BMW E81 E87 E90 E91 F10 F30 Diesel N47 N57 Turbo Air Filter Pipe Hose 7803847

The BMW E60 E81 E87 E90 E91 E92 Crankcase Ventilation Hose is an original component of the crankcase ventilation system, designed for Diesel engines in popular BMW 1, 3, and 5 Series models. Thanks to its factory geometry and fit, the hose ensures stable oil vapor routing and proper intake system operation, which translates to efficient engine performance.

Specifications and technical data

• SKU: 7803847-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 13717803842
• Substitutable numbers: 13717803842, 7803842, 7803848, 13717803848, 13717803847, 7803847, 586509
• Fuel type: Diesel
• Category: Other Engine Parts

Purpose and Function of the BMW Ventilation Hose

The presented ventilation hose is a component of the crankcase ventilation system in BMW vehicles with diesel engines. It is responsible for the controlled removal of gases from the engine interior to the intake system, which reduces overpressure in the crankcase and helps maintain stable engine operating parameters.

A properly selected ventilation hose is important for:

• maintaining correct pressure in diesel engines,
• reducing the risk of oil leaks and contamination of accessories,
• stable operation of the turbocharging and intake system,
• maintaining smooth idle operation.

Compatibility with BMW 1, 3, and 5 Series Models

The hose has been designed for BMW E60, E81, E87, E90, E91, and E92 platforms with diesel engines. This means it is tailored to the engine bay architecture of these generations, ensuring proper hose routing and the possibility of mounting in factory attachment points.

Thanks to the use of original geometry, the component allows for maintaining the factory hose route, which facilitates servicing and reduces the risk of collision with other components in the engine bay.

Technical Characteristics and User Benefits

As a component from the Other category, the ventilation hose plays an important, though often underestimated, role in the engine system. Replacing a worn or leaking hose with a functional component helps to limit common operational problems in diesel engines, such as excessive intake oiling or unstable operation under load.

Key benefits of using this hose include:

• maintaining the original crankcase ventilation system concept in diesel engines,
• improving system sealing and reducing uncontrolled oil vapor leaks,
• supporting smooth engine operation across the full RPM range,
• easier intake system diagnostics due to predictable hose routing.

Condition, Origin, and Service Application

The offered component is a part of BMW, which means it complies with the brand's factory design standards. As a used component, the hose offers a cost-effective solution for crankcase ventilation system repairs, especially in vehicles used intensively or with higher mileage.

The hose is suitable for both standard replacement of worn ventilation system components and for comprehensive intake servicing in diesel engines, where restoring sealing and proper gas circulation is important.

Related Products and Technical Knowledge

If you are looking for other components from the Other category dedicated to this brand, check out our offer for other BMW parts, where you will find a wide selection of components for various models and generations.

For those interested in comparing the characteristics of sports car versions with series production designs, we recommend the blog article: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses differences in engine, brake, and chassis construction and the impact of these changes on spare part selection.

If you are considering a broader use of used components in your project or service, it is worth familiarizing yourself with practical tips in the text Buying Used Car Parts – Common Mistakes When Choosing Parts for Tuning, to consciously plan repairs and upgrades.

Summary

The BMW E60 E81 E87 E90 E91 E92 Crankcase Ventilation Hose is a functional component of the crankcase ventilation system in Diesel engines, designed for specific BMW generations. Using the original hose helps maintain proper engine operation, reduce intake problems, and maintain consistency with the vehicle's factory design, which is important for both reliability and subsequent service diagnostics.