It can read configuration codes and write new configurations from the modules. The NCS Expert is a software application that allows users to directly communicate with any module on the BMW's CAN network. Here's a comprehensive guide on how to do it.Ĭheck out the video guide below for the step-by-step process. If you're looking to code your BMW using NCS Expert, it can be done more conveniently with the help of the NCS Dummy.