If you're running E85 or ethanol mixes in your Hyundai Elantra N, 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 Elantra N owners running E85 blends or wanting accurate real-time ethanol data for JB4 or other tuning systems.

Kit includes:
- Genuine Continental® ethanol sensor
- BMS Bluetooth CANflex ECA with LCD display
- Custom billet fittings and steel braided fuel line
- 3/8" billet fitting
- 4' custom extension harness
-
BMS CANflex Bluetooth app
- CAN LED silicone cover
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 Elantra N owners who want more power without compromises
• The cleanest way to add real-time ethanol content monitoring to your Hyundai Elantra N.
Vehicle Fitment
• 2022+ 2.0T Hyundai Elantra N, including 6-speed manual and 8-speed DCT models
*For the 2022+ Hyundai Elantra N JB4 platform connect the blue wire to position #16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0.
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