This genuine BMW crankcase breather hose, part number 11617521860, is essential for the proper functioning of your vehicle's crankcase ventilation system. Over time, original hoses can degrade, crack, or become clogged, leading to potential issues such as oil leaks, rough idling, and increased emissions. Replacing a worn or damaged breather hose with this OEM BMW part ensures that your engine's crankcase is properly ventilated. This helps to remove harmful blow-by gases and moisture, preventing pressure buildup within the crankcase. Proper ventilation is crucial for engine longevity and optimal performance. Designed to meet BMW's strict quality and performance standards, this hose offers a direct fit and reliable operation. Ensure your BMW maintains its peak performance and emission control by using genuine replacement parts.
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