Bremer joined the CDU, had been chairman of the CDU district association in Pinneberg since 1965 and was elected to the state executive of the CDU Schleswig-Holstein in 1967. Bremer was a member of the German Bundestag from 1965 to 1976. He was directly elected to the Bundestag in 1965 as a member of parliament for the Pinneberg constituency and then always entered the Bundestag via the Schleswig-Holstein state list.
Literature
Herbst, Ludolf; Jahn, Bruno (2002). Vierhaus, Rudolf (ed.). Biographisches Handbuch der Mitglieder des Deutschen Bundestages. 1949–2002 [Biographical Handbook of the Members of the German Bundestag. 1949–2002] (in German). München: De Gruyter - De Gruyter Saur. p. 1715. ISBN978-3-11-184511-1.