BMW F80 M3 F82 M4 Intake Duct Silencer Left Air Filter Box N/S 7846269

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F80 M3 F82 M4 Intake Duct Silencer Left Air Filter Box is an original left-side air filter housing designed for BMW sports models with petrol engines. This component is responsible for stable intake air routing and reducing intake noise, which contributes to more comfortable and predictable engine operation. Thanks to its factory design, it ensures a proper fit to the intake system without the need for modifications.

Specifications and technical data

• SKU: 7846269-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7846269
• Substitutable numbers: 13717846269, 7846269
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Air Filter Housings

Purpose and function in the intake system

The presented air filter housing has been designed specifically for BMW F80 M3 and F82 M4 models with petrol engines. It is an intake system component mounted on the left side of the vehicle, tasked with guiding the airflow to the filter and dampening unwanted resonances and intake noise. As a result, the intake system maintains its factory acoustic characteristics, and the engine operates under stable, predictable conditions.

The properly selected geometry of the ducts and the silencing chamber helps reduce air turbulence before the filter, which promotes even cylinder filling. Maintaining the original air filter housing is particularly important in high-power vehicles, where the precision of air delivery has a direct impact on performance and engine refinement.

Construction and fitment for BMW F80 M3 / F82 M4

The housing is constructed as an OEM component, which means full compatibility with the factory mounting system, filter chamber shape, and intake duct routing. Installation takes place at the original body points on the left side of the engine bay, without the need for modifications or additional adapters. Precise fitment with other intake components minimizes the risk of leaks that could affect sensor readings and engine control unit operation.

The housing design combines the function of air routing with the role of an acoustic silencer, allowing the engine's characteristic sound to be maintained while reducing excessive cabin noise. This is especially important in cars used both in daily traffic and during dynamic driving.

Application in petrol vehicles

The component has been developed for petrol engines, where stable and clean intake air is crucial for proper mixture combustion. The housing works with the factory air filter, ensuring proper flow and protection against external contaminants. By maintaining the original intake system specification, the engine control unit can operate under conditions intended by the manufacturer, without the need for additional tuning.

In high-power vehicles such as the BMW F80 M3 and F82 M4, consistency of intake system components is essential not only for performance but also for engine durability. Using the factory air filter housing allows flow parameters to be kept within the limits set by the manufacturer, which reduces the risk of unwanted deviations in engine operation.

Characteristics of the used component

The offered air filter housing is a used part, sourced from dismantling. This means it may show signs of wear typical for components mounted in the engine bay, while maintaining the functionality required for further use. For many users, this represents a favorable compromise between purchase cost and maintaining the vehicle's original technical specification.

Choosing a used OEM component is particularly attractive for sports cars, where aftermarket replacements may not provide the same fitment and airflow characteristics. The original air filter housing allows for maintaining the integrity of the entire intake system, which is important both in daily use and during more dynamic driving.

Support with selection and related components

When selecting an air filter housing for a BMW, it is worth paying attention to compatibility with the specific body version and intake system, as well as the component's location in the vehicle. If necessary, vehicle identification data and information about the fuel type may be helpful. When expanding or servicing the intake system, it is often worth considering the replacement of other components working with the filter housing, such as intake ducts or intake noise dampening elements.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional intake ducts, resonance chambers, or filter covers, check the available parts in the BMW air filter housings category.

If you are interested in a broader context of sports car modifications, including the impact of the exhaust system on engine performance and its interaction with the intake system, it is worth reading our guide: Performance exhaust system: used manifolds and sports catalytic converters on the road.