BMW Crankcase Oil Separator – OE 11617503520

BMW oil separator 11617503520 is part of the crankcase ventilation system on selected BMW E46 and E90 models. It separates oil mist from blow-by gases and helps manage crankcase ventilation.

OE / Part Numbers

BMW OE reference: 11617503520. Ventilation hoses are separate components in the original parts catalog.

Vehicle Application

BMW Oil Separator 11617503520 Fitment

• Brand: BMW
• Application: Selected E46 (N42/N46) and E90 (N46)
• Position: Engine Crankcase Ventilation System
• Part Type: Crankcase Oil Separator

Before Ordering

Check the OE number, engine version and VIN. Confirm whether you need the separator alone or a complete ventilation repair kit.

Request a Quote

Send us OE 11617503520, the required quantity and destination country. Include the VIN for a fitment check. Browse our parts catalog.antity and destination country. If compatibility is uncertain, include the VIN or a photo of the original part.