Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
Fuel-It! Ethanol Content Tester
Fuel-It! Flex-Fuel Sensor with Universal Bluetooth Analyzer
Fuel-It! FLEX FUEL KIT for S58 BMW G80 M3 & G82 G83 M4
Fuel-It! FLEX FUEL KIT for S58 BMW X3M & X4M
Fuel-It! Bluetooth FLEX FUEL KITS for E CHASSIS BMW
Fuel-It! Bluetooth FLEX FUEL KIT for the B58 BMW M240i, M340i, & M440i
Fuel-It! FLEX FUEL KIT for BMW F CHASSIS B58 140I, 240I, 340I, AND 440I
Fuel-It! Flex Fuel Kits for F Chassis N55 BMW
Fuel-It! FLEX FUEL KIT for B58 BMW X5 40 (G05)
Fuel-It! FLEX FUEL KIT for BMW N20 AND N26
Fuel-It! FLEX FUEL KIT for B58 BMW Z4 M40i
Fuel-It! FLEX FUEL KIT for B58 Toyota GR Supra
