TunePoint Europe » BMW 1 series parts » MHD FlexFuel Kit - Open Wire - N54 or N55e or Any MT
MHD

MHD FlexFuel Kit - Open Wire - N54 or N55e or Any MT

SKU: MHD-ECA-OW-B58-S58-MT
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€459,00 EUR inc. VAT

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This kit is for all MT cars, N54 and N55e

 

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?

  • Manual Transmission cars (B48/B58/N55/S55)
  • N54  cars
  • N55 E series

What's in the Box

  • Ethanol Analyzer Module
  • Ethanol Sensor
  • Custom Harness with 3 wires posi-tap connectors
  • Custom P&P PR360 Fittings from Precision Raceworks
  • Eye Protecting Glasses
  • Hand Protecting Gloves

 

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E series N54 Installation Video

 

Open Wire option Wiring Diagram/Pinouts - https://docs.google.com/spreadsheets/d/1Hx9ewWW5xOkx39xl5krXK8G30KLt8kSkddWCSClmxys

 

HOW-TO Enable FlexFuel Feature in MHD app

 

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

Customer Reviews

6 reviews

Andreas W.

Absolutely impressed with this FlexFuel kit. Installation on my N54 was straightforward, and the open wire setup worked perfectly with my custom configuration. Ethanol readings are consistent and the car adapts flawlessly between pump gas and E blends.

Robert N.

This is one of the best upgrades I’ve done to my N55. The quality of the hoses and wiring is excellent, and everything feels premium out of the box. MHD integration works exactly as advertised with smooth transitions on E85 mixes.

George P.

Fantastic product for anyone serious about tuning their BMW. The analyzer responds quickly, the install guide was easy to follow, and I finally have confidence running different ethanol blends without guessing. Highly recommended.

Anthony C.

I’ve tried other ethanol monitoring solutions before, and this kit is on another level. Plug quality, sensor accuracy, and overall reliability are excellent. The car runs smoother and tuning adjustments happen seamlessly.

David S.

If you run MHD and plan to use ethanol blends, this kit is a must-have. Accurate readings, easy installation, and reliable operation every single day. It’s obvious the system was designed by enthusiasts who understand these platforms.

Peter L.

Very impressed with the overall build quality. The fittings, sensor, and wiring all feel durable and well engineered. Installation was straightforward and the performance gains on E85 were immediately noticeable.