[berkozyatik]

Hello, I have a 2011 model 520d. The year of manufacture of my vehicle is 2010. But it is a 2011 model. I have made many modifications to my vehicle, FLA assistant, nbt evo id 6 touch retrofit, blend kardon, vacuum door, power trunk, heated seat, ghost screen...etc. In my last retrofit, I wanted to do the eco pro in the x link and I changed the icm. Everything worked very well and I got the eco pro screen I expected. However, the charge/power needle does not move in the cluster. I don't know what to do about it. A few people have suggested updating the engine brain, but I don't know how. Any ideas on this?