BMW M5 Saloon G90 Remapping and Tuning
Upgrade your BMW M5 Saloon 727HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire.
The BMW M5 Saloon G90 features a 4.4-litre S68 V8 plug-in hybrid powertrain, combining twin-turbocharged V8 performance with electric assistance. Our ECU remapping solutions are designed to enhance power delivery, torque and responsiveness while complementing the vehicle’s advanced hybrid drivetrain.
BMW M5 Saloon Performance Figures
Standard Performance
- Power: 727HP
- Torque: 1000Nm
Stage 1 Remap
- Power: 900HP
- Torque: 1100Nm
- Price: £999.00
Stage 2 Remap
- Power: 950HP
- Torque: 1175Nm
- Price: Call for a quote
Stage 2 tuning may require supporting hardware upgrades and compatibility checks, particularly due to the vehicle’s plug-in hybrid powertrain and integrated electronic systems. Contact our team to discuss the requirements for your BMW M5 Saloon.
Please note: Performance figures are indicative and may vary depending on vehicle condition, fuel quality, battery state, environmental conditions, software compatibility and supporting hardware modifications. Actual results may differ between vehicles.
Gearbox Tuning
Enhance your BMW M5 Saloon’s transmission performance with gearbox tuning designed to complement your engine remap. Depending on transmission and software compatibility, tuning may improve shift response and gear-change characteristics while taking the vehicle’s hybrid drivetrain into account.
- 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 tuning compatibility and the options available for your BMW M5 G90.
BEFORE TUNING
Before remapping your BMW M5 Saloon, we recommend ensuring the vehicle is in good mechanical condition and that all engine, transmission and hybrid-system diagnostics are clear. Any existing faults should be investigated and resolved before tuning.
Because the G90 uses a plug-in hybrid powertrain, ECU access and tuning compatibility should be confirmed against the specific vehicle software and hardware before work begins.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining the performance and reliability of your BMW M5 Saloon. Follow BMW’s maintenance guidance and ensure that engine oil, filters, spark plugs and other service items are appropriate for the vehicle and its driving conditions.
The hybrid system and high-performance drivetrain also require appropriate maintenance. Our team can discuss servicing considerations relevant to a tuned vehicle.
EXHAUST UPGRADES
An exhaust upgrade can complement your BMW M5 Saloon’s V8 character and enhance its sound. Available options depend on vehicle specification, compatibility and applicable road-use and emissions regulations.
Contact Onyx Performance to discuss suitable exhaust upgrades for your G90.
PERFORMANCE UPGRADES
Make the most of your BMW M5 Saloon with performance upgrades tailored to your goals. Depending on the tuning stage and intended output, supporting modifications may be required.
For this plug-in hybrid model, any proposed upgrades must be compatible with the engine management, hybrid systems and associated vehicle electronics. Our team can discuss the setup and compatibility checks required before recommending a suitable package.
STYLING AND BODY UPGRADES
Enhance the appearance of your BMW M5 Saloon with styling and body upgrades designed to complement its performance-focused design. Depending on availability and compatibility, options may include exterior styling components and other visual enhancements.
Contact Onyx Performance to discuss upgrades suitable for your G90.
VEHICLE SECURITY
Protect your BMW with suitable vehicle security solutions. We can discuss available security options to help improve protection against vehicle theft and unauthorised access, depending on compatibility with your vehicle.
Contact our team for advice on security upgrades suitable for your BMW M5 Saloon.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we provide performance tuning and vehicle upgrade solutions tailored to your vehicle and goals.
- Professional ECU tuning: Stage 1 and Stage 2 remapping options.
- Vehicle-specific advice: Recommendations based on your BMW’s specification and intended use.
- Compatibility checks: Important considerations for hybrid powertrains and integrated vehicle electronics.
- Performance upgrades: Guidance on supporting hardware and compatible modifications.
- Local expertise: Based in Slough, Berkshire, serving BMW owners looking to enhance their vehicles.
Our team can help you understand the available options and identify a suitable approach for your BMW M5 Saloon.
REMAPPING IN SLOUGH
Onyx Performance offers BMW remapping and performance tuning in Slough, Berkshire. Whether you’re considering a Stage 1 remap or exploring a Stage 2 setup, contact our team to discuss your requirements and confirm compatibility with your vehicle’s plug-in hybrid systems.
We can explain the available tuning options, indicative performance figures and any supporting hardware or software considerations before you book.
Frequently Asked Questions
How much power can a Stage 1 remap produce on the BMW M5 G90?
The supplied indicative Stage 1 figures are 900HP and 1100Nm, compared with the listed standard figures of 727HP and 1000Nm. Actual results depend on vehicle condition, software compatibility and operating conditions.
How much power can a Stage 2 remap produce?
The supplied indicative Stage 2 figures are 950HP and 1175Nm. Stage 2 tuning may require supporting hardware upgrades and additional compatibility checks. Contact us for a quote.
Do I need hardware upgrades for Stage 2 tuning?
Supporting modifications may be required depending on the intended setup and available tuning software. Compatibility with the G90’s hybrid drivetrain and electronic systems must be confirmed before proceeding.
Can I have the gearbox remapped as well?
Gearbox tuning depends on transmission software and vehicle compatibility. Contact us to confirm which gearbox tuning options, if any, are suitable for your BMW M5 G90.
Can I book a dyno session?
A dyno session is available for £120.00. Contact Onyx Performance to discuss suitability and booking arrangements for your vehicle.
Is Stage 3 tuning available?
Stage 3 setups generally involve more extensive supporting modifications and depend on the vehicle’s hardware and software configuration. Contact us to discuss feasibility and pricing for your BMW M5 Saloon.
Does my BMW require an ECU unlock?
ECU access requirements depend on the ECU hardware, software version and vehicle specification. The supplied ECU reference is Bosch MG1CS201 (common S68; verify ID), so the exact ECU identification and tuning access requirements should be confirmed for your individual vehicle before booking.
BOOK YOUR REMAP
Ready to enhance your BMW M5 Saloon G90? Contact Onyx Performance to discuss Stage 1 remapping, Stage 2 tuning, gearbox software and compatible supporting performance upgrades.
Our team can help you understand the available options and confirm the technical requirements for your vehicle before proceeding.
Contact Onyx Performance
Transform your BMW M5 Saloon G90 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!
