CANFlex Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring 2025+ RAM 1500 3.0L Hurricane

If you're running E85 or ethanol mixes in your RAM 1500, you need this kit!

Know your exact ethanol content in real-time via the CANFlex or JB4 app on your smartphone or tablet.

This complete flex fuel kit (FFK), also known as an ethanol sensor kit, E85 sensor, flex fuel sensor, ethanol content sensor, fuel composition sensor, or flex fuel composition sensor, installs in about 30 minutes.

The CANflex ECA works as an ethanol content analyzer, E85 analyzer, and Bluetooth flex fuel analyzer in one compact system. It reads your fuel mixture using a genuine Continental® ethanol sensor and outputs the data through CANbus, Bluetooth, a built-in LED display, and 5v output for legacy support.

Perfect for 2025+ RAM 1500 3.0L Hurricane owners running E85 blends or wanting accurate real-time ethanol data for JB4 or other tuning systems.

(HO) High Output models come equipped with a fuel pressure sensor which can be read in real time in the CANflex app. 

SO Kit includes:

• Genuine Continental® ethanol sensor
  
• BMS CANflex ECA
• Our new custom 180º billet fittings
• 4' extension harness
• BMS CANflex Bluetooth app
• CAN LED silicone cover

• Tube of Super Lube®

HO Kit includes:

• Genuine Continental® ethanol sensor
  
• BMS Bluetooth CANflex ECA with LCD display
• Custom billet fittings and steel braided hoses 
• 3/8" custom 180º billet fitting
• Fuel Pressure Sensor
• 4' custom extension harness
• Fuel-It! Fuel Line Removal Tool
• BMS CANflex Bluetooth app
  
• CAN LED silicone cover

• Tube of Super Lube®

Download the free BMS CANflex app here:

Features and Benefits
• Monitor ethanol content live through the FREE JB4PRO or CANFlex app
• Seamless JB4 integration with real-time ethanol content monitoring
• Plug-and-play CAN integration with no guesswork or manual tuning
• Designed for RAM 1500 owners who want more power without compromises
• The cleanest way to add flex fuel capability to your Hurricane engine

Vehicle Fitment

Now compatible with both SO and HO Hurricane motors

RAM
• 2025+ RAM 1500 Warlock 3.0L I6 Hurricane SO Twin Turbo
• 2025+ RAM 1500 Laramie® 3.0L I6 Hurricane SO Twin Turbo
• 2025+ RAM 1500 Rebel® 3.0L I6 Hurricane SO Twin Turbo
• 2025+ RAM 1500 Big Horn® 3.0L I6 Hurricane SO Twin Turbo
• 2025+ RAM 1500 Lone Star 3.0L I6 Hurricane SO Twin Turbo
• 2025+ RAM 1500 RHO 3.0L I6 Hurricane HO Twin Turbo
• 2025+ RAM 1500 Limited 3.0L I6 Hurricane HO Twin Turbo
• 2025+ RAM 1500 Tungsten 3.0L I6 Hurricane HO Twin Turbo

Download install guide

RAM (SO) Standard Output Engines

RAM (HO) Standard Output Engines

*For the RAM 1500 JB4 platform connect the blue wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0.