BMW B58 B48 N55 N20 JB4 EWG Add On Connector

Plug-and-play JB4 EWG Add On Connector for BMWs with electronic wastegates - fits B58 (G20 G29 G30), B48 (F40 F44 F45), N55 (F10 F30) and N20 (F20 F30) engines.

• Enables precise electronic wastegate control via your existing JB4
• No soldering or cutting: connects cleanly to DB25 harness (purple to pin #9, blue to pin #16)
• Unlocks higher boost ceilings and improved tuning flexibility on fast road or track day setups
• Designed for enthusiasts who want measurable gains without ECU replacement