JB4 Group 6: EA888 Gen 3 The JB4 is a true user adjustable plug and play performance tuner for all MLB-based models in the VW Audi Group range. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more.

The unit can be used with our optional wireless JB4PRO Bluetooth connection providing for full in-car engine parameter display, map switching, and adjustment Support is also provided for the IS20 turbo upgrade providing for outputs past the 300hp level. The JB4 is a true user adjustable plug and play solution for all 252hp 4 cylinders from the VAG group.

Power Gains: Starting at 50bhp and 70ft-lb with 91 octane/95Ron with + 4.0psi boost over stock on the default setting with no further mapping. Up to 75bhp and 90ft-lb with bolt-on modifications, higher octane, and boost adjustment with optional wireless JB4PRO Bluetooth connection.

For more detailed information and user discussion, visit: https://www.jb4tech.com/forum/model-specific-engine-tuning-modification-discussion/vw-audi-group/19262- Wirelessly Connect to your JB4: Grab our all-new JB4 PRO smartphone connection to wirelessly connect the JB4 BMW tuner to your Bluetooth 4.0 compatible iOS or Android device. This option allows you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development.

Our new adapter fits fully inside the JB4 enclosure for enhanced weather protection and a more streamlined look. The JB4PRO Free app features an intuitive easy-to-use interface, help buttons, and advanced log analysis tools that can estimate the performance of your car and help identify any tuning concerns.