BMW 3 4 Series F80 M3 F82 M4 Intake Duct Silencer Left N/S 7846267

The Left Air Intake Silencer for BMW 3 / 4 F80 M3 F82 M4 is an original intake system component, specifically designed for the sporty versions of the 3 and 4 Series. As part of the Air and Fuel Intake Sensors group, it works with the factory installation, ensuring stable engine operating conditions and proper airflow. A used OEM component is a sensible choice for drivers who want to maintain the factory performance characteristics of the powertrain while managing service costs.

Specifications and technical data

• SKU: 7846267
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7846267
• Substitutable numbers: 13717846267, 7846267
• Location on the vehicle: Left
• Category: Air Intake & Fuel Sensors

Purpose and Function in the Intake System

The left air intake silencer is designed for installation on the left side of the vehicle, within the factory intake duct in BMW F80 M3 and F82 M4 models. Its purpose is to shape the airflow drawn into the engine and reduce noise generated by the intake system, contributing to a more comfortable acoustic experience without compromising performance.

This component works in conjunction with other parts from the Air and Fuel Intake Sensors group, forming a cohesive system responsible for stable engine supply conditions. Maintaining the original geometry and structural rigidity is important for both correct airflow and the durability of the entire intake tract.

Construction and Fitment for BMW F80 M3 / F82 M4

The air intake silencer in question has been designed by BMW with the specific requirements of the M3 and M4 versions in mind, where the intake system must withstand higher thermal and airflow loads. The original design ensures:

• precise fitment to the factory mounting points on the left side of the body,
• compatibility with the stock intake hoses and air filter housing,
• preservation of factory acoustic and airflow characteristics.

This allows for an organized installation process, without the need for modifications or additional adapters, and keeps the entire system compliant with the vehicle manufacturer's specifications.

Benefits of Using an Original Intake Silencer

Using the original left air intake silencer in the BMW F80 M3 / F82 M4 helps maintain the integrity of the entire intake system. Key benefits include:

• factory fitment – maintaining original geometry and seal integrity,
• stable operating conditions for air intake sensors,
• reduction of unwanted resonances and vibrations in the intake duct,
• no interference with engine control maps and operating parameters.

For users who wish to keep their car in a configuration close to factory specifications, choosing a used OEM part is often more predictable than installing aftermarket replacements with unknown characteristics.

Part Selection by Numbers and Parameters

When selecting these types of intake system components, it is important to pay attention to compatibility with the specific body and engine version, as well as related manufacturer markings. In practice, this means verifying the part number, interchangeable numbers, and fitment for the installation side in the vehicle. If in doubt, it is advisable to consult catalog data or the VIN to avoid compatibility issues.

If you want to better understand how to safely choose used parts from the engine electronics and accessories group, including sensors that work with the intake system, the Global Parts guide will be helpful – Used Car Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

Alternative Parts from the Same Category

When expanding or undertaking a comprehensive repair of the intake system in BMW 3 and 4 Series vehicles, it is also worth considering other components from the same functional group, such as additional air tract elements or associated sensors. If you are planning a broader range of service work on the air and fuel supply system in your BMW, check the available parts in the BMW Air and Fuel Intake Sensors category.