Connecting Tube BMW G20 G30 X3 G01 Air Intake Duct Pipe Inlet Hose 8587520

BMW G20 G30 X3 G01 Intake Hose Air Duct Diesel B47 is an original part from the Hoses, Pipes and Tubes group, designed for the intake system of B47 diesel engines in BMW 3 Series G20, 5 Series G30, and X3 G01 models. Precise geometry and factory fit ensure stable air delivery to the engine, promoting smooth engine operation and proper interaction with auxiliary components.

Specifications and technical data

• SKU: 8587520
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8587520
• Substitutable numbers: 8587520, 11658587520
• Category: Hoses, Lines & Pipes

Purpose and Function in the Intake System

The intake air hose in a B47 diesel engine is responsible for the sealed and controlled delivery of air to the intake system, from filtering elements to subsequent engine components. Proper airflow directly impacts:

• engine stability across the full load range,
• correct boost pressure and air-fuel mixture values,
• combustion efficiency and engine running smoothness,
• reduction of power losses resulting from intake leaks.

Thanks to its construction adhering to factory BMW standards, the B47 Diesel air hose maintains appropriate rigidity and flexibility under typical operating conditions, minimizing the risk of deformation and leaks.

Benefits of Using an Original BMW Intake Hose

Using an original intake hose in BMW G20, G30, and X3 G01 models allows for maintaining intake system operating parameters as intended by the manufacturer. Key benefits include:

• Factory Fit to engine bay geometry, mounting points, and connector diameters,
• appropriately selected wall stiffness, preventing hose collapse under high airflow,
• compatibility with B47 engine components, including filtration elements and downstream intake sections,
• maintenance of predictable flow characteristics, facilitating diagnostics and servicing.

By choosing an original BMW intake hose, you reduce the risk of problems typical of aftermarket parts with imprecise shapes or incorrect material hardness, which can lead to leaks, vibrations, or improper seating on connectors.

Item Condition and Installation Aspects

The offered hose is a used part, meaning it comes from a dismantled vehicle and is intended for further use after proper installation. Such a component, if it maintains its seal and has no mechanical damage, can successfully operate in the intake system for a long time.

Before installation, it is recommended to:

• inspect the seats and clamps for contamination,
• check the contact surfaces with the connectors,
• verify the correct routing of the hose relative to other components in the engine bay.

A properly prepared intake hose allows for efficient restoration of proper airflow in the intake system without the need for intervention in other sub-assemblies.

Application in BMW Models with B47 Engine

The BMW G20 G30 X3 G01 Intake Hose Air Duct Diesel B47 is dedicated to modern B47 diesel engines used in popular BMW 3 Series, 5 Series, and X3 models. This makes it a practical solution for both standard replacement of a worn-out part and for repairs after an intake system failure.

Selecting a hose that matches the engine designation and body generation helps avoid clearance issues with other components in the engine bay and ensures correct air delivery across the entire RPM range.

Intake System Expansion and Auxiliary Materials

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

For users who are simultaneously servicing the fuel system, advisory materials on diagnostics and component selection by OEM numbers may also be useful. In such cases, it is worth referring to the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which helps to consolidate knowledge about the interaction of fuel system components with the intake system and facilitates planning further service work.