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Description
Bluetooth Flex Fuel Kit For B58 2019+ BMW G05 X5 & G07 X7 40iStop Guessing. Start Knowing Your Exact Ethanol Content. Running E85 on your B58 Powered X5 or X7 BMW? Ethanol content at the E85 pump can vary from E50 to E85 or higher depending on season and station. Regular premium gas can have up to 10% ethanol at some stations. No more calculating gallons at the pump and guessing ethanol percentage. Just open the app and know. Key Features Real time ethanol content monitoring via Bluetooth Displays exact ethanol
Stop Guessing. Start Knowing Your Exact Ethanol Content.
Running E85 on your B58 Powered X5 or X7 BMW? Ethanol content at the E85 pump can vary from E50 to E85 or higher depending on season and station. Regular premium gas can have up to 10% ethanol at some stations. No more calculating gallons at the pump and guessing ethanol percentage. Just open the app and know.
Key Features
• Real-time ethanol content monitoring via Bluetooth
• Displays exact ethanol percentage (E-content) in the Fuel-It! or JB4 app
• 0–5V analog output for JB4 or flash tuning integration
• Genuine Continental ethanol sensor for OEM-grade accuracy
• Plug and play fuel line integration
• Ethanol safe PTFE fuel lines and fittings
• Installs in approximately 30 minutes
• No cutting or permanent modification required
Why You Need an Ethanol Sensor on Your B58
E85 pumps rarely dispense true E85. Seasonal blends can drop into the E50 range without notice. If you’re tuning for ethanol, this matters.
With this kit you can
• Dial in your exact E85 blend every fill-up
• Avoid running too much ethanol on a pump gas map
• Maximize timing and boost safely on ethanol maps
• Maintain consistent performance at the track
• Protect your engine from unknown fuel mixtures
The Bottom Line
If you’re running E85 on your B58 BMW X5, a flex fuel sensor isn’t optional, it’s essential.
Power, consistency, and safety all start with knowing exactly what’s in your tank.
Vehicle Fitment
- 2019+ G05 B58 BMW X5 40i including xDrive
- 2019+ G07 B58 BMW X7 40i xDrive
Download the Fuel-It! ECA app here:
What's Included
- Heavy duty 5/16" E85 compatible fuel lines for your engine bay
- Genuine Continental® ethanol sensor
- Fuel-It! Bluetooth analyzer (iPhone® or Android® app must be purchased to use this kit)
- Plug and play harness
- Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
*For the BMW G Chassis JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy