Friedrich Pürner, who was elected to the European Parliament in 2024 for the BSW party, left the party in 2025. He details the circumstances surrounding his departure in a new book. According to excerpts from the book, Pürner’s decision stemmed from concerns surrounding Alice Weidel and Sahra Wagenknecht's influence within the party. The former MEP expresses anxieties about the direction the BSW was taking, specifically fearing a potential shift in political alignment. The book offers an insider's perspective on the internal dynamics of the BSW after its initial success in the European Parliament. Pürner’s account sheds light on the tensions and disagreements that ultimately led to his exit. The revelations come as the BSW navigates its role in the political landscape of Germany.