VW Golf 7 EA211 1.4L TSI JB4 Tuner

Plug-and-play JB4 tuner for EA211 1.4L TSI engines in Mk7 Golf and Jetta. No ECU flashing, no VIN lock - fully reversible and safe.

• Up to +40 bhp & +60 lb-ft torque on 91+ RON fuel - smooth, daily-driver friendly power
• Real-time CANbus monitoring: oil temp, coolant, knock, AFR and boost - auto-drops to safe map if needed
• 8 preloaded maps including road, track, economy and launch control
• Works with optional JB4PRO Bluetooth adapter for wireless switching and live logging
• 5-year warranty, USA-made billet aluminium housing