Description
The Burger Tuning Group 15 JB4 is the most advanced plug & play performance tuner available for Audi EA825 4.0TT and Lamborghini Urus platforms, delivering up to 120whp and 160wtq on higher octane or E85, and 70whp / 100wtq on pump gas.
Featuring full CANbus integration via the OBDII port, the JB4 goes beyond simple boost control—incorporating advanced safety systems, electronic wastegate control for precise boost targeting, ethanol fuel mapping, and diagnostic capabilities. This is not a generic tuning box; it’s a comprehensive performance system designed specifically for Audi’s high-performance twin-turbo V8 and Lamborghini’s super SUV platform.
Installation is quick, fully reversible, and requires no ECU flashing, making it ideal for leased vehicles or those who want to retain factory programming.
JB4 Features & Benefits
- Power gains up to 120whp / 160wtq on E85 or higher octane
- Gains of 70whp / 100wtq on pump gas
- Faster 0–60 mph and 1/4 mile potential deep into the 10s
- 8 preloaded custom Audi/Lamborghini EA825 maps for various fuels & mods
- Ethanol (E85) compatible tuning maps included
- Boost-by-gear mapping for optimal traction
- Reads and deletes fault codes
- CANbus OBDII integration for advanced tuning precision and safety
- JB4 Mobile compatibility for wireless logging, map switching, and firmware updates
- Works with all driving modes and runs as smoothly as stock
- No change to fuel economy during normal driving
- Rugged billet aluminum JB4 enclosure included
- Plug & Play installation—no splicing or ECU flashing
- Not VIN-locked; easily removable and transferable
- Made in the USA with a 5-year warranty
Vehicle Fitment
Audi:
- 2024+ C8 RS6 Performance
- 2024+ C8 RS7 Performance
- 2020+ C8 RS6
- 2019+ C8 RS7
- 2020+ SQ7
- 2020+ SQ8
- 2019+ RS Q8
- 2019+ S8
Lamborghini:
-
2018+ Urus
What is a JB4?
The JB4 is a plug & play tuning system for turbocharged vehicles that connects between your engine’s sensors and ECU to deliver significant performance gains. With CANbus integration, boost, fuel, and spark control, Bluetooth connectivity, and ongoing free firmware updates, the JB4 remains the gold standard in performance piggyback tuning. Fully reversible and not VIN-locked, it’s as easy to remove as it is to install, making it a perfect upgrade for high-performance daily drivers and weekend track cars alike.