MHD

MHD FlexFuel Kit - F Series - AT

SKU: MHD-ECA-F-B58-S58-AT
In stock
Usually ships within 24 hours
Regular price €559,00 EUR inc. VAT
Regular price -5% €589,00 EUR Sale price €559,00 EUR inc. VAT

Disclaimer, read carefully!

Unless explicitly stated otherwise, all products sold by TunePoint EU are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. TunePoint EU does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. TunePoint EU Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

MHD FlexFuel Kit - F Series - AT is for F Series AT/DCT cars
including B48/B58/N55/S55

What's an ECA?
CAN Ethanol Content Analyzer reads information from E85 Sensor, converts it to CAN format, and sends it to Engine Computer (DME).

What's the Difference between E85 and Flexfuel?
E85 - is a type of fuel, that has high octane rating.
FlexFuel Feature - adjusts the tune on the fly to the ethanol content info received from ECA of E85 content in the tank.

What is this Kit?
This kit enables a FlexFuel feature for MHD and EcuTek tuned cars.
Without the correct tune (for the E85 blend used) the engine does not work right and may get damaged.

Which cars are supported?

  • All F series B46/B48/B58/N55/S55 with Automatic Transmission or DCT

What else do I need to know?
Easy Install, no need to splice or solder any wires
It's plug-and-play, including connectors and fuel Fittings.

No need to guess how to make it work
We test each unit before we ship it

What's in the Box

  • Ethanol Analyzer Module
  • Ethanol Sensor
  • Custom P&P Piggy Harness
  • Custom P&P PR360 Fittings from Precision Raceworks
  • Eye Protecting Glasses
  • Hand Protecting Gloves

F series B58 Installation Video

F series N55 / S55 with AT or DCT Installation Video

Please check this link for Pictures of MHD FlexFuel Kit Installation on F10:

https://www.bimecu.com/pages/flexfuel-kit-installation-on-f10

HOW-TO Enable FlexFuel Feature in MHD app

HOW PR 360 Fittings Lock Mechanism works - https://www.bimecu.com/pages/pr360-install-guide

If you’re planning to run ethanol on your BMW F-series, the biggest problem is not power - it’s control. Fuel quality changes, ethanol content varies, and without proper data your engine is always guessing.

That’s exactly what this system fixes. With the right setup built around MHD F, your car no longer relies on assumptions. It reads real fuel content and adjusts automatically, which is how modern ECU tuning is supposed to work.

How it works in real life

The system measures ethanol content in real time and sends that data directly to the ECU. Based on that input, your engine adapts fuel delivery, ignition, and overall behavior. This means you don’t need to reflash maps every time you refuel. The car adjusts on its own, keeping everything stable and predictable. When paired with an MHD F series adapter, the integration is clean and straightforward. Everything works together as one system, without extra steps or complicated setup.

Built for F-Series cars

This kit is designed specifically for F-series BMW platforms, which means no универсальные решения and no compromises. Installation is simple and follows a plug-and-play approach. With a proper MHD adapter F series, you connect everything once and the system starts working immediately. No cutting, no modifications, no unnecessary complexity.

What changes after installation

Once installed, the difference is not just about power - it’s about how the car behaves. With accurate fuel data, the engine becomes more stable. Power delivery is smoother, throttle response is more consistent, and the car reacts the same way every time you drive. That’s real performance - not peak numbers, but control and consistency.

Works seamlessly with MHD

If you’re already using MHD, this fits naturally into your setup. The app allows you to monitor ethanol content and see how your engine responds in real time. With a stable connection, especially when using an mhd wifi adapter f series, everything feels fast and reliable - from monitoring to flashing and logging.

Why it matters in Europe

Across Europe, ethanol content can vary significantly even within the same fuel station network. Without proper measurement, your engine cannot adapt correctly. With a system built around MHD F series adapter, the car automatically adjusts to changing conditions. No guesswork, no manual corrections - just consistent behavior wherever you drive.

Quality and reliability

When tuning depends on fuel data, accuracy is critical. A properly designed system combined with a reliable MHD adapter F series ensures stable readings and consistent operation over time. This is where quality matters - not just for performance, but for engine safety.

Simple upgrade that fixes a real problem

Running ethanol without proper measurement always leads to inconsistent results. With the right setup using MHD F, your car becomes predictable, stable, and easier to manage in every condition. It’s not just an upgrade - it’s a necessary step if you want your tuning to work correctly.

Ready to upgrade your setup

If you’re serious about running ethanol on an F-series BMW, this is the part that makes everything else work. With the correct hardware and integration through an MHD WiFi adapter F series, you get a system that adapts in real time and delivers consistent results across Europe.

FAQ

What is the MHD FlexFuel Kit for F Series?
The MHD FlexFuel Kit allows your F-series to automatically adjust the engine tune based on the ethanol content in the fuel. The system reads real ethanol data and sends it to the ECU, so the car adapts in real time instead of relying on fixed maps. This makes tuning safer and more consistent, especially when running E85 or ethanol blends.
Do I need an MHD WiFi adapter F series to use this kit?
Yes, the system works together with MHD hardware and software. For flashing, logging, and monitoring ethanol content in the app, a stable connection is important, which is why many users run the setup with an MHD WiFi adapter F series for fast and reliable communication.
Which cars are supported by the MHD adapter F series FlexFuel kit?
This kit is designed for F-series models with engines like B46, B48, B58, N55, and S55. It is built specifically for these platforms, ensuring proper integration and plug-and-play installation.
Is installation difficult?
No, the kit is plug-and-play and does not require cutting, splicing, or soldering wires. The package includes a harness, ethanol sensor, analyzer module, and fittings, making installation straightforward for most users.
What does the FlexFuel system actually change?
After installation, the system measures ethanol content in real time and the ECU adjusts fuel delivery, ignition timing, and engine behavior automatically. With the right setup using the MHD F series adapter, the car becomes more stable, predictable, and consistent across different fuel blends.
Do I still need a special tune to run FlexFuel?
Yes. The FlexFuel kit provides ethanol data, but the car still needs a FlexFuel-compatible tune by MHD. Without the correct tune for the ethanol blend, the engine may not run correctly and could be damaged.