Bentley Bentayga V8 4V Remapping and Tuning
Upgrade your Bentley Bentayga V8 4V 4.0 V8 BiTurbo 550HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire.
The Bentley Bentayga V8 features a 4.0-litre twin-turbocharged V8 petrol engine, combining luxury SUV comfort with strong performance and impressive torque. ECU tuning can be tailored to your vehicle and performance goals, with the aim of optimising power delivery, throttle response and drivability.
Bentley Bentayga V8 4V Performance Figures
Standard Performance
- Power: 550HP
- Torque: 770Nm
Stage 1 Remap
- Power: 650HP
- Torque: 850Nm
Stage 2 Remap
- Power: 700HP
- Torque: 920Nm
- Price: Call for a Stage 2 quote
Performance figures are indicative and may vary depending on vehicle condition, fuel quality, hardware modifications and individual vehicle specifications. Results are not guaranteed, and all modifications should be carried out with consideration for reliability, emissions compliance and road-use requirements.
Gearbox Tuning
Gearbox tuning can help optimise shift behaviour and improve the driving experience where a compatible transmission and control unit are supported. Availability depends on the vehicle’s gearbox configuration.
- Stage 1 Gearbox Remap: Contact for Price
- Stage 2 Gearbox Remap: Contact for Price
- Stage 3 Gearbox Remap: Contact for Price
BEFORE TUNING
Before tuning, we recommend ensuring your Bentley Bentayga V8 4V is in good mechanical condition. Any existing engine warning lights, fault codes or mechanical issues should be diagnosed and addressed before ECU remapping.
SERVICING AND MAINTENANCE
Regular servicing is essential for maintaining performance and reliability. We recommend keeping up with scheduled oil and filter changes, using suitable engine oil and maintaining the ignition system, cooling system and other key components according to the manufacturer’s recommendations.
EXHAUST UPGRADES
An exhaust upgrade can enhance the sound and character of your Bentley Bentayga V8 4V. Depending on the system selected, exhaust modifications may complement a broader performance package. Any exhaust changes should comply with applicable noise and emissions regulations.
PERFORMANCE UPGRADES
We can discuss suitable performance upgrades for your Bentley Bentayga V8 4V, depending on your goals and the condition of the vehicle. Potential options may include intake improvements, exhaust upgrades and other compatible hardware modifications. The suitability of each upgrade should be assessed before installation or tuning.
STYLING AND BODY UPGRADES
Enhance the appearance of your Bentley Bentayga V8 4V with styling options selected to complement its luxury SUV design and performance-focused character. Available options depend on the vehicle specification and the parts chosen.
VEHICLE SECURITY
Protect your vehicle with suitable security solutions. We can discuss available options based on your Bentley Bentayga V8 4V, your requirements and the systems compatible with your vehicle.
WHY CHOOSE ONYX PERFORMANCE?
At Onyx Performance, we focus on providing tailored vehicle tuning and performance solutions. Our team can help you understand the available remapping stages, discuss compatible upgrades and explain what to expect from a tuning package for your Bentley Bentayga V8 4V.
REMAPPING IN SLOUGH
Onyx Performance provides vehicle remapping and tuning services in Slough, Berkshire. If you’re looking to enhance the performance and drivability of your Bentley Bentayga V8 4V, contact our team to discuss your vehicle, tuning goals and available options.
Frequently Asked Questions
How much power can a Stage 1 remap add to my Bentley Bentayga V8 4V?
The supplied performance figures indicate an increase from 550HP and 770Nm to 650HP and 850Nm with Stage 1 tuning. Actual results can vary depending on vehicle condition and specification.
How much power can a Stage 2 remap produce?
The supplied Stage 2 figures are 700HP and 920Nm. Stage 2 suitability and any required hardware upgrades should be confirmed before tuning. Contact us for a Stage 2 quote.
Do I need hardware upgrades for Stage 2 tuning?
Hardware requirements depend on the tuning specification and the condition and configuration of your vehicle. We recommend discussing the proposed setup with our team before proceeding.
Can you remap the gearbox on my Bentley Bentayga V8 4V?
Gearbox tuning availability depends on the transmission and control unit fitted to your vehicle. Contact us to confirm compatibility and pricing.
Can I book a dyno session?
Dyno sessions are available for £120.00. Contact Onyx Performance to discuss availability and suitability for your vehicle.
Is Stage 3 tuning available?
Stage 3 tuning generally involves a more extensive performance package and may require supporting hardware upgrades. Availability depends on the vehicle and the proposed setup, so please contact us to discuss your requirements.
Does my ECU need unlocking before remapping?
ECU access requirements depend on the ECU version and the tuning method supported for your vehicle. The listed ECU is Bosch MG1CS008. We will need to verify the fitted ECU and access requirements before confirming the work.
BOOK YOUR REMAP
Ready to enhance your Bentley Bentayga V8 4V? Contact Onyx Performance to discuss Stage 1 remapping, Stage 2 options, gearbox tuning and supporting performance upgrades. We can help you understand the available options for your vehicle and arrange the next steps.
Contact Onyx Performance
Transform your Bentley Bentayga V8 4V 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!



