BMW 1 3 Series F20 F30 LCI B47 Engine Filtered Air Intake Pipe Hose Resonator

BMW F20 F30 LCI B47 Air Intake Hose Pipe Duct is an original intake system component designed for B47 diesel engines in facelifted BMW models. It ensures stable airflow to the engine, promoting smooth engine operation and proper turbocharger interaction. Thanks to its factory geometry and LCI body fitment, installation is predictable and organized.

Specifications and technical data

• SKU: 8573994
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8573994
• Substitutable numbers: 13718573994, 8573994, B47, Diesel, BG
• Location on the vehicle: Right
• Category: Other Air & Fuel Delivery

Purpose and Function in the Intake System

The presented air intake pipe is a component of the air supply system in BMW cars with B47 diesel engines. It is responsible for the sealed and directed delivery of air to further intake components, which is crucial for stable turbocharger operation, proper air-fuel mixture, and maintaining correct combustion parameters.

The component has been designed with the F20 and F30 LCI facelifted body styles in mind, taking into account the specific routing of pipes in the engine bay. This ensures the correct distance from adjacent components and reduces the risk of unwanted vibrations and chafing.

Construction, Fitment, and Placement

The air intake pipe is factory-profiled for a specific body style and powertrain, ensuring precise fitment with mounting points and other intake elements. The duct's design accounts for routing on the right side of the vehicle, which is important when verifying compatibility with a specific engine and equipment version.

The original BMW solution ensures:

• maintenance of the designed airflow diameter along the entire length of the pipe,
• correct routing relative to body components and engine accessories,
• direct installation in place of a worn or damaged pipe.

Benefits of Using an Original Air Intake Pipe

Using an original air intake pipe in a BMW with a B47 engine allows for intake system operating parameters to be maintained as per the manufacturer's specifications. Proper airflow affects throttle response, engine running smoothness, and interaction with the engine control system. Maintaining the pipe's seal and correct shape reduces the risk of power loss due to leaks or flow turbulence.

For the user, this means more predictable vehicle behavior, easier diagnosis of potential faults, and the ability to use factory engine parameters without the need for software modifications or additional adaptations.

Condition, Origin, and Installation Aspects

The component comes from the BMW group and is part of the original intake system used in versions with the B47 diesel engine. As a used component, it retains its factory geometry and mounting method, which facilitates installation in place of the previous pipe. When replacing, it is recommended to inspect the cooperating clamps, bands, and seals to maintain full system tightness.

The air intake pipe is particularly useful in situations where the existing pipe has cracked, deformed due to heat, or suffered mechanical damage, as well as after collisions that have compromised components in the front of the engine bay. Replacing it with an original pipe restores the correct intake path without altering the vehicle's structure.

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 additional intake pipes, air ducts, or air routing elements, check the available parts in the Other BMW category.

Technical Support and Additional Materials

When selecting intake system components, it is advisable to pay attention to compatibility with the specific engine version and vehicle year, as well as the pipe's placement relative to other components. If you have doubts regarding the differences between sport and standard versions, especially concerning the powertrain and chassis, comparative materials may be helpful, such as the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which discusses the impact of structural changes on engine and accessory operation.

If you are considering choosing between new and used parts, a comparison of costs and durability of different solutions may also be useful – you can find it in the guide New or Used? A Comparison of Costs and Quality of Car Parts, which discusses practical aspects of using OEM parts from the aftermarket.