Rein 11-15-7-603-816 Crankcase Vent Valve Hose

The Rein 11-15-7-603-816 is a crankcase vent valve hose designed for BMW applications. This critical emission system component connects the crankcase ventilation valve to the intake system, allowing blow-by gases to be recirculated back into the combustion chamber for proper emission control.

Key Features:

• Direct OEM replacement part for BMW part number 11157603816
• Manufactured by Rein Automotive to meet or exceed OEM specifications
• Durable construction designed to withstand high temperatures and oil exposure
• Helps maintain proper crankcase pressure and ventilation
• Essential for preventing oil leaks and maintaining proper engine performance

This crankcase vent pipe is a maintenance item that can deteriorate over time due to heat and oil exposure. A failing vent hose can cause rough idle, increased oil consumption, or check engine lights related to the emission system. Replace at the first sign of cracking, brittleness, or oil leakage to maintain optimal engine performance.