Vaico V20-2964 Engine Crankcase Breather Hose - Oil Separator To Intake

BMW Crankcase Breather Hose Replacement

The Vaico V20-2964 engine crankcase breather hose routes vapors from the oil separator to the intake on select BMW applications. Built to match the listed OE reference, it is a direct-fit emission control component for maintaining proper crankcase ventilation flow.

Compatible with BMW 325Ci, 330Ci, X3, 325i, 325xi, 330i, 525i, 530i, Z4, 320i, 330xi, X5, Z3, 323Ci, 323i, 328Ci, and 528i applications that use the oil separator to intake hose layout.

• Brand: Vaico / VAICO
• Part number: V20-2964
• Engine crankcase breather hose for emission control service
• Length: 136 mm
• Width: 124 mm
• Height: 62 mm
• Weight: 0.035 kg
• OE reference: 11617504535

Product Details

VAICO product line components are cataloged as aftermarket replacement parts for European vehicle service, and this breather hose follows that approach with OE-number-based fitment. The V20-2964 is specified for the oil separator to intake connection used across multiple BMW 3 Series, 5 Series, X3, X5, Z3, and Z4 models from 1998 through 2006. If you are replacing a cracked, hardened, or leaking crankcase ventilation hose, this part number V20-2964 provides a direct service option for the listed vehicles.

This part cross-references Genuine 11617504535 for the same application.

What It Helps Address

• Cracked or brittle crankcase breather hose material
• Vacuum leaks at the oil separator to intake connection
• Oil vapor routing issues in the crankcase ventilation system
• Rough idle or drivability concerns related to unmetered air leaks
• Check engine light conditions tied to ventilation system faults

Installation Notes

Verify the OE number and hose routing before installation. This hose is listed for the oil separator to intake position, so confirm the connection points on your BMW engine before ordering. Inspect adjacent crankcase ventilation components, clamps, and seals for wear, and replace any damaged parts during service to help restore proper system sealing.

Quality Assurance

VAICO aftermarket parts are cataloged against OE references for application-specific replacement. This V20-2964 breather hose is listed with OE No. 11617504535 and is matched to the BMW fitment data provided for the 1998-2006 model range.