eFlexFuel E85 Update Kit (FlexFuel)

Available soon in the USA

eFlexFuel is easy-to-install automatic E85 flexfuel kit for gasoline engines. With this conversion kit you can safely use considerably more affordable E85 fuel, regular gasoline, or any mixture of the two.

Product info

  • Compatible to 1-8 cylinders
  • Also available for V10-V12
  • Fully automatic flex/multifuel system
  • Adaptive cold start function
  • iOS and Android App
  • Excellent compatibility with different engine types
  • External temperature sensor
  • Waterproof IP68
  • Warranty: 12 months
  • Developed and made in Finland

Kit contents

  • eFlexFuel control unit (133 x 72 x 25 mm)
  • Ethanol sensor
  • Wiring harness
  • Wiring harness for 5-8 cylinders (4 pcs)
  • Male connectors (10 pcs)
  • Installation and user's guide
  • V10-V12 model includes two control units and wiring harnesses


  • Accessories are included to price
  • Fuel hose
  • Quick connectors
  • Fuel clamps
  • Fuel line disconnect tool

eFlexFuel App

  • Injector duty cycle
  • Injector duty cycle chart
  • Injector activity
  • Fuel ethanol content
  • Fuel contamination detection
  • Fuel temperature
  • Temperature (current, min, max)
  • Fault code check
  • eFlexFuel App page


eFlexFuel Moto

  • eFlexFuel Moto coming early 2019
  • eFlexFuel Moto includes customized wiring harness to motorcycles.
  • Current eFlexFuel is also compatible to motorcycles.

Check the compatibility for your vehicle

eFlexFuel is not available for direct injection engines (CGI, FSI, GDI, EcoBoost, etc.) or diesel engines.

Loading... Do not update site!


If you cannot find your vehicle you can leave us a compatibility request. We add vehicles to our database when we are asked for compatibility.

a) VIN code is 17 characters. b) i, o, q are not allowed.

Sending message... Do not update site!

Thank you for your query!

We will contact you soon.

Sending failed.

Check the fields!

Something happened!!!

Try again later...

miles with ethanol

and counting...

based on cumulative eFlexFuel sales and average yearly drive