BMW G30 G31 Fresh Air Duct Channel Adapter Section Rear Left N/S 6825813

BMW G30 G31 Fresh Air Duct Channel Adapter Section Rear Left N/S is an original fresh air intake system component, designed for installation in the rear left section of the BMW 5 Series G30/G31 body. This component from the Hoses, pipes and tubes group is responsible for precise air flow guidance, which translates to stable air conditioning operation and passenger comfort. As a part from disassembly, it offers a functional and economical solution for repairs or reconstruction of the ventilation system.

Specifications and technical data

• SKU: 6825813
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6825813
• Substitutable numbers: 6825813, 64116825813, 9301579, 64119301579, KD
• Location on the vehicle: Rear, Left
• Category: Hoses, Lines & Pipes

Component Purpose and Function

The fresh air duct adapter in the rear left part of the vehicle is responsible for a sealed and directed connection of individual ventilation duct sections. In practice, this means:

• stable air flow to the rear cabin zone,
• reduction of flow losses due to matched geometry,
• proper cooperation with the factory BMW G30/G31 air conditioning system.

By maintaining the original design, the adapter ensures compatibility with factory mountings and proper fit with other sections of the air ducts.

Construction and Fit for BMW G30/G31

The discussed fresh air duct adapter has been designed specifically for the BMW G30/G31 platform, taking into account the spatial requirements of the rear body section. Its placement in the vehicle in the rear – left side area allows for direct identification during service work.

Key structural features:

• profile matched to the factory tunnel and interior trim panel installation,
• mounting points consistent with original body brackets,
• shape ensuring appropriate airflow cross-section.

This solution facilitates installation and minimizes the risk of leaks, which is important for maintaining stable ventilation parameters in the rear cabin.

Service Application and Installation Benefits

The fresh air duct adapter in the rear left section of the vehicle is particularly useful in situations of mechanical damage to the ducts, interior disassembly, or interference with the air conditioning system. Replacing this component allows for:

• restoring proper air distribution to the rear passenger zone,
• reducing noise and unwanted whistling resulting from leaks,
• maintaining factory operating parameters of the HVAC system in BMW G30/G31.

Choosing an original component from the Hoses, pipes and tubes group reduces the need for modifications and fitting of aftermarket parts, which is crucial for precisely designed air ducts.

Used Part Characteristics

The component is from disassembly, making it a sensible compromise between cost and maintaining original BMW specifications. A used part allows for:

• economical repair of the ventilation system while maintaining factory geometry,
• reduction of waste through the reuse of functional components,
• maintaining the structural integrity of the entire air duct system.

Prior to installation, a standard visual inspection and leak verification after the entire duct section is assembled are recommended.

Ventilation System Extension in BMW

If you are planning a comprehensive repair or upgrade of the ventilation and air conditioning zone in your BMW and need other elements from the same group, such as additional duct sections, flexible hoses, or pipe connectors, check the available parts in the BMW Hoses, pipes and tubes category.

For drivers interested in the broader use of used parts in German cars, including for tuning and repairs, useful information can be found in the article Audi on used parts – tuning and repairs without quality loss, which presents a practical approach to used automotive components.