BMW i4 G26 Air Conditioning Double Pipe A/C Coolant Hose Line 9474791

BMW i4 G26 Dual Refrigerant Line is an original A/C system component designed for precise routing of refrigerant between air conditioning sub-assemblies. Thanks to its factory geometry and robust construction, it ensures stable system operating parameters and helps maintain cabin cooling performance under demanding operating conditions.

Specifications and technical data

• SKU: 9474791
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9474791
• Substitutable numbers: 9474791, 64509474791
• Category: A/C Hoses & Fittings

Purpose and Function in the Air Conditioning System

The dual A/C refrigerant line in the BMW i4 G26 is responsible for the sealed and controlled routing of refrigerant between key air conditioning system components. Appropriately selected diameters, shape, and mounting points allow for maintaining correct operating pressures, which translates to stable airflow temperature and proper compressor operating cycle.

An original BMW part from the Air Conditioning Lines, Hoses, and Connectors group minimizes the risk of stress, leaks, and improper routing in the engine bay. This is particularly important in modern designs where installation space is limited and the A/C system interacts with extensive control electronics.

Benefits of Using an Original A/C Line

Using the factory dual line in the BMW i4 G26 ensures:

• secure fit to mounting points and body brackets,
• maintenance of the designed refrigerant flow path,
• reduction of vibrations and mechanical loads on the connectors,
• proper interaction with other air conditioning system components.

This allows the A/C system to maintain stable cooling performance, and the risk of failures due to improperly fitted aftermarket parts is significantly reduced. The used OEM part also optimizes service costs while maintaining a design compliant with the manufacturer's specifications.

Installation and Operational Characteristics

The dual refrigerant line for the BMW i4 G26 is designed as a component intended for direct installation at factory mounting points. The appropriate geometry of the connectors and the routing of the lines facilitate servicing and reduce replacement time compared to fitting universal solutions.

During installation, it is recommended to:

• check the condition of seals and connectors throughout the A/C circuit,
• vacuum the system and fill it with refrigerant according to the manufacturer's procedure,
• verify the seal after installation using appropriate service equipment.

This approach allows for full utilization of the air conditioning system's efficiency and reduces the risk of repeated service interventions.

Part Condition and Origin

The offered dual A/C refrigerant line is an original BMW part sourced from disassembly, meaning it was designed precisely to the specifications of the i4 G26 model. A used OEM part is a sensible choice for users who want to maintain the original air conditioning system design while controlling repair costs.

In practice, this allows combining the advantages of original fit with an attractive price compared to a new component, while maintaining proper functionality in daily vehicle operation.

BMW Air Conditioning System Expansion

If you are planning a comprehensive repair or upgrade of the air conditioning system area in your BMW and need other parts from the same group, such as A/C lines, hoses, or connectors, check the available parts in the category BMW Air Conditioning Lines, Hoses, and Connectors.

If you are also considering using used components in other premium cars, it is worth familiarizing yourself with practical tips on selecting and operating such parts – you will find them in the article Used Mercedes Parts – Original Parts from Disassembly, which discusses the approach to original components from the aftermarket.