Unlock superior performance for your BMW 3.0 Diesel Gxx. Experience massive torque gains and refined power delivery. Expertly installed at MGM Leeds with optional TCU tuning.
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Reimagine your driving experience with our bespoke ECU software for the BMW 3.0 Diesel Gxx platform. This recalibration is meticulously engineered to exploit the vast headroom in the B57 engine, delivering a transformative surge in power while maintaining the sophisticated smoothness of the G-Series chassis. Built for reliability and peak efficiency, it is the ultimate upgrade for the modern BMW enthusiast.

Exceptional Performance Features
- Substantial Power Gains: Unlocks significant BHP and Torque increases for effortless overtaking and acceleration.
- Enhanced Engine Cooling: Software-managed thermal control ensures consistent performance even under heavy load.
- Sharpened Throttle Response: Eliminates factory lag for a more direct and engaging connection to the engine.
- Improved Drivability: Refined calibration that enhances everyday comfort while providing a broader power band.
- MGM Leeds Expert Install: Precision application by our specialists in a controlled workshop environment.
Professional Installation Service
This high-performance software must be installed by professionals to ensure calibration integrity. Our team at MGM Leeds provides a full diagnostic health check before and after the installation to guarantee your vehicle's peak performance.
Choose Your Tuning Package
Tailor your BMW's output with our modular software options. Whether you are running stock hardware or have performance upgrades, we have a solution for you.
Stage 1 ECU Software
Perfect for stock vehicles. Delivers a massive jump in performance while staying safely within the tolerances of factory hardware.
Stage 2 ECU Software
For vehicles with supporting hardware modifications. Maximizes the flow and cooling efficiency of the 3.0 Diesel engine.
Engine & Transmission Optimization
For the ultimate BMW G-Series experience, we highly recommend pairing your engine remap with our TCU TUNE. This unlocks torque limits and optimizes shift points for the ZF8 transmission, ensuring the engine and gearbox work in perfect harmony.
Compatibility & Applications
This software is specifically developed for the BMW Gxx platform utilizing the 3.0 Diesel engine found in the 3 Series, 5 Series, and X-range models.

| Vehicle Model | Typical Gains (Stage 1) |
|---|---|
| BMW 330d / 530d (265hp) | Up to 325hp / 720Nm |
| BMW 335d / 535d (313hp) | Up to 380hp / 750Nm |
| BMW M40d / 540d (340hp) | Up to 400hp / 800Nm+ |
Important Note: This software is unique to the Gxx platform. To ensure you receive the correct calibration for your specific VIN, please contact the team at MGM Leeds with your vehicle details prior to purchase.
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