BMW M5 (F90) Remapping and Tuning – Competition & Non-Competition Models
Unlock the Full Potential of Your BMW M5 (F90) with Onyx Performance
Take your BMW M5 (F90) to the next level with Onyx Performance, based in Slough, Berkshire, just outside West London. Whether you own the standard 600HP model or the 617HP Competition version, our custom ECU and gearbox remapping delivers exhilarating performance gains while maintaining long-term reliability.
Our bespoke tuning solutions are expertly tailored for the S63B44T4 twin-turbo V8 engine, optimising throttle response, turbo efficiency, and driving dynamics.
BMW M5 (F90) Stage 1 & Stage 2 – Power Gains
Stage 1 – ECU Remap (Stock Hardware)
Ideal for a significant performance boost with no hardware modifications.
- Stock Power (Standard Model): 600HP / 750Nm
- Stock Power (Competition Model): 617HP / 750Nm
- Stage 1 Power: 720HP / 900Nm
✔ Faster turbo spool and sharper throttle response
✔ Optimised fuel & ignition maps for better efficiency
✔ No additional hardware required
🔧 Hardware Required: None
Stage 2 – ECU & Gearbox Remap (With Upgraded Hardware)
For those looking to maximise performance with key hardware upgrades.
- Stage 2 Power: 780HP / 1000Nm
✔ Explosive acceleration with enhanced torque delivery
✔ Improved cooling and airflow for sustained power
✔ Optimised boost pressure and turbo efficiency
🔧 Required Hardware Upgrades:
- Decat Downpipe or High-Flow Sports Catalyst
- Upgraded Air Intake System
- Larger Intercooler
- Onyx Stage 2 Gearbox Software (Recommended for improved shift speeds)
💡 Looking for Even More Power?
For extreme enthusiasts, our Stage 3 packages offer: ⚡ Hybrid turbo upgrades
⚡ Methanol injection for better cooling and power gains
⚡ High-pressure fuel pumps for increased fueling capacity
📞 Call us on 01753 439321 to discuss your performance goals!
Why Choose Onyx Performance for BMW M5 (F90) Tuning?
✔ Dyno-Tuned ECU & Gearbox Mapping – Proven, measurable power gains.
✔ Custom ECU Calibration – Tailored to your driving style.
✔ Before & After Performance Printouts – Real results you can see.
✔ Data Logging & Smoke Tests – Ensuring reliability and safety.
✔ Optional Features: Overrun crackles, speed limiter removal, fault code deletes.
📞 Book your BMW M5 remap today: 01753 439321
Exhaust Upgrades for BMW M5 (F90)
Unleash the sound and performance of your M5 with our high-performance exhaust options:
🔧 Decat Downpipes – Maximum power and aggressive sound
🔧 High-Flow Sports Catalysts – Improved exhaust flow, emissions compliant
🔧 Cat-Back Exhaust Systems – Deeper, throatier sound
🔧 Resonator Deletes – Adds an aggressive tone without excessive drone
📞 Call us now: 01753 439321 to discuss exhaust options.
Servicing & Maintenance for BMW M5 (F90)
Ensure your BMW M5 remains at its peak with our expert services:
🔧 Routine Servicing – Oil changes, filters, and fluid checks
🔧 Brake Repairs & Upgrades – OEM or high-performance kits
🔧 Suspension Maintenance – For sharper handling and ride quality
🔧 Diagnostics & Repairs – Advanced fault detection and preventative maintenance
📞 Book your service today: 01753 439321
Styling, Performance Upgrades & Vehicle Security
Elevate your M5 with styling enhancements, performance upgrades, and state-of-the-art security solutions:
🎨 Styling Upgrades:
- Carbon Fibre Aero Kits – Aggressive styling and improved aerodynamics
- Lowering Springs & Coilovers – Better stance and handling
- Big Brake Kits – Enhanced stopping power for track and road use
🔒 Vehicle Security:
- Autowatch Ghost Immobilisers – Prevents key cloning and theft
- MetaTrak & Scorpion Trackers – GPS tracking with alerts
- Fleet Trackers – Monitor multiple vehicles with ease
📞 Call us now: 01753 439321 for more details!
10 Frequently Asked Questions About BMW M5 (F90) Tuning
1️⃣ How much power can Stage 1 deliver?
✅ 720HP & 900Nm without any hardware upgrades.
2️⃣ What upgrades are required for Stage 2?
✅ Decat downpipe, upgraded intake, intercooler, and gearbox software.
3️⃣ Will remapping affect reliability?
✅ No, provided proper servicing and recommended upgrades are maintained.
4️⃣ How long does the remapping process take?
✅ Stage 1: Same day, Stage 2: Longer due to hardware installations.
5️⃣ Will tuning void my warranty?
✅ Yes, but we offer reversible tuning if needed.
6️⃣ Can I return my car to stock settings?
✅ Yes, factory ECU settings can be restored.
7️⃣ Does Stage 2 make the exhaust louder?
✅ Yes, especially with a decat downpipe or high-flow catalyst.
8️⃣ Do you offer finance options?
✅ Yes, flexible finance plans are available over 4 monthly payments.
9️⃣ Where are you located?
✅ Slough, Berkshire, near West London.
How do I book my M5 tuning?
✅ Call 01753 439321 today!
📞 Contact Onyx Performance Today
📍 Visit us in Slough, Berkshire
📅 Opening Hours: Monday–Friday: 10 AM–6 PM | Saturday: 10 AM–3 PM
📞 Phone: 01753 439321
📧 Email: info@onyxperformance.co.uk
🚗 Unleash the true potential of your BMW M5 (F90) with Onyx Performance! 🚗
