BMW X5 M50d G05 Remapping and Tuning
Upgrade your BMW X5 M50d G05 400HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our performance remapping services are designed to enhance power, torque, throttle response and overall driving performance while maintaining a smooth and enjoyable driving experience.
Powered by BMW’s 3.0-litre B57 QuadTurbo diesel engine, the X5 M50d delivers impressive torque and strong acceleration alongside everyday SUV practicality. A professional ECU remap can unlock additional performance from this high-output diesel engine, improving mid-range response and pulling power.
BMW X5 M50d Performance Figures
Standard Performance
- Power: 400HP
- Torque: 760Nm
Stage 1 Remap
- Power: 455HP
- Torque: 850Nm
- Price: £399.00
Stage 2 Remap
- Power: 475HP
- Torque: 880Nm
- Price: Call for a Stage 2 quote
All performance figures are indicative and may vary depending on the vehicle’s model year, engine specification, fuel quality, condition and modifications. Results are not guaranteed and should be confirmed against your specific vehicle.
Gearbox Tuning
Enhance your BMW X5 M50d’s transmission performance with professional gearbox tuning. A gearbox remap can improve shift response, optimise gear changes and help the transmission manage increased torque, where supported by the vehicle’s gearbox software.
- Stage 1 Gearbox Remap: Contact for Price
- Stage 2 Gearbox Remap: Contact for Price
- Stage 3 Gearbox Remap: Contact for Price
BEFORE TUNING
Before remapping your BMW X5 M50d, we recommend checking that your vehicle is in good mechanical condition. Any existing engine warning lights, fault codes or running issues should be diagnosed before tuning.
Our team can discuss your vehicle’s condition, intended performance goals and suitability for remapping before work begins. Due to the high torque output of the M50d engine, the condition of the turbocharging system, cooling system and drivetrain should be considered before increasing performance.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining performance and reliability. We recommend following BMW’s maintenance schedule and ensuring the engine oil, filters, air intake, turbocharging system and relevant emissions components are in suitable condition before tuning.
Vehicles used for spirited driving or running higher performance levels may require more frequent maintenance. Correct servicing helps support consistent performance and long-term engine health.
EXHAUST UPGRADES
An upgraded exhaust system can complement your BMW X5 M50d’s performance upgrades and enhance its character. Depending on your requirements, available options may include suitable performance exhaust components and related upgrades.
All exhaust modifications should comply with applicable road-use, emissions and noise regulations. Emissions-control equipment should remain compliant with the requirements applicable to your vehicle.
PERFORMANCE UPGRADES
Support your BMW X5 M50d remap with carefully selected performance modifications. Depending on the desired power level, possible upgrades may include:
- Improved charge-air cooling
- Intake system servicing or upgrades
- Turbocharger inspection and supporting hardware
- Cooling system enhancements where required
- Transmission and drivetrain condition checks
- Appropriate servicing of engine and emissions systems
Stage 2 tuning requires a vehicle-specific assessment and may require supporting hardware. Contact Onyx Performance to discuss the modifications and setup appropriate for your target power.
STYLING AND BODY UPGRADES
Personalise your BMW X5 M50d with styling enhancements that complement its sporty SUV design. Options may include exterior styling components, wheel upgrades and other appearance modifications, subject to vehicle compatibility and availability.
VEHICLE SECURITY
Protect your BMW with suitable vehicle security solutions. We can discuss available security enhancements based on your vehicle, its existing equipment and your requirements.
WHY CHOOSE ONYX PERFORMANCE?
- Professional ECU remapping and performance tuning
- Stage 1 and Stage 2 tuning options
- Vehicle-specific performance advice
- Gearbox tuning options, subject to compatibility
- Performance, exhaust, styling and security solutions
- Based in Slough, Berkshire
Our aim is to help you choose a suitable upgrade for your BMW X5 M50d, with clear advice on expected results, supporting modifications and vehicle suitability.
REMAPPING IN SLOUGH
Onyx Performance provides professional vehicle remapping in Slough, Berkshire. Whether you want stronger everyday acceleration or are planning a more comprehensive performance build, our team can discuss the available options for your BMW X5 M50d G05.
Contact us to confirm compatibility, arrange an assessment and discuss the most suitable remapping package for your vehicle.
Frequently Asked Questions
How much power can a Stage 1 remap add to my BMW X5 M50d?
The indicative Stage 1 figures are up to 455HP and 850Nm, compared with the listed standard output of 400HP and 760Nm. Actual results depend on your vehicle’s specification and condition.
How much power can a Stage 2 remap produce?
The indicative Stage 2 target is 475HP and 880Nm. Stage 2 tuning may require supporting hardware and a vehicle-specific assessment. Contact us for a quote.
Do I need hardware upgrades for Stage 2 tuning?
Stage 2 requirements depend on the chosen calibration and vehicle setup. Supporting modifications may be necessary, so we recommend confirming the required hardware with our team before proceeding.
Can I have the gearbox remapped as well?
Gearbox tuning may be available depending on the transmission and software compatibility. Stage 1, Stage 2 and Stage 3 gearbox options are available by enquiry.
Can I book a dyno session?
Dyno sessions are available for £120.00. Contact us to confirm availability and suitability for your vehicle.
Is Stage 3 tuning available for the BMW X5 M50d?
Stage 3 builds generally require more extensive hardware changes and a bespoke assessment. Contact Onyx Performance to discuss your target power and the modifications required.
Does my BMW need an ECU unlock?
ECU access requirements vary by model year, ECU software version and vehicle configuration. The listed ECU is Bosch MD1CP002, but the exact ECU identification and any unlock requirements should be verified using your vehicle’s VIN and ECU details before booking.
BOOK YOUR REMAP
Ready to upgrade your BMW X5 M50d G05? Contact Onyx Performance to discuss Stage 1 remapping, Stage 2 tuning, gearbox tuning and supporting performance modifications.
Stage 1 Remap: £399.00
Stage 2 Remap: Call for a quote
Dyno Session: £120.00
Contact Onyx Performance
Transform your BMW X5 M50d G05 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!
