Genuine BMW Crankcase Breather Hose - Part No. 16137439923

The crankcase breather hose plays a critical role in your BMW's Positive Crankcase Ventilation (PCV) system. It is responsible for routing blow-by gases, which are a natural byproduct of combustion, from the crankcase back into the intake manifold. This process prevents the accumulation of harmful pressure within the engine and allows these gases to be re-burned, contributing to cleaner emissions. Over time, the original breather hose can become brittle, crack, or clog, leading to a variety of issues. A compromised hose can cause vacuum leaks, rough idling, increased oil consumption, and even trigger engine warning lights. Addressing these issues promptly with a quality replacement is crucial for your vehicle's long-term reliability and performance. Opting for a genuine BMW Crankcase Breather Hose ensures that you are installing a part manufactured to the exact specifications and rigorous quality standards of your vehicle's original equipment. This guarantees a precise fit, optimal functionality, and the durability needed to withstand the demanding conditions under the hood.

• Genuine BMW part for guaranteed compatibility and performance.
• Restores proper crankcase ventilation and pressure regulation.
• Helps prevent oil leaks, vacuum leaks, and engine performance issues.
• Manufactured from high-quality, durable materials for extended lifespan.
• Direct replacement for BMW Part No. 16137439923.
• Essential for maintaining your BMW's emission system integrity.
• Ensures optimal engine efficiency and longevity.