The JB4 for EA888 Gen 5 2.0 TSI engines delivers real gains-up to 40whp and 55wtq-on stock VW Tiguan 2025+ (201hp & 268hp) and Audi A5/Q5 2026+ (B10 platform). No coding, no VIN lock, no trace removal.
Plug & play via OEM connectors-fits straight out of the box
JB4 PRO Bluetooth included: switch maps, log data and update firmware wirelessly
8 preloaded maps, including E30-compatible, valet and boost-by-gear
Fully CANbus integrated: reads/clears faults, monitors knock, lean, overboost and temps
