I find it difficult to understand that you ask a question in a RT3-4-5 topic when you do not have this system installed in the first place
You should have opened a new topic in the PSA section if you are not shure and get answered.
Misplacing topics and questions is annoying and confusing
I will move you question
You have a quite common Siemens VDO system similar to the old MS5000 by VDODayton
You can and should use these maps
Navteq 2010-2011 (VDO-BMW-Opel-Renault)