This original BMW check valve fits between the brake booster and the intake manifold on E30 325i Coupe, Convertible (1989-1992), E30 318i Convertible (1991-1992), and E28 528e (1987-1988).
Booster vacuum hose also available. Please see below for BimmerWorld recommended related items.
This part is listed by BMW as BMW part number 34331156579 (34-33-1-156-579) and is described as Genuine BMW Non-Return Valve.
Supersedes obsolete BMW part number 34331156703 (34-33-1-156-703).
BMW Fitments:
3 Series
E30 (84-91) > 318i
E30 (84-91) > 325i
E30 (84-91) > 325is
5 Series
E28 (82-88) > 528e
