Genuine 11157646086 Engine Crankcase Breather Hose

Engine Crankcase Breather Hose for BMW

This Genuine engine crankcase breather hose, part number 11157646086, is a direct-fit emission control component for crankcase ventilation service. It is listed for select BMW applications, including the 2013 BMW 750Li and 2011-2013 BMW X5 with cylinders 1-4.

Key Features

• Genuine OE replacement crankcase breather hose
• Part number 11157646086 for identification and ordering
• Fits 2013 BMW 750Li, cylinders 1-4
• Fits 2011-2013 BMW X5, cylinders 1-4
• Supports the crankcase ventilation system in emission control service

Detailed Description

The 11157646086 breather hose routes crankcase vapors within the emission control system and connects the ventilation circuit on the specified BMW engines. For BMW 750Li and BMW X5 applications, this hose is the correct service part when replacing a cracked, leaking, or restricted crankcase ventilation hose. Use part number 11157646086 to verify the exact match before ordering.

What It Helps Address

• Oil vapor leaks from a damaged crankcase breather hose
• Rough idle caused by unmetered air entering the ventilation system
• Crankcase pressure issues from restricted hose flow
• Check engine concerns related to ventilation system faults
• Visible cracking, hardening, or collapse of the original hose

Installation Notes and Tips

Confirm engine coverage by VIN and cylinder application before installation. Inspect adjoining ventilation components, seals, and hose connections for wear before reassembly. This part is listed for the BMW 750Li and BMW X5 applications shown above, so verify routing and connection points against the original hose before service.

Quality Assurance

Genuine parts are built to OE specifications for the listed BMW applications, helping ensure proper fit and function in the crankcase ventilation system. This part cross-references BMW OE number 11157646086 for the same application.