Intercooler Hose BMW G21 G22 Diesel B47 Charge Air Cooler Line Pipe 8479695

Intercooler Hose BMW G21 G22 Diesel B47 Charge Air Cooler Line Pipe is an original intake system component designed for BMW B47 family diesel engines. It ensures a stable, airtight connection between the intercooler and other turbocharging system components, which translates into correct charge air temperature and efficient engine operation. Thanks to its design compliant with the manufacturer's standards, it is a solution technically tailored to the specifics of modern BMW diesel engines.

Specifications and technical data

• SKU: 8479695
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8479695
• Substitutable numbers: 8479695, 11618479695
• Fuel type: Diesel
• Category: Other Air & Fuel Delivery

Purpose and role in the turbocharging system

The intercooler hose in BMW G21 and G22 models with the B47 diesel engine is responsible for transporting compressed air between the turbocharger, intercooler, and subsequent intake system components. Maintaining proper flow and airtightness in this area has a direct impact on:

• stable boost pressure across the entire rev range,
• effective cooling of the charge air,
• efficient engine response to throttle input,
• reduction of power drops resulting from system leaks.

Selecting a component consistent with the BMW design allows for maintaining the factory performance parameters of the engine and supports trouble-free operation of the diesel engine.

Compatibility with the B47 diesel engine

The presented hose has been designed with the specifics of the B47 diesel engine in mind, used in modern BMW G-series models. This means it is perfectly matched to:

• the intake system geometry characteristic of this unit,
• thermal conditions and operating pressures typical for turbocharged diesels,
• the layout of mounts and connectors in the BMW G21 / G22 engine bay.

Such a fit reduces the risk of stress, twisting, or improper positioning of the hose, which is crucial for maintaining stable turbocharging system operation in the long term.

Characteristics of the used component

The offered intercooler hose is a used part, sourced from disassembly. This type of part allows for an economical repair of the intake system while maintaining the original BMW specification. In practice, this means:

• preservation of the factory shape and connection diameters,
• compatibility with stock clamps and mounts,
• possibility of installation in place of a damaged hose without system modifications.

Choosing an original, used component is particularly beneficial where compliance with the manufacturer's design and predictable component behavior during operation are important.

Benefits of using an original intercooler hose

Using the correct intercooler hose in a BMW G21 or G22 translates into a number of practical operational benefits:

• reduction of the risk of power drops resulting from system leaks,
• maintaining the correct charge air temperature,
• stable operation of the B47 diesel engine under load,
• preservation of factory acceleration characteristics and flexibility.

For users who prioritize technical correctness of repairs, choosing a component consistent with the BMW design is a way to maintain predictable engine performance parameters without experimenting with replacements of uncertain specifications.

Expanding technical knowledge and part selection

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as intake hoses, intercooler pipes, or additional air ducts, check the available parts in the Other BMW category.

To compare design solutions used in different brands and sports segments, it is worth familiarizing yourself with the analysis of power units and accompanying systems in high-performance models – this is detailed in the article Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the relationship between part selection and engine operating characteristics.