Air Intake Hose BMW F20 F21 F30 F31 N47N Filtered Air Intake Pipe 7810745

Air Intake Hose BMW F20 F21 F30 F31 N47N Filtered Air Intake Pipe is an original air supply system component designed for the 3 Series F30 generation models. Engineered by BMW, it ensures stable airflow to the intake system, which promotes smooth engine operation and predictable performance. This used OEM component is a sensible choice for servicing or repairing the factory intake system.

Specifications and technical data

• SKU: 7810745-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810745
• Substitutable numbers: 13717810745, 7810745, BG
• Category: Other Engine Parts

Purpose and function of the air intake duct

The presented intake pipe is responsible for directing air from outside the vehicle to the filter area and subsequent components of the supply system. The properly shaped cross-section and factory geometry help to limit pressure drops and reduce air turbulence within the duct. As a result, the engine can operate under stable flow conditions, which promotes consistent combustion parameters.

In the case of the 3 Series F30, using the original intake duct is particularly important for maintaining compatibility with the factory engine bay layout, covers, and stock mounts. This element is designed as part of a larger system, which is why replacing it with an OEM component helps avoid fitment issues and unwanted resonances.

Construction and fitment for BMW F30

Air Intake Hose BMW F20 F21 F30 F31 N47N Filtered Air Intake Pipe is structurally prepared for installation at the stock mounting points provided by the manufacturer. This means it can be installed without the need for bodywork modifications or additional bracket adjustments. The shape of the duct is optimized for the space in the engine bay, which facilitates the routing of other installations and the servicing of other components.

The original design promotes airtight connections with adjacent intake system components. Proper fitment reduces the risk of sucking in unfiltered air and minimizes flow noise. For the user, this means more predictable engine behavior and a lower risk of unwanted sounds from the intake area.

Benefits of using an original BMW component

Using a factory intake duct in the 3 Series F30 offers a number of practical benefits:

• maintaining compatibility with the intake system design developed by the vehicle manufacturer,
• secure fitment to stock mounts and covers in the engine bay,
• reduced risk of leaks at connections with other components,
• stable airflow conditions under typical operating loads.

For workshops and users, this means simpler installation, a predictable service result, and maintaining engine performance characteristics close to factory specifications. In the event of replacing a damaged or deformed duct, choosing an original component helps restore the correct routing of lines in the engine bay and avoid collisions with other components.

Condition and service application

The offered item is in used condition, which allows for an economical repair of the intake system while maintaining the manufacturer's original specifications. This type of component is suitable both for standard replacement of a damaged pipe and for vehicle reconstruction after a collision, where it is important to recreate the factory routing of air ducts.

Before installation, a standard visual inspection for potential mechanical damage and proper seating in the stock mounts is recommended. A correctly installed intake duct supports even airflow to the engine, which is important for both dynamics and the durability of other supply system components.

Related components and technical knowledge

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 additional air ducts, intake hoses, or filter housings, check out the available parts in the Other BMW category.

For a better understanding of the impact of the intake, braking, and chassis systems on the characteristics of high-performance cars, it is worth checking out material comparing the construction of sports versions to stock models – you can find a detailed discussion in the article Audi RS vs other models – what is hidden under the hood and chassis?.