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ECU Unlock & Bench tuning for INEOS Grenadier B57 & B58
Register your interest now to get first in line for our latest development ECU unlock with full tuning capability.
ETA DEC 2025
GRENX PERFORMANCE ECU RE-CALIBRATION
Command Every Kilowatt — Drive Beyond Stock Limits
The GrenX ECU Recalibration transforms your vehicle’s factory brain into a high-performance powerhouse. By precisely remapping the engine management system, GrenX engineers unlock serious gains in horsepower, torque, and throttle response — all without compromising safety or drivability.
No switches, no gimmicks — just raw, optimized power engineered for real-world conditions. Whether you’re hauling across highways, carving mountain passes, or crawling through rocky terrain, you’ll feel the GrenX difference every time you hit the throttle.
Built on GrenX’s proprietary calibration architecture, this tuning system delivers measurable results while maintaining factory-grade reliability and refined drivability.
WHAT YOU’LL EXPERIENCE
- Power, Everywhere – Linear horsepower delivery from idle to redline, not just a peak number.
- Torque That Stays On Tap – Broader torque curve for towing, overtaking, and technical off-road control.
- Precision Calibration – Custom performance stages matched to your vehicle setup and fuel type.
- Razor-Sharp Response – Minimal lag, instant acceleration, and crisp pedal feedback.
- Smart Efficiency – Adaptive mapping that improves economy during light throttle and cruising.
- Adventure-Ready Tuning – Enhanced throttle modulation and torque control for sand, mud, and steep climbs.
B58
Stage 1 350HP
Stage 2 440HP
Stage 3 Coming 2026
B57
Stage 1 TBA
Stage 2 TBA
Your ECU must be sent to the GrenX Tuning Lab for unlocking and calibration.
Turnaround time: Approximately 10 business days.
Couldn't load pickup availability
Pickup available at GrenX Mordialloc
Usually ready in 24 hoursPairs well with
ECU Unlock & Bench tuning for INEOS Grenadier B57 & B58
Discover the Bold New Look of the Ineos Grenadier
EXPLORE EVERY ACCESSORY
Grenadier is built on purpose to be rugged, durable, and seriously capable. Now it’s your turn. Time to make it your own with our range of Grenadier accessories. Whatever your purpose, here are the tools to get the job done.
MORE RUGGED. MORE CAPABLE. MORE FUN
FAQs
Please read our FAQs page to find out more.
What types of accessories are available for the INEOS Grenadier?
We offer a wide range of accessories for the INEOS Grenadier, including exterior enhancements, interior upgrades, performance parts, storage solutions, and safety equipment. Our collection is designed to enhance both the functionality and aesthetics of your vehicle.
Are the accessories compatible with all INEOS Grenadier models?
Yes, our accessories are specifically designed to be compatible with all models of the INEOS Grenadier. Please check the product details for any specific model year requirements or limitations.
Do you offer installation services for the accessories?
Yes, we provide professional installation services for all our accessories. You can schedule an appointment with our certified technicians to ensure proper installation and optimal performance.
How can I place an order for INEOS Grenadier accessories?
You can place an order directly through our website. Simply browse the accessories section, select the items you want, and proceed to checkout. For assistance, you can also contact our customer service team.
Do the accessories come with a warranty?
Yes, all our INEOS Grenadier accessories come with a manufacturer's warranty. The warranty period and coverage details vary by product. Please refer to the product page or contact us for specific warranty information.