BMW E60 E81 E87 E90 E91 E92 Turbo Air Filter Pipe Hose 7803847

BMW E60 E87 E90 E92 Crankcase Ventilation Hose Air Pipe is a component from the Hoses, Tubes, and Pipes category, designed for the crankcase ventilation system in popular BMW 1, 3, and 5 Series models. The original BMW OE design ensures proper airflow and stable operation of the crankcase ventilation system, leading to more predictable engine behavior and reduced issues with excessive system pressure.

Specifications and technical data

• SKU: 7803847
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7803842
• Substitutable numbers: 13717803842, 7803842, 7803848, 13717803848, 13717803847, 7803847, 586509
• Category: Hoses, Lines & Pipes

Purpose and Function in the BMW Crankcase Ventilation System

The crankcase ventilation hose in this version is responsible for the controlled discharge of oil vapors and gases from the crankcase into the intake system. In BMW E60, E87, E90, and E92 vehicles, a properly functioning air pipe in the crankcase ventilation system is crucial for:

• maintaining stable crankcase pressure,
• reducing oil leaks and blow-by,
• minimizing the risk of intake manifold contamination,
• ensuring smoother engine operation across the full range of loads.

By using an original crankcase ventilation hose, you can restore the factory flow characteristics, which is particularly important after years of use when old hoses tend to crack, become brittle, or leak.

Construction and Fitment for BMW Models

The element in question belongs to the group of hoses, tubes, and pipes specifically designed for the engine bay geometry of BMW E60, E87, E90, and E92. This means that:

• the hose shape is adapted to factory mounting points,
• the connection diameters match the original crankcase ventilation and intake manifold ports,
• the pipe routing minimizes the risk of rubbing against other accessory components.

This precise fit facilitates installation and helps avoid stress that often occurs when using aftermarket parts with inaccurate geometry. The original BMW OE solution also contributes to maintaining system seal, which directly impacts correct mixture values and engine control unit operation.

Benefits of Using an Original Crankcase Ventilation Hose

Using an air hose that complies with the factory BMW specification offers a range of practical operational benefits:

• Stable Crankcase Ventilation System Operation – proper gas flow limits the buildup of overpressure in the crankcase.
• Improved Intake System Sealing – correctly fitted ends and connectors reduce the risk of leaks that can cause ECU errors.
• Reduced Contamination – a functional hose helps minimize the amount of oil and carbon deposits entering the intake.
• Easier Diagnostics – using OEM parts simplifies the work for mechanics and service centers that rely on factory diagrams.

For users who want to maintain their BMW in a condition close to factory original, choosing an original crankcase ventilation hose is a safe and predictable solution in terms of operating parameters.

Condition, Verification, and Service Application

This element is from the BMW OE parts group and is intended for reinstallation in vehicles experiencing issues with the crankcase ventilation system, such as leaks, cracked hoses, or unstable idle operation. The hose is suitable for both standard preventive replacement and comprehensive crankcase ventilation system servicing, along with other intake components.

If you have doubts about compatibility with a specific engine version, it is advisable to compare the designations in the technical specifications with your vehicle's documentation or the numbers on the removed part. This will help avoid installation errors and speed up the repair process.

Other BMW Hoses, Tubes, and Pipes and Service Tips

If you are looking for other BMW hoses, tubes, and pipes for your car, check out the BMW hoses, tubes, and pipes available in our store to select a complete solution for your entire intake and crankcase ventilation system. When planning more extensive servicing, it is also worth familiarizing yourself with practical tips on car maintenance – the article TOP 10 Most Frequently Replaced Parts in Your Car will be helpful, providing specific advice on how to plan component replacements rationally and reduce unnecessary costs.