BMW E9X 335i Crankcase Vent Hose OEM 11157553949 (2007-2010)

Restore proper airflow and engine health with the BMW E9X 335i crankcase vent hose (2007-2010). This crankcase ventilation hose connects the valve cover to the intake manifold and helps route crankcase vapors through the correct system passages. If your hose has become cracked, brittle, collapsed, or leaking, it can disrupt crankcase venting and reduce performance. Replacing it with a correct-fit replacement helps you maintain smooth operation and reduce the chance of related issues.

This crankcase vent hose is made by Rein, a trusted source for BMW replacement components. It matches the OEM part requirements and is listed under part number 11 15 7 553 949. Use this hose to bring back reliable crankcase ventilation on compatible BMW E90, E91, and E92 models equipped with the 335i for the 2007 through 2010 model years.

Replacing a damaged crankcase ventilation valve hose offers clear benefits. Over time, heat and oil exposure can wear the material and cause vacuum leaks or improper vapor flow. When that happens, the engine may run rough, settings may drift, and you may notice drivability concerns. A new hose helps seal the system, supports correct vent routing, and improves confidence during daily driving.

1. Direct replacement for cracked or brittle crank case ventilation valve hose—connects the valve cover to the intake manifold.
2. Helps restore proper crankcase venting and airflow to support stable engine performance.
3. Made by Rein and supplied under part# 11 15 7 553 949 for BMW E9X 335i (2007-2010).
4. Cross-reference support: ABV0205 and 11157553949 and 11-15-7-553-949.

Confirm your fitment for the BMW E9X 335i 2007-2010 and replace the worn crankcase vent hose with part 11157553949 (11 15 7 553 949). You get a dependable component built for correct routing, helping you maintain a clean, controlled crankcase ventilation system.