Get more power, torque, and responsiveness with the Mini Cooper JB4 – Software, made for B38, B46, and B48 engines. This plug-and-play tuning system offers real-time map switching, data logging, and fine-tuned performance without sacrificing drivability. Ideal for enthusiasts, the JB4 boosts output while maintaining factory safety features. Easy to install and update, it’s a smart investment for performance and reliability. Unlock your Mini’s full potential with the powerful and flexible JB4 software tuning solution.