Disclaimer: Modifying your vehicle’s engine management system carries inherent risks. Always operate within safe mechanical limits and comply with local emissions laws. The author and publisher assume no liability for damage or injury resulting from the use of this software.
: Download the latest HEX firmware files from official sources like JB4tech to unlock new features and performance improvements. jb4 windows software
Upload your .csv to for easy graphing and sharing with the community. jb4 windows software
Go to the official Burger Motorsports website → “Support” → “JB4 Software and Firmware.” Download the latest JB4 Interface for Windows (usually a .zip file named JB4_Interface_vX.X.zip ). jb4 windows software
Firmware updates add support for new model years, fix bugs, or enable features like anti-lag or flex fuel. To update: