BMW E87 E90 Air Box 116i N45 316i N43 Filter Intake Silencer Box 7524412

BMW E87 E90 Air Box 116i N45 316i N43 Filter Intake Silencer Box is an original intake system component designed for selected 1 Series and 3 Series models, ensuring stable engine operating conditions. Thanks to its factory design, the housing guarantees proper airflow management and secure seating of the filter element, which translates into safe operation of the power unit and predictable performance parameters. This solution is particularly beneficial for vehicle maintenance where compliance with factory specifications and consistency with the original BMW intake system are prioritized.

Specifications and technical data

• SKU: 7524412-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7524412
• Substitutable numbers: 7567174, 13717524412, 7524412, 13717543161, 7543161, 13717523628, 7523628, BG
• Category: Air Filter Housings

Purpose and function in the intake system

The air filter housing in BMW E81, E87, and E90 models with 116i and 316i engines is responsible for airtight air routing from the intake to the filter element and further to the intake manifold. A properly selected housing:

• ensures stable mounting of the air filter in the position intended by the manufacturer,
• limits the ingress of solid contaminants into the intake system,
• maintains the correct airflow geometry, which promotes smooth engine operation,
• minimizes the risk of leaks and uncontrolled "false" air intake.

By maintaining the factory shape and mounting points, the intake system remains consistent with the BMW design, which is essential for both the durability of the engine and the correct operation of the control electronics.

Construction and fitment for BMW 1 Series and 3 Series

The presented housing belongs to the Air filter housings category and was designed specifically for the engine bay architecture of selected BMW E81, E87, and E90 versions. This means that:

• the arrangement of mounting points is adapted to the factory brackets in the bodywork,
• the shape of the housing accounts for the routing of cables, harnesses, and other auxiliary components,
• space is provided for the standard air filter element used in these power units.

Such fitment facilitates installation and allows for maintaining the original engine bay configuration without the need to modify other components.

Characteristics of the used component

The housing comes from dismantling, which means it is a used part but still intended for further use. In practice, this allows for:

• maintaining the original build quality typical of BMW parts,
• reducing repair costs compared to purchasing a new component,
• maintaining material and structural consistency with other intake system components.

For workshops and private users, this means the possibility of an economical repair while maintaining the factory assembly standard.

Identification and compatibility with part numbers

The air filter housing has an assigned OEM part number and associated interchangeable numbers, which facilitates precise identification in BMW catalogs and parts selection systems. This allows for verifying compatibility with a specific engine version and vehicle year, as well as comparing it with other references used within the same family of power units. For service centers and automotive shops, this is important from the perspective of minimizing the risk of selecting an incorrect component.

Application in service practice

Replacing the air filter housing is recommended in situations where the factory component has suffered mechanical damage, deformation, or has lost its seal. Using an original housing from the same BMW model group allows you to:

• restore the proper tightness of the intake system,
• ensure correct seating of the filter element,
• maintain the manufacturer-intended routing of hoses and vacuum lines around the housing.

For the end user, this translates into stable engine operation, predictable throttle response, and maintenance of factory performance parameters.

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

For 3 Series and 5 Series owners who are also taking care of vehicle electronics and want to better understand the possibilities of using components from dismantling, an article describing a practical approach to servicing multimedia systems and controllers may be helpful – more information can be found in the material Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 Series and 5 Series models.