Metal expansion plug for Bmw 7 Series E23 (10/1976-06/1986)

Metal expansion tank cap for Bmw 7 Series:

Bmw E23 :

- 728 6cyl 170hp from 04/1977 to 09/1979 (engine code m30b28)
- 728i 6cyl 184hp from 07/1977 to 05/1986 (engine code m30b28)
- 728is 6cyl 184hp from 03/1981 to 04/1986 (engine code m30b28)
- 732i 6cyl 197hp from 05/1979 to 05/1986 (engine code m30b32)
- 733i 6cyl 197hp from 10/1976 to 07/1982 (engine code m30b32)
- 735i 6cyl 218hp from 05/1979 to 06/1986 (engine code m30b34)

Warning! Not suitable for Bmw 7 Series E23 745i engine code m30.