55274377 ECU Files – Magneti Marelli MJD 9DF.X1 for Fiat

Magneti Marelli hardware number 55274377 is an MJD 9DF.X1 engine control unit fitted to Fiat (500L). We have 1 original file for it, one per software calibration. Find the software / calibration code on your ECU label and pick the matching file in the table below; price €20, instant download after payment.