BMW F80 M3 & F82/F83 M4 (S55) Remapping & Performance Upgrades – Onyx Performance
Onyx Performance offers expertly developed BMW F80 M3 & F82/F83 M4 S55 Custom Engine and Gearbox software, tailored to deliver maximum performance gains while maintaining reliability. Our in-house tuning is extensively tested on our 4WD Dyno, ensuring optimal power delivery and efficiency.
Our Stage 1 remap is designed for vehicles with stock hardware, providing a significant increase in power and torque while maintaining factory reliability.
Our Stage 2 remap is developed for vehicles with engine and exhaust modifications, which we supply and install in-house at Onyx Performance HQ for optimum performance.
Onyx Performance – BMW M3/M4 S55 Remap Service Includes:
✔ Rolling Road (Dyno) Session – Accurately measuring power before and after tuning
✔ Data Logging – Real-time monitoring to optimise performance
✔ Before and After Printouts – Visual representation of performance gains
✔ Engine Smoke Test – Detecting potential boost or vacuum leaks
✔ Sports Displays Recalibrated – Adjusted to reflect new power levels
✔ Catalyst Efficiency Fault Code Delete (OPTIONAL) – For modified exhaust systems
✔ Sport Mode Overrun Crackles (OPTIONAL) – Customisable for a more aggressive exhaust tone
✔ Speed Limiter Removal – Unlocking the vehicle’s full potential
✔ Optional ‘Cold Start Delete’ – Reducing unnecessary noise during startup
✔ Comprehensive Diagnostic Check – Ensuring the vehicle is in optimal condition pre-tune
BMW M3/M4 S55 Stage 2 Requirements
For Stage 2 tuning, the following hardware upgrades are recommended to optimise performance and reliability:
? Decat Downpipe or High-Flow Sports Catalyst – Improves exhaust flow and enhances turbo efficiency
? Upgraded Air Filter – Increases airflow for improved combustion efficiency
? Larger Intercooler – Maintains lower intake temperatures for consistent performance
? Onyx Performance Stage 2 Gearbox Software – Enhances shift speed, torque delivery, and throttle response
BMW M3/M4 S55 Expected Performance Gains
✔ Stock Power: 450HP – 550Nm
✔ Stage 1 Remap: 520HP – 750Nm
✔ Stage 2 Remap: 550-580HP – 770-810Nm*
*Figures may vary based on modifications and vehicle condition.
After applying Stage 1+ M3/M4 S55 software with the matching modifications, we achieved 522HP and 782Nm torque, significantly improving power delivery and drivability.
Why Choose Onyx Performance?
? BMW Tuning Specialists – Years of experience tuning high-performance BMWs
? Dyno-Proven Results – Every remap is tested in-house for accuracy and reliability
? Bespoke Tuning Solutions – Custom remaps tailored for maximum power and drivability
⚙ Enhanced Performance & Reliability – Delivering optimal power while preserving engine integrity
? Advanced Diagnostics & Testing – Comprehensive checks to ensure your BMW is in perfect condition
Book Your BMW M3/M4 Remap Today!
? Visit Onyx Performance in Slough, Berkshire – The trusted BMW tuning experts. Whether you’re looking for Stage 1 or Stage 2 tuning, we provide the expertise and technology to unlock the full potential of your BMW M3 or M4.
? Contact us today to book your remap or discuss available tuning options!
? Unleash the true performance of your BMW M3 or M4 with Onyx Performance! ?