eFlexFuel E85 Update Kit (FlexFuel)

349 € (inc. VAT 24 %.)Includes accessories and shipping

eFlexFuel is easy-to-install automatic E85 conversion 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.

Check how eFlexFuel works from here.

Product info

  • Compatible to 1-8 cylinders
  • Fully automatic flex/multifuel system
  • Adaptive cold start function
  • Android App
  • Excellent compatibility with different engine types
  • External temperature sensor
  • waterproof IP68
  • Warranty: 12 months
  • Excellent product support via email or phone
  • 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


  • Fuel hose
  • Quick connectors
  • Fuel clamps
  • Fuel line disconnect tool


  • 349 € 1-8 cylinder vehicle
  • Includes accessories and shipping

Shipping & Taxes

  • Free International shipping (DHL)
  • Orders outside of EU are without VAT
  • Price to U.S.A is about 335 USD (5.22.2018 currency rate).

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Check the compatibility for your vehicle

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

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No matches in our database. Please contact us via form and we check if your vehicle is compatible.


Carmake Model Start Year End Year Displacement Power (kW) Cylinder count Engine code

Not compatible to following engines:

Carmake Model Start Year End Year Displacement Power (kW) Cylinder count Engine code

If the vehicle is not in the list above, you can leave us a compatibility request. We add vehicles to our database when we are asked for compatibility.

Compatibility request is free.

VIN code is 17 characters

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  • Manufacturer
  • StepOne Tech Ltd
  • Myllyhaantie 7
  • 33960 Pirkkala
  • Finland
  • FI24890300

eFlexFuel™ is developed and made in Finland

eFlexFuel™ is trademark owned by StepOne Tech Ltd