This genuine BMW crankcase ventilation hose, part number 11157526645, is essential for the proper functioning of your vehicle's emission control system. It plays a crucial role in managing crankcase pressure by allowing blow-by gases to be recirculated back into the intake system, where they can be burned. Over time, these hoses can degrade due to heat and exposure to engine oil, leading to cracks or leaks. A faulty ventilation hose can result in increased oil consumption, rough idling, potential engine misfires, and the illumination of the check engine light. Replacing a damaged hose with a genuine BMW part ensures a perfect fit and restores the integrity of your emission control system. Maintaining the crankcase ventilation system is vital for engine longevity and environmental compliance. This hose is manufactured to BMW's strict quality standards, guaranteeing durability and reliable performance. Ensure your BMW is running at its best by using authentic replacement parts.
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