BMW M2 Competition (S55) Remapping & Performance Upgrades – Onyx Performance
Onyx Performance offers expertly developed BMW M2 Competition S55 Custom Engine and Gearbox software, designed to maximise performance while maintaining reliability. Our in-house tuning is extensively tested on our 4WD Dyno, ensuring optimal power delivery, throttle response, and efficiency.
Our Stage 1 remap is specifically designed for vehicles with stock hardware, offering a substantial 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 results.
Onyx Performance – BMW M2 Competition S55 Remap Service Includes:
✔ Rolling Road (Dyno) Session – Precisely measuring power before and after tuning
✔ Data Logging – Real-time monitoring to optimise performance
✔ Before and After Printouts – Providing a clear comparison of performance gains
✔ Engine Smoke Test – Identifying potential boost or vacuum leaks
✔ Sports Displays Recalibrated (OPTIONAL) – Adjusted to reflect the new power output
✔ Catalyst Efficiency Fault Code Delete (OPTIONAL) – Suitable for modified exhaust systems
✔ Sport Mode Overrun Crackles (OPTIONAL) – Enhancing exhaust note for a sportier sound
✔ Speed Limiter Removal – Unlocking the full potential of your M2 Competition
✔ Optional ‘Cold Start Delete’ – Reducing unnecessary startup noise
✔ Comprehensive Diagnostic Check – Ensuring your vehicle is in top condition before tuning
BMW M2 Competition (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 – Reduces backpressure for improved turbo efficiency
? Upgraded Air Filter – Enhances airflow for more efficient combustion
? Larger Intercooler – Lowers intake temperatures for consistent power delivery
? Onyx Performance Stage 2 Gearbox Software – Improves shift speeds and torque management
BMW M2 Competition (S55) Expected Performance Gains
✔ Stock Power: 410HP – 520Nm
✔ Stage 1 Remap: 500-510HP – 690Nm
✔ Stage 2 Remap: POA*
*Figures may vary depending on modifications and vehicle condition.
Why Choose Onyx Performance?
? BMW Tuning Specialists – Years of experience tuning high-performance BMW models
? Dyno-Tested Results – Every remap is tested in-house for accuracy and reliability
? Bespoke Tuning Solutions – Custom tuning tailored to maximize power and drivability
⚙ Enhanced Performance & Reliability – Delivering safe and consistent power increases
? Advanced Diagnostics & Testing – Comprehensive pre- and post-tuning health checks
Book Your BMW M2 Competition Remap Today!
? Visit Onyx Performance in Slough, Berkshire – The trusted BMW tuning specialists. Whether you’re looking for Stage 1 or Stage 2 tuning, we provide expert tuning solutions to unlock the full potential of your BMW M2 Competition.
? Contact us today to book your remap or discuss available tuning options!
? Unleash the full power of your BMW M2 Competition with Onyx Performance! ?