JB4 Tuner For 2017-2021 Audi A4, A5, A6, Q5, Q7 (2.0T Only) - Burger Tuning

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 JB4 Bluetooth Connect kit 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 the optional Data Cable or Smart Phone Wireless co