Plug-and-play installation: Enables quick and easy setup without additional modifications
Supports up to 350hp to the wheels: Maximizes engine performance for extreme driving conditions
Multiple performance maps and real-time selection: Allows on-the-fly tuning for different fuel, modification, and driving scenarios
Bluetooth and CANbus connectivity: Enables smartphone and OBDII-based data logging, analysis, and firmware updates
Vin-locked system with easy removal: Allows seamless transfer between vehicles and resale without trace
Summarized by Shop
Up to 80hp to the wheels (100hp crank) on a completely stock car, up to 160hp to the wheels on factory turbos, or up to 350hp to the wheels on a fully modified car with larger turbo(s)? The JB4 includes a simple plug and play installation harness and is compatible with all ECU versions and transmission types. It's everything you need to
Compatible Engines
BMW N54 (turbocharged, 1.8T)
Maximum Power Output
Up to 350hp to the wheels (fully modified, larger turbo)
Maximum Torque
Up to 100Tq to the wheels (stock, factory turbo)
Supported Fuel Types
91 octane or better, ethanol (E85) compatible
Installation
Plug-and-play, no additional modifications required