BOSCHthermostatic contactor or timed thermocontactor for Bmw 5 Series : Bmw E12 : - 518i 4cyl 100hp phase 2 from 06/1979 to 06/1981 (engine code M10B18i)
- 520i 4cyl 130hp phase 1 from 03/1972 to 08/1976 (engine code M10B20i)
- 520i 4cyl 125hp phase 2 from 04/1976 to 07/1979 (engine code M10B20i)
- 528i 6cyl 177hp phase 2 from 01/1977 to 02/1978 (engine code M30B28i)
- M535i 6cyl 3.5L 218hp from 04/1980 to 05/1981 (engine code M90-S30B35LE)
This switch is used to regulate the idle speed for a cold start.
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