IAW 4MV.FB ECU Files for Seat

IAW 4MV.FB is a Magneti Marelli petrol engine control unit. We currently have 2 IAW 4MV.FB files in stock. Each one is an original read from a working unit. Here it is listed for SEAT. Model: LEON. Available as Immo Off and Original File files. Always compare the software number on your label with the number in the file title: two units with the same ECU type can still need different software. Missing your version? Request the file with the label numbers and we will source it.