ECU software number

4S21CK53 original ECU files

2 files read from control units with software number 4S21CK53 (Magneti Marelli MM8GMF), fitted to FIAT Bravo II. Original (stock) files as read from the ECU: match the HW number and calibration with your reading, then order; the download link is emailed after payment.

Hardware numbers found with 4S21CK53

Each number opens the files that carry both.

HW MM8GMFHW503 2

Catalogue engine v1.43.4

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