This thermostat, also referred to as a coolant thermostat or engine thermostat, regulates coolant temperature by controlling flow between the engine block and radiator on BMW petrol and diesel engines. It remains closed during warm-up to reach operating temperature quickly, then opens to circulate coolant through the radiator. OEM reference 11531216002, supplied by Topran (aftermarket reference 500543).

Compatible With:
  • BMW 3 Series (E30) — 316i, 318i, 318is, 320i, 325i, 325iX, M3 (1982–1993)
  • BMW 3 Series (E30 Touring) — 316i, 318i, 320i, 325i, 325iX (1987–1994)
  • BMW 3 Series (E30 Convertible) — 316i, 318i, 320i, 325i, M3 (1985–1993)
  • BMW 3 Series (E36 Saloon) — 316i, 318i, 318is, 320i, 323i, 325i, 328i (1990–1998)
  • BMW 3 Series (E36 Coupe) — 318is, 320i, 323i, 325i, 325is, 328i (1991–1999)
  • BMW 3 Series (E36 Compact) — 318ti, 323ti (1994–2000)
  • BMW 3 Series (E36 Convertible) — 320i, 323i, 325i, 328i (1993–1999)
  • BMW 3 Series (E36 Touring) — 320i, 323i, 328i (1995–1999)
  • BMW 3 Series (E46 Saloon) — 328i (1998–2000)
  • BMW 5 Series (E28) — M5 (1985–1987)
  • BMW 5 Series (E34 Saloon) — 518i, 520i, 525i, 530i, 535i (1987–1995)
  • BMW 5 Series (E34 Touring) — 518i, 520i, 525i, 525iX (1991–1997)
  • BMW 5 Series (E39 Saloon) — 523i, 528i (1995–2000)
  • BMW 5 Series (E39 Touring) — 523i (1997–2000)
  • BMW 6 Series (E24) — 628CSi, 635CSi, M635CSi (1977–1989)
  • BMW 7 Series (E23) — 728i, 735i, 745i (1977–1986)
  • BMW 7 Series (E32) — 730i, 735i (1986–1994)
  • BMW 7 Series (E38) — 725tds, 728i (1995–2001)
  • BMW M1 (E26) — 3.5 (1979–1983)
  • BMW Z1 Roadster (E30) — 2.5i (1988–1991)
  • BMW Z3 Roadster (E36) — 2.8i (1996–2000)
Engine Codes:

M20, M30, M42, M50, M52, S14, S38

Year Range:

1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001

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