Genuine 11 15 7 559 528 Crankcase Breather Hose BMW Engine - 11 15 7 559 528 N52

The Genuine BMW 11 15 7 559 528 Crankcase Breather Hose is an OEM replacement part designed to maintain proper crankcase ventilation in BMW vehicles equipped with N52 engines. This three-way crankcase vent hose connects the engine's PCV (Positive Crankcase Ventilation) system to the intake manifold, allowing blow-by gases to be recirculated back into the combustion process.

Key Features:

• Genuine BMW OEM part ensures perfect fit and reliable performance
• Three-way design connects multiple ventilation points in the crankcase system
• Constructed from durable EPDM rubber material resistant to heat and oil degradation
• Direct replacement for BMW part number 11157559528
• Prevents vacuum leaks that can cause rough idle and check engine lights
• Designed specifically for N52 2.5L and 3.0L engines

This breather hose is a common maintenance item that can deteriorate over time due to exposure to engine heat and oil vapors. Replacing a worn or cracked breather hose restores proper engine performance and prevents potential diagnostic trouble codes related to the PCV system.

Cross-Reference Numbers: 11157581815, 7559528, 35022, 2380051, V20-2277, ABV0163