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Fgtech Galletto read BMW M3 Siemens MSS54 via BDM

Here is the instruction to read this ECU from BMW M3 Siemens MSS54 with FgTech Galletto V54 ECU Programmer by BDM. 


I need to read BMW M3 Siemens MSS54. I did not see in FgTech Galletto BDM support that ecu MSS54! There is only MS45. But I have checked the BDM MC32xxx pdf Page 13 for BMW MSS52, not say MSS54 but hardware appear to be the same. I loaded the pdf attachment below. 


I had problem to identify pin number 1 on left/right flash. Thus I made some research and worked it out.


This is the pinout to read the ECU given by a Galletto expert.


The procedure to identify the pin 1#:


As promised, BDM 32xxx pdf can download free here:



Page 13 shows how to place the Siemens/Marelli BDM head on MSS52.

Page 12 shows how to place the very same Siemens/Marelli BDM head on a Trionic 8 + BDM pad 1 indication.

Page 7 shows how to find pin1


So I finally identify pin number 1 and successfully flashed BMW M3 with FGtech by BDM.




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