BMW G30 G31 Air Filter Box Intake Air Duct Guide Pipe Tube 7643299

BMW G30 G31 Air Filter Box Intake Air Duct Guide Pipe Tube is an original intake system component from the Lines, hoses and pipes group, designed for the 5 Series G30/G31 generation models. It ensures stable airflow to the filter, which translates into predictable engine operation and correct interaction with factory electronics. A used, original BMW part is a sensible choice for intake system maintenance when you care about fitment and maintaining factory flow parameters.

Specifications and technical data

• SKU: 7643299
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7643299
• Substitutable numbers: 7643299, 13717643299
• Category: Hoses, Lines & Pipes

Function and role in the intake system

The air filter box with the intake duct is responsible for tightly routing air from the outside to the filter element and then further to the intake manifold. A correctly selected component:

• stabilizes airflow, which facilitates the operation of the mass air flow sensor and engine control unit,
• limits turbulence and pressure drops in the intake duct,
• helps reduce intake noise,
• protects the filter against unwanted contaminants entering from the side, outside the filter element.

By maintaining the factory geometry of the intake duct, the engine control system in the BMW G30/G31 operates under conditions consistent with the manufacturer's specifications, which helps maintain stable performance and engine refinement.

Why choose an original BMW intake housing

The original air filter box with the intake duct was designed specifically for the engine bay of the BMW 5 Series G30/G31. This means:

• precise fitment to the mounts and other intake system components,
• preservation of factory support and routing points,
• compatibility with stock covers, lines, and sensors in the engine bay.

Unlike aftermarket replacements, the original component from the Lines, hoses and pipes group minimizes the risk of stress, leaks, and unwanted resonances that can occur with poorly fitted intake ducts.

Condition, origin, and service application

The presented air filter box with the intake duct is a used part, sourced from a dismantled BMW vehicle. This type of component is particularly useful for:

• repairs after a front-end collision,
• mechanical damage to the housing or duct (cracks, broken mounts),
• restoring the stock intake configuration after unsuccessful modifications.

By choosing a used OEM part, you maintain the factory design of the intake system, which is important for both durability and correct vehicle computer diagnostics.

Benefits of installing the original intake duct

Using this air filter box in a BMW G30/G31 allows you to:

• maintain compliance with factory engine control unit maps,
• reduce the risk of errors related to intake leaks,
• maintain predictable operating conditions for the air filter,
• keep an orderly layout of lines and hoses in the engine bay.

For users who care about maintenance consistent with the manufacturer's guidelines, this is a practical and economical solution compared to new parts from an authorized service center.

If you want to better understand why used original intake system components are a safe and cost-effective choice, read the article: Quality assurance and OEM safety – why used original car parts are the best choice for your car?

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as intake lines, vacuum hoses, or breather pipes, check out the available parts in the BMW lines, hoses and pipes category.