Remigration and exchange relationships within the Jewish Diaspora reinforced the self-image of the Jewish community in Germany after 1945. Yet how did these phenomena influence local Jewish community life in divided Germany? The article traces processes of secularization and revitalization of tradition under the influence of remigration within the Jewish communities of Dresden and Würzburg. Taking the political framework during the Cold War into account, the article then examines how transnational networks and spaces influenced life within these respective communities.