The M20 6-cylinder engine has coolant lines that attach to the throttle housing for warming. The coolant hose flange uses 3 of these screws to mount to the throttle body.
This part is listed by BMW as BMW part number 13541705561 (13-54-1-705-561) and is described as Genuine BMW Fillister-Head Screw M4Tx20 for E30 318i M10 (1984-1985), E30 325e, 325es, 325i, 325is, 325ix Coupe/Sedan (1984-1991), E30 325i Convertible (1987-1993), E28 528e (1982, 1983, 1984, 1985, 1986, 1987, 1988), and E34 525i (1989-1990).
Replaces BMW part # 13541285472 (13-54-1-285-472).
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) > 318i
E30 (84-91) > 325e
E30 (84-91) > 325es
E30 (84-91) > 325i
E30 (84-91) > 325is
E30 (84-91) > 325ix
5 Series
E28 (82-88) > 528e
5 Series
E34 (89-95) > 525i M20