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View Full Version : help strange problem, edc16c35 BMW E91



luca129
4th September, 2020, 02:07 PM
hello friends I was able to read and make the id without problems, but I can not write this ecu I get this message from my tool (kess)"key n does not match"
it is the first time this happens to me .. do you have any advice? or go to ktag



both original and modified file does not change anything

JoeBB
4th September, 2020, 02:15 PM
it may have some kind of protection, BDM it

luca129
4th September, 2020, 02:32 PM
I imagined..thanks