This part is listed by BMW as BMW part number 11617501562 (11-61-7-501-562) and is described as Genuine BMW Intake Manifold Cover with Non-Return Valve for M60 V8 engine on E34 530i, 540i (1994-1995), E32/E38 740i, 740iL (1993-1995), and E31 840Ci (1994-1995).
Supersedes obsolete BMW part number 11611736170 (11-61-1-736-170).
This is a Genuine BMW manifold cover with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
BMW Fitments:
5 Series
E34 (89-95) > 530i
E34 (89-95) > 540i
7 Series
E32 (88-94) > 740i
E32 (88-94) > 740iL
7 Series
E38 (95-01) > 740i
E38 (95-01) > 740iL
8 Series
E31 (91-97) > 840Ci