No general tuition fees are charged at the TU Ilmenau. Only a contribution of currently 271,40 euros is to be paid per semester. This semester fee includes the semester ticket with which you can travel free of charge by regional train within Thuringia. More information about the semester fee can be found here.
The cost of living in Ilmenau is much lower than in a big city. The various options for financing your studies include:
Bafög, student loan or e.g. scholarships.
You can also apply for a job as a student assistant (HiWi) at the university during your studies or look for a part-time job in one of the numerous companies around the campus. This way you can not only finance your studies, but also gain important practical experience.