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Boitier additionel homologue vs reprogrammation ethanol e85

E85 control unit

The ethanol conversion kit
approved for use with E85

Are you looking for the best approved E85 conversion kit for your petrol vehicle? Shiftech has the solution. The Eflexfuel conversion kit is designed to be the best-performing E85 conversion kit on the market. Easy to fit, with a 2-year warranty and quick to install, you’ll save money and boost your purchasing power.

E85

Ethanol conversion kit – start saving money today

Convert your vehicle with the EFlexfuel® conversion kit and run on E85 bioethanol.

This conversion kit makes your vehicle 100% flex-fuel, enabling you to reduce CO₂ emissions by nearly 70 per cent and cut your fuel costs by 50 per cent.

Discover the benefits of this solution now!

Product eflexblue kit 1200x1000

E85

The benefits of converting to an E85 kit

Ecology Ecology

Switching to E85 bioethanol reduces dependence on fossil fuels and cuts greenhouse gas emissions by half.

Savings Savings

With E85 costing half the price of petrol and fuel consumption only 20 per cent higher, converting your car to run on E85 could save you around €1,000 a year if you drive 20,000 km. You’ll see a quick return on your investment within a few months.

Flexibility Flexibility

With the Flex-fuel conversion, you can drive with complete peace of mind: your vehicle can run on E85, petrol or a mixture of the two, automatically adjusting thanks to the lambda sensors

FREE VEHICLE REGISTRATION CERTIFICATE FREE VEHICLE REGISTRATION CERTIFICATE

Thanks to the E85 conversion, you can benefit from a 100 per cent free vehicle registration certificate update in many regions of France!

MADE IN FRANCE MADE IN FRANCE

Using E85 means supporting French agriculture and the French economy whilst promoting national energy self-sufficiency.

eFlexFuel

Drive with the highest-performing ethanol conversion kit on the market

The EFlexfuel® unit, designed and manufactured in Finland by specialists, is the result of many years of research and development. This system is characterised by its extremely precise measurement of ethanol content, carried out more than 100 times per second. It is robust and resistant to impact and the elements.

Installation is made easy thanks to high-quality wiring and convenient connectors, with no soldering required. All components in contact with the fuel are specially tested and approved for use with ethanol.

Find out why you should choose the EFlexfuel® unit

Eflexapp combo fr eflexblue

eFlexFuel

The benefits of the ethanol unit

ETHANOL SENSOR ETHANOL SENSOR

The unit comes with a sensor that detects the fuel present in real time, allowing you to fine-tune the settings perfectly. You can drive using any fuel of your choice, in any proportion.

READY FOR USE READY FOR USE

The EFlexfuel® unit is installed and configured by our technicians in a single visit, with no further work required, ensuring it is ready for immediate use.

WARRANTY WARRANTY

Enjoy peace of mind with the 5-year warranty on the case. This is the longest warranty available on the market, demonstrating our absolute confidence in the quality and reliability of our manufacturing.

THE BEST START THE BEST START

Whether your vehicle is exposed to freezing cold or intense heat, this technology ensures an immediate and reliable start every time, giving you complete peace of mind.

BLUETOOTH CONNECTIVITY BLUETOOTH CONNECTIVITY

The system features advanced connectivity: with the eFlexApp, you can monitor your vehicle’s injection data in real time.

MADE IN EUROPE MADE IN EUROPE

EFlexfuel ® is a European E85 conversion system, type-approved, designed and assembled in Finland, guaranteeing quality and reliability.

Economy

Price of the eFlexBlue-approved unit, including delivery, installation and a certificate of installation.

Reprogrammation stage conversion e85 bioethanol 800

Indirect Euro 5/6, max. 7 CV

À partir de 859€

Reprogrammation stage conversion e85 bioethanol 800

Indirect Euro 3/4, 8 to 14 CV

À partir de 879€

Reprogrammation stage conversion e85 bioethanol 800

Indirect Euro 5/6 15 CV

À partir de 1149€

Reprogrammation stage conversion e85 bioethanol 800

Direct Euro 5/6, max. 7 CV

À partir de 1199€

Approved installer

Find your nearest centre and start saving now


FAQ

Questions from our customers

Bioethanol E85 is a fuel made up of ethanol (varying between 65% in winter and 85% in summer) and unleaded petrol. Ethanol is produced by fermenting the sugars and starch contained in sugar beet, cereals and their processing residues. French E85 bioethanol is made from French raw materials, in distilleries located close to farms. Not to be confused with E10 unleaded 95 fuel, which is made up of 10% ethanol and 90% petrol.
The main advantage of E85 superethanol is its economic benefits. With a price at the pump that is generally lower than that of SP95-E10 or SP98, it offers users substantial savings over the long term, especially for heavy drivers. On average, bioethanol costs less than €0.90 a litre, compared with €1.75 a litre for unleaded petrol, an increase of €0.85
Ethanol conversion can be carried out on most petrol vehicles with indirect or direct injection engines. There are two main methods for converting your engine to run on bioethanol. Electronic chiptuning of the ECU or the conversion box are the two alternatives.
There are many advantages, but the main one is cost savings.

Yes, converting your vehicle to bioethanol is profitable in 2026. Recent years have seen high volatility in fuel prices, including Bioethanol E85. By 2022, this fuel was costing an average of €0.74 per litre, before reaching an average price of €1.11 per litre in France in 2023, an increase of almost 50%. Since then, prices have stabilised considerably: the average price per litre of Super thanol-E85 will be 0.75 euros on 8 April 2026. At the end of March 2026, SP95-E10, the fuel most popular with the French, stood at around €1.985 per litre. This represents a saving of more than 1 euro per litre in favour of E85, even before taking into account the benefits of conversion


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