition and does not require additional performance modifications.
AUDI RS4 B9 STAGE 2 TUNING
For owners looking for even greater performance, Stage 2 tuning takes your Audi RS4 B9 to the next level.
Stage 2: Up to 560HP / 750Nm
Stage 2 tuning requires suitable supporting hardware upgrades to help the engine achieve its increased performance safely and effectively.
Recommended supporting modifications may include:
- Sports catalyst or upgraded downpipe
- Performance air intake system
- Larger or upgraded intercooler
- Performance exhaust system
- Gearbox tuning where supported
- Additional supporting upgrades where required
Our team can advise on the appropriate modifications for your vehicle before carrying out Stage 2 tuning.
Call for a Stage 2 quote.
AUDI RS4 B9 GEARBOX TUNING
Alongside engine remapping, gearbox tuning can improve the driving experience of your Audi RS4 B9.
Gearbox software optimisation can improve gearshift response, shift speeds and torque management, helping the transmission work more effectively with the increased engine performance.
Our team can check the gearbox software and available tuning options for your specific vehicle.
BEFORE TUNING
Before carrying out any ECU remapping or performance upgrades, we recommend a full vehicle health check.
Our checks include:
- Full diagnostic scan for existing fault codes
- Inspection of engine condition
- Checks for boost leaks and intake issues
- Inspection of ignition components
- Checks of cooling system operation
- Review of existing engine and gearbox faults
Any issues identified during the inspection will be discussed with you before work proceeds. Repairs are charged separately and will only be carried out with your approval.
SERVICING AND MAINTENANCE FOR AUDI RS4 B9
Keeping your Audi properly maintained is essential for performance, reliability and longevity, particularly following an ECU remap.
We offer servicing and maintenance support, including:
- Engine oil and filter servicing
- Spark plug replacement
- Air filter replacement
- Brake inspections and maintenance
- Cooling system checks
- General vehicle health checks
- Diagnostic fault finding
We recommend keeping your vehicle up to date with its servicing schedule to help maintain consistent performance.
AUDI RS4 B9 EXHAUST UPGRADES
An upgraded exhaust system can improve exhaust flow, enhance engine sound and complement the performance gains from ECU tuning.
Available exhaust upgrades include:
- Performance exhaust systems
- Sports catalytic converters
- Upgraded downpipes
- Exhaust system enhancements
Our team can help you choose an exhaust setup suited to your Audi and its intended use.
AUDI RS4 B9 PERFORMANCE UPGRADES
Alongside ECU remapping, we offer a range of performance upgrades designed to improve the overall driving experience.
Available performance enhancements include:
- Performance air intake systems
- Turbo inlet upgrades
- Turbo upgrades
- Upgraded intercoolers
- Performance exhaust systems
- Improved braking components
- Suspension upgrades
- Supporting engine modifications
We can recommend suitable upgrades based on your performance goals and the condition of your vehicle.
STYLING AND BODY UPGRADES
Enhance the appearance of your Audi RS4 B9 with styling and body upgrades.
Available options include:
- Front splitters
- Rear spoilers
- Side skirts
- Rear diffusers
- Exterior styling enhancements
- Wheel upgrades
- Other vehicle styling modifications
Our team can help you create a look that complements the design of your Audi.
AUDI RS4 B9 VEHICLE SECURITY
Protecting your Audi is just as important as improving its performance.
We offer vehicle security solutions designed to help protect your vehicle against theft and unauthorised access.
Speak to our team about the available security upgrades for your Audi RS4 B9.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we provide professional vehicle remapping, tuning and performance upgrades from our premises in Slough, Berkshire.
Why choose us?
- Professional ECU remapping and performance tuning
- Tailored Stage 1 and Stage 2 tuning solutions
- Experienced performance specialists
- Diagnostic checks before tuning
- Performance hardware and exhaust upgrades
- Gearbox tuning options where supported
- Vehicle styling and security solutions
- Friendly advice and support throughout the process
We aim to deliver noticeable performance improvements while prioritising vehicle condition, drivability and reliability.
AUDI RS4 B9 REMAPPING IN SLOUGH
If you are looking for Audi RS4 B9 remapping in Slough, Berkshire, Onyx Performance can help.
We provide professional ECU remapping and performance upgrades for Audi vehicles, including Stage 1 and Stage 2 tuning, exhaust upgrades, performance modifications and vehicle security solutions.
Visit Onyx Performance in Slough or contact our team to discuss your Audi tuning requirements.
FREQUENTLY ASKED QUESTIONS
How much power can an Audi RS4 B9 gain from a Stage 1 remap?
The standard 2.9 TFSI V6 BiTurbo engine produces 450HP and 600Nm. A Stage 1 remap can increase output to approximately 520HP and 700Nm.
Does my Audi RS4 B9 need modifications for Stage 1 tuning?
No. Stage 1 tuning is designed for vehicles in standard condition and does not normally require additional hardware modifications.
How much power can a Stage 2 remap produce?
With suitable supporting hardware upgrades, Stage 2 tuning can achieve up to 560HP and 750Nm.
What modifications are required for Stage 2 tuning?
Depending on the vehicle setup, Stage 2 may require an upgraded downpipe or sports catalyst, performance intake, upgraded intercooler and suitable exhaust modifications. Our team can advise on the required hardware.
Which ECU does the Audi RS4 B9 use?
The Audi RS4 B9 2.9 TFSI V6 BiTurbo uses the Bosch MG1CS002 ECU.
Can you tune the gearbox as well?
Gearbox tuning options may be available depending on the transmission and software fitted to your vehicle. Contact our team to confirm compatibility.
Will a remap affect servicing requirements?
We recommend keeping your Audi up to date with its servicing schedule. Regular oil changes, spark plug checks and general maintenance help support engine performance and reliability.
Do I need performance parts for a Stage 1 remap?
No. Stage 1 tuning is designed to work with the standard vehicle hardware when the vehicle is in suitable condition.
Can I upgrade my Audi exhaust system?
Yes. We offer performance exhaust upgrades and can advise on suitable options for your Audi RS4 B9.
Do you offer vehicle security upgrades?
Yes. We provide vehicle security solutions to help protect your Audi against theft and unauthorised access.
Can you offer Stage 3 tuning?
More extensive tuning may be possible depending on the engine, hardware and supporting modifications. Speak to our team to discuss your requirements.
Will my ECU need unlocking before remapping?
ECU access requirements can vary depending on the ECU software and vehicle version. We will check your ECU before tuning and advise whether any additional unlocking procedure is required.
BOOK YOUR AUDI RS4 B9 REMAP
Ready to improve the performance of your Audi RS4 B9?
Contact Onyx Performance to discuss your Stage 1 or Stage 2 remapping requirements, performance exhaust systems, styling enhancements or vehicle security solutions.
Call us now on 01753 439321 to speak to our team.
Opening Hours:
- Monday to Friday: 10AM – 6PM
- Saturday: 10AM – 3PM
Onyx Performance – Audi RS4 B9 Remapping and Performance Tuning in Slough, Berkshire.
