Here’s the Xhorse VVDI Prog programmer pinout to bsi magnet marelli.
I have successfully read bsi magnet marelli whit vvdi prog,mcu is MC68HC912DG128 unsecured
Mask:5H55W , using this wiring diagram , hope this will be useful for somebody used
wires are VCC -red
GND black ,
and BKGD – purple
Credit to iozo from DK forum.