Crankcase Vent Valve/Oil Separator, BMW - E39 M5, Z8 (Bank 2)

Crankcase Vent Valve/Oil Separator for bank 2 on S62 engine found in E39 M5 and Z8 Roadster.

This part is listed by BMW as BMW part number 11151406789 (11 15 1 406 789) and is described as the oil separator for cylinders 5-8 (bank 2) in E39 M5, and Z8 Roadster. This is a cyclonic oil separator - taking oil vapor from the bank 1 valve cover, swirling it in a cyclone to separate oil liquid and vapors. Oil drains back to the dipstick and the vapor goes to the intake air plenum.

This is a Genuine BMW E39 M5 oil separator 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.

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