Bluetooth Flex Fuel Kit for the G Chassis B58 BMW M240i, M340i, M440i, 540i (Gen 2) audi The JB4 is a true

The JB4 is a true user adjustable plug and play solution for Gen3 Jetta GLI and Turbo Beetle

Custom Harness and Hardware

5T’s performance with the MST Air Intake System

(1) Renewable 1123 inverted cone filter w/clamp

• Up to +30whp / 30wtq

Bluetooth Flex Fuel Kit for the G Chassis B58 BMW M240i, M340i, M440i, 540i (Gen 2) audi The JB4 is a trueIf you're running E85 or ethanol mixes in your 2021+ B58 BMW M440i, 2019+ M340i, and 2022+ M240i you need this kit! This is a complete plug & play kit to install a Bluetooth ethanol sensor in your 2021+ M440i, 2019+ M340i and 2022+ M240i in about 30 minutes. (Check compatibility for your platform below) Know your exact ethanol content in real time via the Fuel it! or JB4 app on your smartphone or tablet. The kit includes the following: Genuine