Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
Toyota Supra Bluetooth Flex Fuel Kit for the MKV B48/B58
Toyota Tundra, Land Cruiser, & Sequoia Bluetooth Flex Fuel Kit for the 2022+ 3.4L
VW MK8 Bluetooth Flex Fuel Kit
VW/AUDI Bluetooth Flex Fuel Kit for the 2.0L TSI
Fuel-It! Glass Ethanol Content Tester
Fuel-It! Bluetooth Flex-Fuel Analyzer
Fuel-It! Bluetooth Flex Fuel Analyzers and harnesses for GM, AC Delco, and Continental Ethanol Sensors
Fuel-It! Universal Bluetooth Flex-Fuel Kit
Fuel-It! Universal Bluetooth DIY FLEX FUEL Kit for 5/16" Fuel Lines
Fuel-It! CamLock Fittings and Parts
Universal BMS CANflex CANbus E85 Analyzer (ECA) BETA
BMW E-Chassis 535i and Z4 Fuel Line and Ethanol Sensor Upgrades
BMW/Supra Accessory Harness for S58/B58 motors