With coding you can do quiet a number of things like enabling video in motion, activate brake force display, comfort options from the fob etc.Originally Posted by gn3dr
Coding is relatively easy as long as you know where to look for. Some features in order to be enabled need to be activated in 2 or more modules at the same time.
Engine ecu mapping has nothing to do with coding. Look at things such as WinOLS etc
Much more involved that coding