Flex Fuel & Flex Fuel Kits
Know your fuel tanks exact ethanol content in real-time via the Fuel-It!, CANFlex, JB4PRO, or JB4 Mobile app on your smartphone or tablet.
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2015-2023 Ford Mustang GT 5.0L Coyote Bluetooth Flex Fuel Kit -
Audi RS3 8P/8V Pre-Facelift & TT RS 8J 2.5T Bluetooth Flex Fuel Kit -
Audi RS3 8V/8Y & TT RS 8S 2.5T Flex Fuel Ethanol Content Sensor for E85 Monitoring -
Audi S3 8Y & VW MK8 Golf R / GTI Clubsport Bluetooth Flex Fuel Kit -
AUDI S4 B8 & B8.5 Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW 120i, 220i, 320i, & 420i Bluetooth Flex Fuel Kit for the F Chassis N20 & N26 motors -
BMW 135i & 335i Bluetooth Flex Fuel Kits for the E-Chassis N54 / N55 Motors -
BMW 135i, 235i, 335i, 435i, & 535i Bluetooth Flex Fuel Kits for F Chassis N55 -
BMW 535i & Z4 Bluetooth Flex Fuel Kits for the E Chassis N54 Motors -
BMW B46 / B48 230i, 330i, 430i, & 530i G Chassis Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW B58 G05 X5 & G07 X7 40i Bluetooth Flex Fuel Kit -
BMW Bluetooth/CANflex Flex Fuel Kits for the G-Chassis Gen3 B58 & B48 -
BMW E-Chassis 535i and Z4 Fuel Line and Ethanol Sensor Upgrades -
BMW F Chassis 550i 650i 750i Bluetooth Flex Fuel Kit for the N63 & N63TU -
BMW F Chassis B58 B48 B46 B38 Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW F Chassis Rear Mount CANbus Flex Fuel & Low Fuel Pressure Sensor Kit for N20, N55, & S55 -
BMW G Chassis Gen 2 B58 M240i, M340i, M440i, & M540i Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW G Chassis M50i N63TU2 / TU3 Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW S55 M2 M3 M4 Bluetooth Flex Fuel Kits for F Chassis -
BMW S63TU M5 M6 M8 X5M X6M Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW X3 X4 - F & G Chassis Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
BMW Z4 Bluetooth Flex Fuel Kit for the G29 B48/B58 -
CANFlex Bluetooth Flex Fuel Ethanol Content Sensor Kit for Infiniti Q50/Q60 3.0T VR30 -
CANFlex Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring 2025+ Gen 3 B48 MINI -
CANFlex Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring 2025+ RAM 1500 3.0L Hurricane -
CANFlex Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring 2026+ Dodge Charger Scat Pack SixPack 3.0L I6 Hurricane Twin Turbo -
CANFlex Ford F-150 Raptor 2021+ Gen3 3.5L Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
CANFlex Genesis GV70/GV80/G80/G90 3.5TT Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
CANFlex S68 4.4L BMW X5 X6 X7 XM M5 & 7 Series Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring -
CANFlex Toyota Tacoma/4Runner/Land Cruiser 2.4L Turbo Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring
