BMW E81 E87 E90 E91 F20 F30 F31 Condensation Water Outlet Hose 9301572

The BMW E81 E87 E90 E91 F20 F30 F31 Condensation Water Outlet Hose is an original component of the air conditioning system, belonging to the Cooling System Hoses and Pipes group. Specifically designed for select BMW 1 and 3 Series models, it ensures controlled drainage of condensate from the evaporator, reducing the risk of moisture in the interior and body elements. A used OEM component is a sensible choice for drivers seeking a technically matched solution at an attractive price.

Specifications and technical data

• SKU: 9301572
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9301572
• Substitutable numbers: 9301572, 64119301572, 6978819, 64116978819, 6929351, 64116929351, 9207092, 64119207092, KD
• Category: Coolant Hoses

Function and Application of the Condensate Drain Hose

The condensation water outlet hose is responsible for safely directing condensate from the air conditioning evaporator housing outside the vehicle cabin. In a properly functioning system:

• it prevents water accumulation in the center tunnel and under the carpet,
• it reduces the risk of corrosion of metal components in the cowl and floor area,
• it minimizes the possibility of unpleasant odors resulting from damp acoustic insulation,
• it supports stable air conditioning operation through free condensate drainage.

Thanks to its design tailored to specific generations of BMW 1 Series (E81, E87, F20) and 3 Series (E90, E91, F30, F31), the hose maintains the correct routing geometry and works with factory body mountings.

Compatibility with BMW Models

The BMW E81 E87 E90 E91 F20 F30 F31 Condensation Water Outlet Hose was developed as an original part for selected BMW 1 and 3 Series body styles. This means:

• maintaining the factory routing path in the body compartment,
• proper connection to the evaporator housing's drain port,
• appropriate matching of the diameter and shape of the ends to factory sockets.

Before installation, it is advisable to verify the part's compatibility with the specific vehicle equipment version, using the OEM part number and available interchangeable numbers in the technical specification. This approach facilitates the selection of the correct part and reduces the risk of installation issues.

Characteristics of a Used OEM Component

The offered hose belongs to the group of original BMW components, which translates to maintaining factory flow and sealing parameters within the condensate drainage system. The used component:

• is structurally identical to the solution installed on the production line,
• maintains the necessary flexibility to compensate for body vibrations,
• allows for installation without the need for modifications to the vehicle's system.

Choosing a used OEM hose is particularly beneficial for maintenance repairs when the existing component has become clogged, mechanically damaged, or leaky due to material aging.

Importance of Efficient Condensate Drainage for the Cooling and Air Conditioning System

An efficient condensate drain hose directly impacts vehicle comfort and interior component durability. A blocked or damaged hose can lead to:

• moisture appearing under the carpets and in the center tunnel area,
• window fogging due to increased humidity in the cabin,
• accelerated degradation of soundproofing and upholstery materials.

To better understand how the cooling and air conditioning system reacts to high temperatures and why the condition of hoses and pipes is important for the entire system, it is worth reading the guide Summer Heat vs. Cooling System – How Used Parts Can Support Economical Operation.

System Expansion – Other Hoses and Pipes for BMW

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other parts from the same group, such as flexible coolant hoses, return hoses, or sections connecting to radiator outlets, check the available parts in the BMW Cooling System Hoses and Pipes category.

Summary

The BMW E81 E87 E90 E91 F20 F30 F31 Condensation Water Outlet Hose is a used, original condensation water outlet hose designed for specific BMW 1 and 3 Series models. Thanks to its factory fit, maintained geometry, and compatibility with the air conditioning system, it is a practical solution for repairs related to interior moisture or condensate drain leaks. Choosing this component allows for the restoration of proper condensate drainage system operation while adhering to the vehicle manufacturer's standards.