JB4 for Kia / Hyundai 1.6L Turbo Smartstream 4-cylinder (V3) mercedes-benz-gla-35-amg-2020--esr6909499 • 2018+ F55 Cooper

• 2018+ F55 Cooper

To use our Bluetooth feature an additional 3rd party app for your Android or Apple phone must be downloaded and can be found here: If you are using an Apple® product the app can be found by clicking here

Two high-quality replacement O-Rings for BMS G8x M2 M3 M4 S58 Intake

Bluetooth app support

JB4 for Kia / Hyundai 1.6L Turbo Smartstream 4-cylinder (V3) mercedes-benz-gla-35-amg-2020--esr6909499 • 2018+ F55 CooperPower gains of up to 40hp & 60tq to the wheels on a stock 1. 6L vehicle The JB4 is a plug and play Kia Hyundai tuner that plugs into easy to access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. Now includes the JB4PRO adapter and free app built in! Unlike other tuning systems the JB4 includes a fully programmable CANbus system, upgradable