BMW U06 A/C Air Condition Pressure Expansion Hose Line Tube Pipe 5A07776

The BMW U06 Air Conditioning Pressure Hose is an original A/C system component responsible for safely routing refrigerant under high pressure. With precise fitment for BMW air conditioning installations, this used hose ensures stable operation of the compressor, condenser, and other components, restoring the system's full functionality. This solution allows for a technically correct repair without the need for costly replacement of the entire system.

Specifications and technical data

• SKU: 5A07776
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A07776
• Substitutable numbers: 5A07776, 64505A07776
• Part type: Hose
• Category: A/C Hoses & Fittings

Purpose and Function in the Air Conditioning System

The offered hose belongs to the Air Conditioning Hoses, Pipes, and Connectors group, which are elements responsible for transporting refrigerant between key A/C system components. It is responsible for:

• routing refrigerant in the high-pressure area,
• maintaining the seal of connections between system components,
• stabilizing the operating parameters of the compressor and expansion valve,
• reducing vibrations and stresses in the air conditioning system.

Thanks to its factory shape and correct internal diameter, the hose ensures proper refrigerant flow, which translates to uniform cooling of the vehicle interior and correct operation of pressure sensors.

Original Origin and BMW Fitment

The air conditioning hose comes from the BMW line, meaning it complies with the manufacturer's factory standards regarding geometry, connector types, and resistance to operating pressure. Original manufacturing ensures:

• secure fitment with existing brackets and mounts in the body,
• compatibility with original quick connectors and seals,
• adherence to the manufacturer's designed hose routing.

Such fitment minimizes the risk of stress, leaks, and collisions with other engine compartment components, which is particularly important in modern BMW designs.

Hose Performance Characteristics

As a high-pressure system component, the hose is designed for operation in variable thermal and mechanical conditions. In practice, this means:

• resistance to temperature fluctuations resulting from engine and condenser operation,
• protection against external corrosion in typical operating conditions,
• dimensional stability under prolonged refrigerant pressure load.

A used component allows for economical repair of the air conditioning system while maintaining factory flow and sealing characteristics, which is beneficial both technically and cost-wise.

Condition, Verification, and Service Application

The hose is from a dismantled vehicle and is offered as a tested used part, suitable for service applications in BMW vehicles equipped with a compatible air conditioning system. This type of part is particularly useful in situations where:

• the existing hose has been mechanically damaged (cracked, chafed, kinked),
• the system has lost its seal at the high-pressure hose connections,
• a section of the installation needs replacement after a collision or bodywork repairs.

Using an original dismantled hose reduces installation time, as it does not require adaptation or route modification, only correct connection to existing fittings and subsequent system refrigerant filling.

If you are planning a comprehensive repair or upgrade of the air conditioning system area in your BMW and need other elements from the same group, such as low-pressure hoses, flexible pipes, or service connectors, check the available parts in the BMW Air Conditioning Hoses, Pipes, and Connectors category.

Technical Support and Selection of Used Parts

When selecting used air conditioning system components, it is advisable to pay attention to part number compatibility, the type of refrigerant used, and the specific vehicle model configuration. For drivers interested in broader use of dismantled components in premium cars, an article discussing the advantages and principles of selecting such components may be useful – you can find more information in the entry Used Parts for Mercedes – Original Parts from Dismantling, which covers universal issues regarding the quality and cost-effectiveness of using original used parts.