O-Ring - Brake Master Cylinder to Brake Booster for 2002 (1967-1976), 3.0Si (1971-1976), 318i (1984-1985), 320i (1977-1983), 325 (1986-1988), 325e (1984-1987), 325i (1987-1993), 325is (1987-1991), 325iX (1988-1991), 528e (1982-1988), 528i (1979-1981), 530i (1975-1978), 630CSi (1977-1978), 633CSi (1978-1983), M3 (1988-1991), 2.8 Bavaria (1971), 2002tii (1971-1974), 2800 (1968-1974), 2800CS (1968-1971), 3.0CS (1971-1974), 3.0S (1971-1974), Bavaria (1972-1974), 325es (1986-1987), 1602 (1967-1971), 2500 (1968-1971)