Genuine BMW 11-15-7-843-151 Crankcase Breather Hose

The Genuine BMW 11-15-7-843-151 Crankcase Breather Hose is an original equipment manufacturer (OEM) replacement component designed for the crankcase ventilation system in BMW F10 M5 and related models. This critical hose connects the crankcase breather valve to the intake system, ensuring proper ventilation of gases from the engine crankcase.

Key Features:

• OEM BMW quality construction ensuring exact fit and durability
• Heat-resistant materials designed to withstand high engine temperatures
• Direct replacement for worn or cracked original hose
• Maintains proper crankcase ventilation and prevents vacuum leaks
• Helps prevent rough idle, check engine lights, and poor fuel economy

The positive crankcase ventilation system is essential for proper engine operation and emissions control. Over time, these plastic hoses can become brittle and crack, leading to vacuum leaks that cause rough idle when cold, poor fuel economy, and activation of the check engine light. This genuine BMW replacement hose restores proper function and ensures reliable performance. Compatible with BMW F10 5 Series M5 models equipped with the S63 twin-turbocharged V8 engine.