BMW 3 Series E46 M52 Petrol Intake Silencer Air Filter Box Housing 7503496

BMW 3 Series E46 M52 Petrol Intake Silencer Air Filter Box Housing is an original intake system component, designed specifically for M52 engines. Its robust construction ensures stable mounting of the filter element and proper airflow to the engine. It is a practical solution for users looking for a factory-fitted intake component in a used condition.

Specifications and technical data

• SKU: 7503496
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7503496
• Substitutable numbers: 13717503496, 7503496, EM
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and function in the intake system

The presented air filter housing is a component from the Intake Manifolds group, compatible with the M52 petrol engine in the BMW 3 Series E46. Its task is to securely seat the filter element and direct the airflow so that the cleanest and most evenly distributed air possible reaches the intake manifold.

A properly selected filter housing helps maintain stable engine performance parameters, reduces turbulence in the intake, and supports the correct operation of the mass airflow sensor. For a petrol engine, this is important both in terms of smooth operation and fuel consumption.

Construction and technical features

The air filter housing for the M52 engine has been designed as a component matched to the geometry of the BMW E46 engine bay. The design provides for appropriate routing of intake ducts, mounting points, and space for a filter element compliant with the manufacturer's specifications.

Key features of this component include:

• factory fitment for the M52 petrol engine intake system,
• engineered airflow path, reducing unwanted turbulence,
• compatibility with standard intake components in the BMW 3 Series E46.

Thanks to this, the housing allows for maintaining flow parameters close to factory specifications, which is particularly important when operating the vehicle in everyday conditions.

Benefits of using an original filter housing

Using an original air filter housing instead of universal or modified components allows for maintaining the consistency of the entire intake system. This is especially important in the case of petrol engines, where the engine control unit is calibrated for a specific intake geometry.

The most important advantages include:

• stable engine operating conditions due to predictable airflow,
• preservation of the factory design assumptions of the intake system,
• easier diagnostics and service, as the component corresponds to the original BMW specification.

Condition and service application

The component comes from the secondary market and is intended for reinstallation in BMW 3 Series E46 vehicles with an M52 petrol engine. This type of part is suitable both for a standard replacement of a damaged housing and for restoring the intake system to a configuration close to factory standards after previous modifications.

For workshops and individual users, choosing an original, used air filter housing is often a beneficial compromise between quality and repair cost, while maintaining compliance with factory design solutions.

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 manifolds, intake hoses, or additional intake system elements, check out the available parts in the BMW Intake Manifolds category.

More about exhaust and intake flow systems

When working on the intake system, it is also worth paying attention to the interaction with the exhaust system, which affects the overall flow characteristics of the engine. If you are interested in a broader context of selecting components for cars such as BMW, Mercedes, Audi, VW, or Mini, check out the article Performance exhaust system: used manifolds and sports catalytic converters on the road, where you will find practical tips regarding working with engine flow system components.