Hi guys new to this site so bare with me,

i have a peugeot 306 hdi on 2001 'x' and ecu is knackt and i have a replacement one but i have 2 questions,

1 - my ECU says on it EDC15 and in big numbers 20, i have 2 the same one says 16 and the other 91 which im told is fine???

2 - i would really like to know which chip holds the IMMO data so i can remove and rework into working ECU to get it started??

Thanks, I would really appreaicate feedback on this as not much hair left on my head?!?!