BMW G20 G21 G22 G26 Diesel Blow Pipe Breather Hose Line Tube 8598288

BMW G20 G21 G22 G26 Diesel Blow Pipe Breather Hose Line Tube is an original crankcase ventilation system component designed for diesel engines. As part of the Lines, hoses and pipes group, it ensures a tight and stable routing of engine gases, which supports the proper operation of the power unit and reduces the risk of leaks. This used OEM part is a sensible choice for users looking for a factory fit without the need to invest in a new component.

Specifications and technical data

• SKU: 8598288
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8598288
• Substitutable numbers: 8598288, 11158598288
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in a diesel engine

The presented breather hose is designed to work with BMW G20, G21, G22, and G26 series diesel engines. It is responsible for the safe discharge of oil vapors and gases from the crankcase, directing them back into the intake system. A properly functioning hose:

• stabilizes pressure in the crankcase,
• reduces engine "sweating" and the formation of leaks,
• supports cleaner operation of the power unit,
• reduces the risk of oil and carbon deposit contamination of accessories.

Thanks to its factory geometry and internal diameter, the hose ensures proper gas flow, which is particularly important in modern diesel units with precisely tuned operating parameters.

Construction and fitment for BMW

The breather hose in this version was developed by BMW as an element of the engine ventilation system, taking into account the specific routing of the installation in the engine bay of the G20, G21, G22, and G26 models. The properly shaped tube:

• facilitates installation in original brackets and guides,
• ensures collision-free routing relative to other components,
• minimizes material stress during engine operation and vibration.

As an element from the Lines, hoses and pipes group, the hose is part of a larger system where tightness and temperature resistance have a direct impact on the durability of the entire engine.

Benefits of using an original breather hose

Using an original breather hose in a BMW diesel engine brings a number of practical operational benefits:

• Factory fit – no need for modifications, drilling, or custom adapters.
• Consistency with other system components – the hose works with factory fittings, connectors, and mounts.
• Stable engine operating parameters – proper crankcase ventilation reduces pressure fluctuations and unwanted blow-by.
• Better control over oil consumption – correct vapor discharge reduces the risk of excessive oil being "drawn" into the intake.

For users who want to keep their car in a configuration close to the factory state, choosing an original breather hose is a technically safe and predictable solution in terms of durability.

Condition, origin, and service application

The offered hose is a used component, which allows you to combine factory OEM quality with a more favorable purchase cost. This type of part works great for:

• routine engine ventilation system repairs,
• eliminating leaks and oil seepage in the breather area,
• preventive replacement during major service work in the engine bay.

Thanks to the preservation of the original specification, the hose can be used as a direct replacement for a worn or damaged element, without interfering with the vehicle's construction.

Integration with other BMW lines and components

In modern BMW models, the ventilation system is closely linked to other installations in the engine bay. 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 lines, cooling system hoses, or fuel pipes, check the available parts in the BMW lines, hoses and pipes category.

If you want to better understand when it pays to reach for original used components instead of investing in regeneration, it is worth reading our practical service guide: Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?.