BMW 3 Series E90 E92 E93 LCI M3 S65 Crankcase Ventilation Line Hose Pipe 7838288

The BMW E90 E92 E93 LCI M3 S65 Crankcase Breather Hose is an original part from the Hoses, Pipes & Tubes group, designed for the crankcase ventilation system in the S65 engine used in the facelifted E9x M3 models. This used OEM part ensures proper crankcase gas evacuation, contributing to stable engine operation and reducing the risk of incorrect system pressure.

Specifications and technical data

• SKU: 7838288
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7838288
• Substitutable numbers: 11617838288, 7838288
• Category: Hoses, Lines & Pipes

Purpose and Technical Function

The crankcase breather hose in the S65 engine is responsible for the controlled evacuation of oil vapors and gases from the engine interior to the intake system. A properly selected component:

• stabilizes crankcase pressure under load,
• limits blow-by and unwanted oil leaks,
• supports the correct operation of the crankcase ventilation system and engine control system,
• reduces the risk of intake contamination with excess oil vapors.

By using an original hose dedicated to the M3 S65, the factory routing geometry and appropriate flow diameter are maintained, which is crucial for the high RPMs characteristic of this engine.

Compatibility with BMW M3 E90 / E92 / E93 LCI

This part is designed for the S65 engine installed in the facelifted (LCI) E90, E92, and E93 M3 models. This means:

• a perfect fit for factory connectors and mounting points in the engine bay,
• preservation of the original hose routing,
• compatibility with the factory intake and crankcase ventilation system.

In practice, this translates to installation without modifications and maintaining engine performance parameters as intended by the manufacturer. This is particularly important for owners of the high-revving M3 S65, which is sensitive to leaks and improper ventilation.

Characteristics of a Used BMW Part

The offered hose is a removed part and is designated as a used BMW part. This type of component allows for an economical repair of the ventilation system while maintaining the original manufacturer's specifications. For crankcase breather hoses, it is important to preserve:

• the original shape and length of the hose,
• adequate material flexibility at bends,
• correct connection diameters for a leak-free installation.

Choosing an original hose from the same model series minimizes the risk of fitment issues and simplifies future servicing, as the system remains consistent with BMW technical documentation.

Product Group – BMW Hoses, Pipes & Tubes

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as vacuum hoses, coolant hoses, or breather pipes, check the available parts in the BMW Hoses, Pipes & Tubes category.

Technical Support and Selection of Used Parts

When working with used technical system components, it is advisable to follow proven selection and inspection procedures. If you want to expand your knowledge on safely choosing parts from the secondary market, consult the guide Used Brake System: How to Safely Choose Discs, Calipers, and ABS?, which presents universal principles for evaluating used parts in a specialized store environment.