Unlock the full performance potential of your BMW S58-powered vehicle with the MHD Super Licence, professionally installed by Gridline Custom Motorsports. Designed specifically for the latest generation of BMW M vehicles, MHD delivers industry-leading ECU flash tuning while maintaining OEM safety strategies, factory drivability and advanced engine protection.

Unlike piggyback tuning systems, MHD performs a complete recalibration of the factory DME, providing increased power, sharper throttle response and advanced tuning capabilities while retaining the factory safeguards engineered by BMW.

Whether you're running a completely stock vehicle or a fully built S58, the MHD Super Licence gives you complete control over your tune with professional-grade flashing, monitoring, data logging and MHD+ performance features.

At Gridline Custom Motorsports, every MHD licence is professionally supplied and configured by experienced BMW performance specialists, ensuring your vehicle is set up correctly and ready to perform safely.

Why Choose the MHD Super Licence?

The MHD Super Licence combines every available MHD software package into one comprehensive solution, giving you complete control over your vehicle's tuning and monitoring.

Included with the Super Licence:

• MHD Flasher Licence
• MHD Monitor Licence
• All MHD Off-The-Shelf (OTS) Performance Maps
• Full MHD+ Performance Features

MHD Flasher Licence

The Flasher Licence allows your BMW S58 to be programmed using:

• MHD OTS Performance Maps
• Custom Dyno Tunes
• JB4 Backend Maps

Standard Features

• Industry-leading flash times
• Approximately 3.5-minute initial flash
• Approximately 20-second map switching
• Return your vehicle to the factory calibration at any time
• Read and clear diagnostic fault codes
• Reset engine adaptations
• Stage 0 (Factory) calibration

Flash Options

Personalise your driving experience with configurable features including:

• Adjustable exhaust burble
• Cold start noise reduction
• Exhaust flap control
• Shift Brap (G8x models)
• Top speed limiter removal
• Additional configurable performance features

MHD+ Advanced Features

The MHD Super Licence unlocks a range of exclusive performance technologies developed specifically for high-performance BMW applications.

On-the-Fly Map Switching

Store up to four individual map configurations and instantly switch between them for different fuel types or driving conditions.

Ideal for:

• Pump fuel
• Ethanol blends
• Reduced power valet mode
• Daily driving
• Track days

Anti-Lag

Generate boost pressure while stationary for improved launch performance. Built-in safety strategies protect the engine by monitoring coolant temperature, operating time and system cooldown periods.

Adjustable Burble Settings

Configure different exhaust burble settings for each individual map profile.

Live Exhaust Valve Control

Choose between:

• Always Open
• Always Closed
• OEM Factory Operation

Ethanol Content Display

View live ethanol content when used with a compatible ethanol content sensor.

Advanced Motiv ReFlex Integration

Complete CANBUS integration provides advanced custom tuning capabilities including:

• Port Injection Control
• External Wastegate Control
• Additional Fuel Pump Control
• Nitrous Control
• Advanced Engine Safety Strategies

Additional MHD+ Features

• Cold Start Control
• No Lift Shift (Manual Vehicles)
• Custom TCU Limiter Removal
• KnockCEL Warning System
• MHD MaxCool Cooling Strategy
• Real-Time Live Tuning (Supported Custom Tunes)

MHD Monitor Licence

The MHD Monitor Licence transforms your mobile device into a professional diagnostic and data logging tool.

Features include:

• Up to 8 fully customisable gauges
• Over 50 live engine parameters
• High-speed data logging
• CSV export for tuner analysis
• Built-in log viewer

Monitor important engine parameters including:

• Boost Pressure
• Boost Target
• Lambda / AFR
• Intake Air Temperature (IAT)
• Ignition Timing
• Coolant Temperature
• Oil Temperature
• Oil Pressure
• High Pressure Fuel Pressure
• Transmission Temperature
• RPM
• Vehicle Speed
• Wastegate Duty Cycle
• Exhaust Gas Temperature

S58-equipped vehicles also benefit from advanced 8HP transmission logging, allowing detailed monitoring of clutch performance, transmission slip, torque converter operation and other critical drivetrain data.

Included MHD OTS Performance Maps

Every Super Licence includes access to the complete range of professionally developed MHD Off-The-Shelf (OTS) calibrations.

Stage 1

Designed for completely stock vehicles.

Compatible with:

• 91 Octane
• 93 Octane
• 95 / 102 RON
• E40 Blends
• Full E85 (where supported)

Performance: Up to approximately 700 HP

Stage 2

Designed for vehicles fitted with supporting bolt-on performance modifications.

Compatible with:

• 91 Octane
• 93 Octane
• 95 / 102 RON
• E40 Blends
• Full E85

Performance: Up to 800+ HP (Supporting hardware required)

Supported BMW Models

Compatible with:

• BMW M2 G87
• BMW M3 G80
• BMW M3 Touring G81
• BMW M4 G82
• BMW M4 Convertible G83
• BMW X3M F97
• BMW X4M F98

DME Unlock Requirements

Many late-model BMW vehicles require a DME (ECU) unlock before OBD flash tuning can be performed.

If your vehicle requires unlocking, Gridline Custom Motorsports offers a same-day ECU unlock service for eligible vehicles, allowing you to get back on the road and enjoying your new tune with minimal downtime.

Our experienced team can:

• Verify whether your vehicle requires a DME unlock
• Complete a same-day ECU unlock (subject to eligibility and availability)
• Supply and professionally install your MHD licence
• Configure your vehicle for optimal performance

Contact Gridline Custom Motorsports today to discuss your vehicle, check availability, or obtain a quote for our ECU unlock service. Alternatively, you can view our ECU Unlock product page for current pricing and additional information.

Professional Supply & Installation by Gridline Custom Motorsports

Unlike purchasing an MHD licence online and attempting installation yourself, Gridline Custom Motorsports provides professional supply, setup and installation by experienced BMW tuning specialists.

Our team can:

• Verify vehicle compatibility
• Confirm DME unlock requirements
• Supply genuine MHD licences
• Install and configure your chosen tune
• Ensure the software is correctly loaded
• Provide technical support and ongoing advice

Our goal is to ensure your BMW performs exactly as intended while maintaining the highest standards of reliability and drivability.

Why Choose Gridline Custom Motorsports?

When you purchase your MHD Super Licence through Gridline Custom Motorsports, you're backed by genuine BMW performance specialists who understand the S58 platform.

✔ Genuine MHD Software Licence
✔ Professional Installation & Configuration
✔ BMW Performance Specialists
✔ Technical Support Before & After Installation
✔ Assistance with DME Unlock Requirements
✔ Performance Advice Tailored to Your Build
✔ Australian-Based Support

Disclaimer

Performance tuning is intended for off-road, motorsport or track use where permitted by law. Power figures quoted are estimates and may vary depending on vehicle condition, supporting modifications, fuel quality and environmental conditions.

Some vehicles require a DME unlock prior to flashing. Please contact Gridline Custom Motorsports before purchasing if you are unsure of your vehicle's compatibility.