Magneti Marelli · MM8GSF

Fiat 500 (0.9 TURBO 85hp) Magneti Marelli MM8GSF MM8GSFHW521 3AS27ES4 Original ECU File

About this file

Here is original ECU file for Fiat 500 0.9 TURBO 85hp: Magneti Marelli MM8GSF MM8GSFHW521 3AS27ES4. To buy the original file, you need to register on our file-service or log in (if you have an account) and recharge your account. Also you can find all available options on our platform for emissions removal (DPF, EGR, AdBlue) or improving power with stage 1/2/3 or ECO tuning.

What you receive

  • One original (stock) ECU file in binary format, exactly as read from the control unit — no modifications.
  • Download from your account right after the purchase, 24/7.
  • A standard read from Alientech tools (KESS3 / K-TAG) — open it in WinOLS, ECM Titanium or any editor.

Before you order

  • Compare HW, SW and calibration with your own read — the identifiers decide, not the vehicle name.
  • Several files can share one SW number: then the calibration / SW upgrade tells them apart.
  • Not sure? Ask us on WhatsApp before buying.

File specifications

Brand name and modelFiat 500
Engine power900 TURBO 85HP
Engine code—
ECU brand nameMAGNETI MARELLI
ECU model nameMM8GSF
ECU hardwareMM8GSFHW521
ECU software3AS27ES4
ECU calibrationMM8GSFHW521_3AS27ES4_51903129
ECU SW upgrade51903129
Original file
€20one-time · instant download
100% compatible with Alientech / KESS3
Instant access
Original, unmodified
Need it tuned?

We modify this exact ECU for you

  • Stage 1 / Stage 2 / ECO
  • DPF / FAP OFF
  • EGR OFF
  • AdBlue / SCR OFF
  • DTC OFF
  • Speed limiter, Start&Stop and more

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