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BMW E34 E36 Valve Cover Breather Valve is a crucial component designed to regulate crankcase ventilation and prevent excessive pressure buildup in the engine. Located in the valve cover and secured with an O-ring (11151730724), this breather valve ensures proper airflow, reducing oil contamination and enhancing engine efficiency. It connects directly to the breather hoses (11151730507 & 11151726828), maintaining a sealed system for optimal performance.
Maintain the longevity and performance of your BMW’s engine by replacing a worn or failing breather valve with this high-quality OEM replacement.
Rein Intake Manifold Breather Valve | BMW E31 E38 M73 5.4L engine is a crucial component for maintaining proper crankcase ventilation and engine efficiency. Designed for BMW E31 and E38 models equipped with the M73 5.4L engine, this breather valve helps regulate internal pressure within the intake manifold, preventing excessive oil consumption and ensuring smooth engine operation. Over time, a failing breather valve can cause vacuum leaks, rough idling, and reduced performance. This high-quality replacement restores proper airflow and reliability.
Intake Manifold Regulator Valve - Rein | BMW E31 E38 M73 5.4L Engine is engineered to maintain optimal airflow and engine performance by regulating intake manifold pressure. A failing regulator valve can lead to poor throttle response, rough idling, and decreased fuel efficiency. This high-quality replacement ensures proper engine function and is designed as a direct-fit solution for BMW E31 and E38 models equipped with the M73 5.4L engine. Manufactured to meet or exceed OEM standards, this valve restores efficient air intake operation, improving overall engine performance.
This product was last offered at the strikethrough price on
06-11-2026
This product was last offered at the strikethrough price on
06-15-2026
This product was last offered at the strikethrough price on
06-15-2026
