Monitor your ethanol blend accurately and in real time with this Bluetooth flex fuel kit for BMW X3 and X4. Built for G-series models and popular with Nforcd customers, it delivers live ethanol content via an LED display and compatible smartphone apps, and integrates cleanly with leading tuning platforms for a reliable E85 or E-mix setup. On B58-equipped X3/X4 models, installation is typically around 30 minutes thanks to the plug-and-play design.
- Real-time ethanol content readout via BMS CANflex LED display or through compatible apps (BMS CANflex, JB4 or Fuel-It depending on kit)
- Choice of CANbus ECA kits or a Bluetooth ECA kit to suit your ECU flash or piggyback setup
- Compatible with tuning platforms reading the standard 0xEC CANbus address, including JB4, MHD, BM3 and ECUtek
- Genuine Continental ethanol sensor with stainless steel braided fuel lines and protective black nylon sheathing
- Fuel-It Bluetooth ECA option includes Bluetooth app support and a 5v analogue output for JB4 or flash tuning, plus a 1/8 NPT port for an optional port injection line
- Designed for BMW G01 X3 and G02 X4 with B46, B48 or B58 engines
Choose your kit
- Complete Kit with CANbus ECA + Plug-and-Play Harness: Works with stock ECU flashes, JB4, ECUtek and MHD. Note: manual transmission cars or vehicles running a BM3 flex fuel tune must use the universal harness.
- Complete Kit with CANbus ECA + Universal Harness: Universal solution for all applications, including manual cars and BM3 flex fuel tunes.
- Complete Kit with Fuel-It Bluetooth ECA: Bluetooth ethanol analyser for use with JB4 and the Fuel-It app. Does not include CANbus integration; features Bluetooth connectivity and 5v analogue output.
What’s included (kit-dependent)
Genuine Continental ethanol sensor, BMS CANflex LED ECA or Fuel-It Bluetooth ECA, stainless braided fuel lines with black nylon sheathing, and either a plug-and-play or universal harness as specified.
Vehicle fitment
2018+ G01 BMW X3 B46 / B48 / B58
2019+ G02 BMW X4 B46 / B48 / B58
Notes
For CANflex setups, JB4 and MHD typically use engine bay CANbus connections; BM3 usually requires connection to CANbus wires at the BCM under the passenger-side dash. Ethanol content sensors infer readings based on the absence of petrol; contaminated fuel may affect the displayed value.
Nforcd can also professionally install this flex fuel kit in Warwickshire. To request a fitting quote, email Sales@nforcd.com.
Order your BMW X3/X4 flex fuel sensor kit from Nforcd today and run your ethanol blend with confidence.