Mini F65 F66 F67 Air Filter Box Intake Silencer B48N B48P Petrol 5A30AC8

Mini F65 F66 F67 Air Filter Box Intake Silencer for B48N and B48P petrol engines is a precision-engineered intake system component designed to effectively dampen intake noise and ensure stable airflow to the engine. This intake silencer provides optimal operating conditions for the powertrain, supporting smooth performance, efficiency, and component durability. With a design compliant with manufacturer standards, it is a technically perfect fit for the specific requirements of this Mini series.

Specifications and technical data

• SKU: 5A30AC8
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 5A30AC8
• Substitutable numbers: 13715A30AC8, 5A30AC8
• Fuel type: Petrol
• Part type: Air Filter Housing
• Category: Air Filter Housings

Purpose and function in the intake system

The presented air filter box belongs to the group of components responsible for the proper preparation of air intake for the petrol engine. In Mini F65, F66, and F67 models with B48N/B48P units, it is responsible for:

• maintaining a stable position of the air filter element in the engine bay,
• dampening vibrations and noise generated by airflow,
• directing air to the intake manifold in a way that minimizes pressure drops,
• protecting the filter from contaminants outside the engine bay.

As a result, the intake system operates predictably, and engine supply parameters remain stable under various operating conditions.

Construction and fitment for Mini F65/F66/F67

The housing has been designed specifically for the Mini F-series platform, which translates into factory-fit compatibility with engine bay mounts and geometry. The shape and layout of the ports and mounting points are consistent with the manufacturer's original solutions, facilitating installation and minimizing the risk of leaks in the intake system.

As an item from the Air Filter Boxes category, the product works in conjunction with intake ducts, the mass airflow sensor (if present in the specific configuration), and other air intake components to create a cohesive, sealed, and acoustically optimized assembly.

Benefits of using an original filter box

Using the correct air filter box in a Mini petrol engine provides a range of practical operational benefits:

• Stable engine performance – properly routed air reduces sensor reading fluctuations and supports correct fuel metering.
• Intake noise reduction – the intake silencer function reduces unwanted suction sounds, improving acoustic comfort inside the cabin.
• Better air filter protection – a rigid, well-fitted housing reduces the risk of contaminants bypassing the filter element.
• Consistency with factory design – maintaining the original intake geometry facilitates future diagnostics and servicing.

This solution is particularly recommended for post-collision repairs, replacing a damaged intake system, or restoring a vehicle to a factory-like configuration.

Characteristics of the used component

The offered air filter box is a used part, meaning it has been removed from a vehicle and verified for further serviceability. This type of component allows for an economical restoration of the intake system's efficiency while maintaining compliance with the manufacturer's specifications. In many cases, it is a cost-effective alternative to new parts, especially for routine repairs and servicing of older vehicles.

If you would like to compare the cost-effectiveness of purchasing new, aftermarket, or used parts, you may find this article helpful: Original, aftermarket, or used – which car parts are the most cost-effective?

Expanding the Mini intake system

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as additional housings, intake ducts, or mounting elements, check out the available parts in the Mini Air Filter Boxes category.