HomeEmission Control > Crankcase Ventilation SystemGenuine 11157646086 Engine Crankcase Breather Hose
Part #: 11157646086

Genuine 11157646086 Engine Crankcase Breather Hose

⚙️ 4 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$117.49Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 750Li and X5
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Genuine Engine Crankcase Breather Hose

The Genuine Engine Crankcase Breather Hose, part number 11157646086, is designed specifically for select BMW models including the 750Li and X5. This component plays a critical role in the vehicle's emission control system by managing crankcase ventilation effectively.

  • Compatible with BMW 750Li and X5 models
  • Part number 11157646086 ensures exact OEM fit
  • Essential for proper crankcase ventilation and emission control
  • Durable construction to withstand engine conditions
  • Direct replacement for factory-installed breather hose

Product Details and Functionality

This Genuine crankcase breather hose is engineered to maintain optimal engine performance by allowing the controlled release of gases from the crankcase. It connects the crankcase to the intake system, preventing pressure buildup and reducing harmful emissions. The hose is manufactured to meet BMW’s specifications, ensuring reliable operation and compatibility with the 750Li and X5 models. Using part number 11157646086 guarantees a precise fit and maintains the integrity of the emission control system.

Common Applications and Problem Resolution

  • Prevents crankcase pressure buildup that can cause oil leaks
  • Reduces engine emissions by routing gases properly
  • Helps avoid rough idling or engine performance issues related to ventilation
  • Addresses potential check engine light triggers related to crankcase ventilation
  • Mitigates contamination of engine oil by separating blow-by gases

Installation Notes and Tips

Installation of the Genuine Engine Crankcase Breather Hose (11157646086) should be performed with care to ensure a secure and leak-free connection. It is recommended to inspect surrounding components such as clamps and connectors during replacement. Proper routing according to BMW factory guidelines is essential to maintain system integrity. Professional installation is advised for optimal results.

Quality Assurance and Warranty

As a Genuine BMW part, the 11157646086 breather hose meets strict quality standards for durability and performance. It is manufactured to OEM specifications to ensure compatibility and longevity. Warranty coverage is provided in accordance with BMW’s parts warranty policies, offering assurance of product reliability when installed correctly.

This part fits 4 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2013BMW750LiN/ACylinders 1-4
2013BMWX5xDrive50iN/ACylinders 1-4
2012BMWX5xDrive50iN/ACylinders 1-4
2011BMWX5xDrive50iN/ACylinders 1-4

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.