to me ? only happened once to lock the ecu in writing. It was a damn rexton 2.7, among other things, my ****Luckily I said that I didn't want to do it, and at his insistence I told him that if it happened something I do not answer. I ran forward and saw that those accursed delphi we can't read nor write in bdm. Read all ok, while I was writing the mod hangs at 45%.. not c'? pi status? to take it again.. I even moved from a trainer friend of mine to Ivrea, which has only interfaces and official ? well prepared but nothing.. I had to replace the ecu. Fortunately, thanks to my notice has replied that it is all him... I told him, I told you that I wanted to make them!