Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
AUDI S4 Bluetooth Flex Fuel Kit for the B8 & B8.5
AUDI TT/RS3 Bluetooth Flex Fuel Kit for the 2.5L Gen 3 (MK3 8V)
AUDI TTRS Bluetooth Flex Fuel Kit for the 2.5L Gen 2 (MK2 8P)
BMW 120i, 220i, 320i, and 440i Bluetooth Flex Fuel Kit for the F-chassis N20 AND N26 motors
BMW 135i, 235i, 335i, 435i, & 535i Bluetooth Flex Fuel Kits for the F-Chassis N55
BMW 135i & 335i Bluetooth Flex Fuel Kits for the E-Chassis N54 and N55 Motors
BMW 230i, 330i, & 430i Bluetooth/CANflex Flex Fuel Kits for the G-Chassis B46/B48
BMW 535i & Z4 Bluetooth Flex Fuel Kits for the E-Chassis N54 & N55 Motors
BMW 550i, 650i, & 750i Bluetooth Flex Fuel Kit for the N63 and N63TU
BMW 740i Bluetooth Flex Fuel Kit for the B58TU2
BMW F-Chassis Bluetooth Flex Fuel Kit for the B38, B46, B48, B58 Motors
BMW F-Chassis Rear Mount CANbus Flex Fuel & Low Fuel Pressure Sensor Kit for the N20, N55, S55, & B58 Gen1
