Rein 11-15-7-840-446 Crankcase Vent Valve

The Rein 11-15-7-840-446 is a high-quality crankcase vent valve designed to regulate positive crankcase ventilation in your engine. This valve controls the flow of combustion gases and oil vapors from the crankcase back into the intake manifold, where they can be burned during the combustion process.

Key Features:

• Direct replacement for BMW OEM part number 11-15-7-840-446
• Helps maintain proper crankcase pressure and prevents oil leaks
• Reduces harmful emissions by recycling crankcase gases
• Manufactured to meet or exceed OEM specifications
• Precision-engineered for reliable performance and durability

A faulty crankcase vent valve can cause rough idle, increased oil consumption, oil leaks, and check engine lights. Regular replacement of this component helps maintain optimal engine performance and efficiency while protecting internal engine components from damage caused by excessive pressure buildup.