Germany offers several affordable options for studying computer science engineering. Some of the most budget-friendly universities include Technische Universität Chemnitz, Technische Universität Dortmund, and Technische Universität Kaiserslautern. These institutions typically have low or no tuition fees for international students, requiring only a semester contribution of around €300-400. However, living expenses can vary depending on the city, averaging around €800-1,000 per month. It's advisable to research individual universities and their specific programs, as tuition fees and living costs may change over time and vary based on your personal circumstances and qualifications.