Description
If you’re running E85 or ethanol blends in your 2019+ BMW X5 G05 B58 40i, the Fuel-It! Bluetooth Flex Fuel Kit is an essential upgrade. This complete plug-and-play system allows you to monitor your exact ethanol content in real time using the Fuel-It! or JB4 app on your smartphone or tablet.
Designed specifically for the G05 chassis, this kit installs a Bluetooth ethanol sensor in approximately 30 minutes with no permanent modifications required. Accurate ethanol content data helps ensure safer tuning, improved consistency, and optimized performance when running ethanol-based fuels.
The system supports both Bluetooth app monitoring and a 5V analog output, making it fully compatible with JB4 and flash tuning setups. All components are engineered for E85 compatibility and OEM-style integration within the engine bay.
Kit Includes
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5/16" E85-compatible fuel lines for the engine bay
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Genuine Continental ethanol sensor
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Fuel-It! Bluetooth analyzer
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Plug-and-play harness
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Bluetooth app support and 5V analog output for JB4 or flash tuning
Additional Information
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Bluetooth functionality requires a compatible smartphone or tablet
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Verify compatibility before installation if unsure
JB4 Wiring Information
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BMW G-series JB4 platform
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Connect the white wire to position #4 on the JB4 25-pin harness
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Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input
Vehicle Fitment
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2019+ BMW G05 B58 X5 40i and XDrive
This plug-and-play flex fuel solution provides precise real-time ethanol monitoring and seamless tuning integration, making it the ideal upgrade for any 2019+ BMW X5 G05 B58 40i running E85 or ethanol blends.
