Description
The Burger Tuning Group 14 JB4 is the ultimate plug & play performance tuner for Audi B8/B8.5 EA888 Gen2 2.0T models, delivering up to 40whp on a stock vehicle. Unlike basic piggyback chips, the JB4 uses CANbus connectivity to integrate seamlessly with your factory ECU, providing advanced control over AFR, boost, timing, and fueling.
Equipped with boost-by-gear mapping, integrated water/meth control, and advanced safety systems to protect against overboost, lean AFR, and knock, the JB4 ensures performance gains without sacrificing reliability. Installation is quick, completely reversible, and requires no ECU flashing—keeping your vehicle’s factory programming intact.
JB4 Features & Benefits
- Gains of up to 40whp on stock vehicles
- Faster 0–60 mph and 1/4 mile times
- Preloaded with custom Audi EA888 Gen2 maps (up to 8 maps for various fuels & mods)
- Ethanol (E85) compatible tuning maps included
- Boost-by-gear control for improved traction
- Reads and deletes fault codes
- JB4 Mobile compatibility for wireless logging, tuning, and updates
- CANbus OBDII integration for unmatched tuning precision
- Runs as smoothly as stock and works with all driving modes
- Fuel economy unchanged in normal driving conditions
- Plug & Play installation—no cutting or splicing
- Not VIN-locked; removable and transferable
- Made in the USA with 5-year warranty
Vehicle Fitment
Audi:
- 2008–2015 B8/B8.5 A4 EA888 Gen2 2.0T
- 2008–2015 B8/B8.5 A5 EA888 Gen2 2.0T
- 2008–2015 B8/B8.5 Q3 EA888 Gen2 2.0T
- 2008–2015 B8/B8.5 Q5 EA888 Gen2 2.0T
What is a JB4?
The JB4 is a plug & play performance tuning system for turbocharged vehicles that connects between your engine sensors and ECU to optimize performance. With advanced CANbus integration, fuel and spark control, Bluetooth connectivity, and regular firmware updates, the JB4 delivers unmatched flexibility and power gains. Fully reversible, not VIN-locked, and backed by over a decade of proven results, it’s the gold standard in plug & play turbo tuning.
