Fuel-It! FLEX FUEL KIT for S58 BMW X3M & X4M

If you’re running E85 or ethanol mixes in your S58 BMW X3M or X4M, you need this kit!

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

This is a complete plug and play kit to install a Bluetooth ethanol sensor in your X3M or X4M in about 30 minutes.

(Check compatibility for your platform below)

The kit includes the following:

• New 5/16″ E85 compatible fuel lines for your engine bay
• Genuine Continental ethanol sensor
• Fuel-It! Bluetooth Universal Analyzer (view E85 mix via Fuel-It! app) OR CANflex ECA (no Fuel-It! app support without the Bluetooth ECA), view E85 mix via JB4 or flash logging)
• Plug and play harness

• Includes both Bluetooth App & 5v analog output for JB4 or flash tuning

  • • Bluetooth (iPhone or Android app must be downloaded to use this feature)

Replacement fuel lines are also available ala-cart.

This kit is compatible with the following

• 2020+ S58 BMW X3M / X3M Competition
• 2020+ S58 BMW X4M / X4M Competition

What’s included

• Fuel-It! bluetooth analyzer
• Continental® ethanol sensor 13577429
• Custom wiring harness (3AH-3C-B)
• Fuel-It! bluetooth analyzer
• Custom BMS steel braided hose (BMW-FFK-F02-L1)
• Custom BMS steel braided hose (BMW-FFK-F02-L2)
• Superlube® tube
• RED Posi-Tap®