JB4 Tuner for Audi A3 8V/ A4 B9/ A5 B9 (2.0T Only) - Burger Tuning

Audi A3 8V, A4 B9, A5 B9 Performance Tuner JB4 Group 8 The JB4 is a plug and play Audi tuner that plugs into easy access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance.  Minimum power gains of 30whp and 45ft lb on 91AKI/95Ron No ECU flash needed and compatible with locked 🔒 ECUsUnlike other tuning systems, the JB4 includes a fully programmable CANbus system, at-home upgradable firmware, and data logging capability. CANbus allows the JB4 to access engine data to take into account pedal input, throttle position, gear, engine speed, air/fuel ratio, fuel trims, ignition advance, knock, and many other factors and incorporate those into the performance mapping. It can also read/delete fault codes, incorporate uniq