Coolant Bleeder Screw - M20 M30 S38 - E30 E12 E28 E34 E23 E32

This part is listed by BMW as BMW part number 11531275881 (11-53-1-275-881) and is described as Genuine BMW Vent Screw for cooling system on M20, M30, and S38 engines in E30, E12, E28, E34, E24, E23, and E32 chassis.

M20 and M30 engines have the bleeder screw located in the thermostat housing cover.  

E34 M5 (S38 engine) has the bleeder screw in the metal cooling pipe on the front of the engine block.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

3 Series
E30 (84-91) > 325e
E30 (84-91) > 325es
E30 (84-91) > 325i
E30 (84-91) > 325is
E30 (84-91) > 325ix
5 Series
E12 (77-81) > 528i
E12 (77-81) > 530i
5 Series
E28 (82-88) > 524td
E28 (82-88) > 528e
E28 (82-88) > 533i
E28 (82-88) > 535i
5 Series
E34 (89-95) > 525i M20
E34 (89-95) > 535i
E34 (89-95) > M5 (91-95)
6 Series
E24 (77-89) > 630CSi
E24 (77-89) > 633CSi
E24 (77-89) > 635CSi
7 Series
E23 (77-87) > 733i
E23 (77-87) > 735i
7 Series
E32 (88-94) > 735i
E32 (88-94) > 735iL