BMW 3 4 Series F80 M3 F82 F83 M4 S55 Clean Air Intake Pipe Tube Cyl 4-6 7846271

BMW 3 4 Series F80 M3 F82 F83 M4 S55 Clean Air Intake Pipe Tube Cyl 4-6 is an original intake system component designed for BMW sports models equipped with the S55 engine. It ensures stable airflow to cylinders 4–6, which promotes proper engine operation and the maintenance of factory performance parameters. This is a solution for users who expect reliable fitment and compatibility with the OEM design.

Specifications and technical data

• SKU: 7846271
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7846271
• Substitutable numbers: 13717846271, 7846271
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The presented air pipe is an intake system component responsible for directing the airflow to the second bank of cylinders in the S55 engine. A properly selected intake hose helps maintain stable pressure and flow, which is important for throttle response, engine refinement, and consistent performance under both road and track conditions.

Thanks to a design consistent with factory solutions, flow geometry is preserved, and the risk of leaks in the area of cylinders 4–6 is minimized. This is particularly important in turbocharged engines, where any leaking section of the intake can affect boost performance and engine control unit strategy.

Original origin and fitment

The pipe comes from the BMW parts line, which means factory design and material standards are maintained. Original intake system components are designed for a specific engine unit, ensuring that they:

• provide proper alignment with the manifold and other intake components,
• minimize stress resulting from engine operation and vibrations,
• facilitate installation at standard mounting points.

Such fitment reduces the risk of incorrect installation, rubbing against adjacent components, or the formation of micro-cracks over the long term.

Characteristics of the used component

The offered pipe is a used component, which in practice means it has been removed from a vehicle and was previously in service. For many users, this is a reasonable compromise between cost and maintaining the original intake system specification. For parts of this type, it is crucial to maintain proper sealing and shape – original components from disassembly often fit the factory architecture better than replacements with simplified geometry.

Choosing a used air pipe can be particularly beneficial for repairs following local damage (e.g., cracks, abrasions) or when restoring a car to its OEM configuration after intake modifications.

Application in service and upgrades

This intake section is suitable for both standard repairs and comprehensive inspections of the air supply system in the S55 engine. It can be used in situations such as:

• eliminating leaks in the area of cylinders 4–6,
• reverting from tuning solutions to the factory configuration,
• replacing a missing component after a collision or bodywork repairs.

To maintain the consistency of the entire system, it is worth verifying the condition of other intake sections, clamps, connectors, and related components at the same time. If you are planning a wider range of work on your car's systems, our guide materials may be helpful – check out the article on the symptoms and effects of diesel injector faults, which shows how minor irregularities in auxiliary equipment affect engine performance.

Support with selection and other BMW system components

Selecting the correct intake pipe for a specific M3 or M4 version requires taking into account the engine configuration and equipment. In case of doubt, it is worth comparing the shape and mounting points with the currently installed component or consulting a service center specializing in BMW. If you are assembling a larger set of system components for your car, check out other products available in the Lines, hoses, and pipes category, which will make it easier to complete a consistent set of parts.

Summary of benefits of using the air pipe

BMW 3 4 Series F80 M3 F82 F83 M4 S55 Clean Air Intake Pipe Tube Cyl 4-6 is a solution for users who want to maintain the factory operating characteristics of the S55 engine in the area of cylinders 4–6. Its original origin, fitment to serial mounting points, and preservation of proper airflow geometry promote stable engine operation. It is a practical choice for repairs, service, and restoring a car to its OEM configuration, especially in demanding M3 and M4 models.