BMW F20 F21 F30 F31 LCI Air Intake Filter Muffler Duct Pipe 7646769

BMW F20 F21 F30 F31 LCI Air Intake Filter Muffler Duct Pipe is an original intake system component designed for BMW vehicles with petrol engines. It ensures a stable air supply to the engine compartment, which promotes smooth engine operation and the proper functioning of auxiliary equipment. This is a practical solution for users and workshops looking for a proven, factory-made component from the Lines, hoses and pipes category.

Specifications and technical data

• SKU: 7646769
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7646769
• Substitutable numbers: 7646769, 13717646769, KD
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function of the air intake duct

The air intake duct in BMW F20, F21, F30 and F31 LCI models is responsible for directing the airflow from outside the vehicle into the intake system. A properly selected component of this type:

• stabilizes the air supply to the petrol engine under various driving conditions,
• reduces turbulence and unwanted resistance in the intake duct,
• supports the maintenance of correct combustion parameters,
• ensures compatibility with factory mounts and engine compartment covers.

Thanks to the use of an original design, the duct works with the stock intake system, which facilitates installation and subsequent operation.

Benefits of using an original BMW air intake duct

Choosing a factory air intake duct for the BMW F20, F21, F30 and F31 LCI allows you to maintain the integrity of the entire intake system. You receive a component designed specifically for the geometry of the engine compartment, which translates into:

• secure fit to the body and equipment without the need for modifications,
• preservation of the factory airflow path,
• easier diagnostics of potential leaks in the future,
• consistency with other intake system components in the petrol engine.

This solution is particularly beneficial for post-accident repairs, replacing damaged plastic components in the engine compartment, or restoring the car to a condition close to factory specifications.

Condition, origin and practical application

The offered air intake duct is a used component, which allows for economical repair while maintaining the original BMW design. This type of part will work well both in a professional workshop and for a conscious user who services their car themselves. Replacing the duct is a typical service operation performed, among others, after mechanical damage, front-end disassembly, or interference with the intake system.

Why it is worth choosing the right element from the Lines, hoses and pipes group

The intake system in modern BMW petrol engines is built from many components working together. Channels, lines, hoses and pipes are responsible not only for supplying air but also for maintaining tightness and proper flow geometry. Using the correct air intake duct:

• reduces the risk of incorrect installation of other intake components,
• facilitates the servicing of air filters and engine covers,
• helps maintain predictable operating conditions for the engine.

For workshops, this means faster and more predictable repairs, and for the user – stable engine performance and a lower risk of problems associated with poorly matched replacements.

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 intake ducts, air lines or flexible intake pipes, check the available parts in the BMW lines, hoses and pipes category.

Safe selection of a used air intake duct

When purchasing a used intake system component, it is worth paying attention to compatibility with the specific body version and petrol engine, as well as the fitment with other components in the engine compartment. It is helpful to use manufacturer markings and part numbers, which facilitate unambiguous identification. Additional tips on the safe selection of used components can be found in the guide Safe purchase of used car parts online – a step-by-step guide, which discusses practical strategies for selecting parts based on manufacturer markings and technical parameters.