Unlock your VW or Audi EA888 Gen 5 2.0T with the JB4 plug and play tuning box from Nforcd. Working alongside the factory ECU, the JB4 optimises boost, ignition and fuelling to deliver sharper throttle response, reduced turbo lag and serious real-world performance. On a stock vehicle, gains of up to 40whp and 55wtq to the wheels are achievable, all while retaining factory drivability and safety systems.
- Full CANbus integration with data logging, fault code read and clear, plus advanced safety strategies including temperature-based boost control and protection for knock, lean and overboost conditions
- Preloaded EA888 Gen 5 mapping with up to 8 selectable maps including stock and valet, Map 1 around +4psi over stock, and options for higher octane fuels and E85 blends up to E30
- JB4 PRO Bluetooth included for wireless control, logging and firmware updates via the free iOS or Android app
- Boost by gear for improved traction and launches, smooth OEM-like operation and compatibility with all driving modes
- Quick plug and play install, not VIN locked and removable without trace, housed in a rugged billet aluminium enclosure
- Designed and assembled in the USA with a 5 year warranty
Vehicle fitment
Volkswagen: 2025+ Tiguan 201hp, 2025+ Tiguan 268hp
Audi: 2026+ B10 A5, 2026+ B10 Q5
Nforcd knows the JB4 platform inside out and it remains a popular aftermarket upgrade for the latest EA888 Gen 5 2.0 TSI engines. Order with confidence or contact us for advice on map selection and setup. Prefer professional installation? Fitting is available at Nforcd in Warwickshire. Request a fitting quote via Sales@nforcd.com.




