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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.
This product was last offered at the strikethrough price on
06-29-2026
This product was last offered at the strikethrough price on
09-29-2026
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
08-13-2026
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
This product was last offered at the strikethrough price on
08-13-2026