Auxiliary Fan Switch - 91 deg. C (2-Prong, White Top) for 530i (1975-1978), 533i (1983-1984), 535i (1985-1988), 535is (1988), 633CSi (1983-1984), 635CSi (1985-1986), 733i (1978-1984), 735i (1985-1987), M3 (1988), M5 (1988), 3.0S (1971-1974), 3.0Si (1971-1976), 325es (1986-1987), 325 (1986-1987), 318i (1984-1985), 320i (1977-1983), 325e (1984-1987), 325i (1987), 325is (1987), 524td (1985-1986), 528e (1982-1988), 528i (1979-1981)