How to solve "No Signal" problem after BMW NBT Evo Retrofit? -Saturday, November 12, 2022
After retrofit NBTEvo, you hear sound but get "No Signal" error on the screen? This issue usually happens because you didn't manually code FDL after submitting a new CAFD file. If your problem is not solved after coding below, you either made a mistake during installation or there is a problem with your display cable.