Air Filter Box BMW U06 X1 U11 X2 U10 B38N Airbox Intake Silencer Petrol 8489429

Air Filter Box BMW U06 X1 U11 X2 U10 B38N Airbox Intake Silencer Petrol is an original intake system component designed for the latest generation of BMW petrol engines. It ensures stable airflow to the engine, reduces intake noise, and provides proper seating for the filter element. Thanks to its OEM-compliant design, it is a particularly beneficial solution for repairs and restoring the factory performance parameters of the power unit.

Specifications and technical data

• SKU: 8489429
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8489429
• Substitutable numbers: 8489429, 13718489429
• Fuel type: Petrol
• Category: Air Filter Housings

Purpose and compatibility

The presented Air Filter Box BMW U06 X1 U11 X2 U10 B38N Airbox Intake Silencer Petrol has been designed for the U06 X1, U11 X2, and U10 series models with the B38N petrol engine. The component belongs to the Air filter housings group and is an integral part of the intake system, responsible for airtight airflow from the intake to the engine's intake manifold.

Thanks to its design, which complies with BMW factory standards, the housing works with the stock filter element and factory mounts in the engine bay, which facilitates installation and reduces the risk of improper component fitment.

Construction and technical function

The housing performs several key functions in the petrol engine's intake system:

• ensures stable and airtight seating of the air filter element,
• guides air in a controlled manner, minimizing pressure drops in the intake,
• acts as an intake silencer, reducing noise generated by airflow,
• protects the filter element from contaminants in the engine bay and temperature impact.

Such a solution allows for maintaining stable power unit operating parameters, improves engine refinement, and helps maintain the correct air-fuel mixture ratio.

Benefits of using an original air filter housing

Using a factory housing in a BMW petrol engine provides measurable operational benefits:

• Proper flow characteristics – the shape of the intake ducts is matched to the requirements of the B38N unit, which supports proper cylinder filling.
• Intake noise reduction – the integrated intake silencer limits unwanted sounds, improving acoustic comfort in the cabin.
• Factory mounting points – the housing works with stock brackets and hoses, which facilitates installation and service.
• Consistency with the air measurement system – proper airflow guidance promotes the correct operation of sensors in the intake system.

Component condition and service application

The offered Air Filter Box BMW U06 X1 U11 X2 U10 B38N Airbox Intake Silencer Petrol comes from the secondary market and is intended for service applications when the factory component has suffered mechanical damage, deformation, or wear. Replacing the housing is particularly recommended in the case of:

• cracks in the body causing intake leaks,
• damage to mounts hindering stable attachment,
• trace leaks resulting in the intake of unfiltered air.

Choosing an original housing allows for restoring the factory intake geometry, which is important both for engine durability and the correct operation of the control system.

Support with selection and additional materials

Before purchasing, it is worth comparing the shape and placement of mounts with the component currently installed in the vehicle to confirm compatibility with the specific equipment version. If necessary, vehicle identification data and information about the petrol engine type may also be helpful.

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

For a broader perspective on the modernization and servicing of intake systems and the impact of used parts on the characteristics of a sports car, you can read the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts, which discusses the practical aspects of component selection in vehicles with a similar design philosophy.