This original BMW crankcase vent hose is used to connect the oil separator the air intake on the S54 CSL carbon-fiber intake airbox.
This part is listed by BMW as BMW part number 11157833649 (11-15-7-833-649) and is described as Genuine BMW S54 CSL Breather Hose.
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
E46 (99-05) > M3
