BMW Z4 Series E89 N20 Petrol Pressure Hose Compressor Condenser 9242078

BMW Z4 Series E89 N20 Petrol Pressure Hose Compressor Condenser is an original cabin cooling system component designed for petrol-engine vehicles. It ensures a tight and stable connection between air conditioning components, which translates into efficient refrigerant discharge and proper operation of the entire system. This used OEM part is a sensible choice for drivers who want to maintain the factory characteristics of the air conditioning in their BMW.

Specifications and technical data

• SKU: 9242078
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9242078
• Substitutable numbers: 64539242078, 9242078, AS
• Fuel type: Petrol
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The air conditioning hose in the BMW Z4 E89 with the N20 unit is responsible for transporting refrigerant between individual system components. A properly selected and sealed hose:

• maintains the correct operating pressure in the system,
• minimizes the risk of refrigerant and compressor oil leaks,
• stabilizes the operation of the compressor and control valves,
• contributes to uniform cooling of the vehicle interior.

Thanks to the use of original geometry and the correct diameter, the hose is matched to the factory air conditioning system in the Z4 E89 model with a petrol engine, which facilitates installation and reduces the need for modifications.

Benefits of using an original BMW hose

Using a hose from the Air conditioning hoses, pipes and connectors group sourced from a BMW dismantling allows for maintaining the consistency of the entire system. Compared to replacements, the OEM part offers:

• factory fitment to mounts and brackets in the engine bay,
• compatibility with the operating parameters of the compressor and other components,
• appropriate stiffness and flexibility of the hose under operating conditions,
• lower risk of leaks at connections due to the correct profile of the ends.

This solution is particularly beneficial when servicing air conditioning in petrol-engine cars, where stable pressure and proper refrigerant flow are crucial for maintaining thermal comfort in the cabin.

Condition, origin and practical application

The offered hose comes from the dismantling of a BMW vehicle, which means it is a component compliant with the manufacturer's factory specifications. The used component allows for an economical repair of the air conditioning system while maintaining the original build quality. The hose will work well both for a typical replacement of a damaged section of the installation and for a comprehensive service of the cabin cooling system.

Before installation, a standard service procedure is recommended: checking the tightness of the entire system, replacing seals at the connections, and subsequently filling the air conditioning with refrigerant in accordance with the manufacturer's specifications. This approach allows for fully utilizing the potential of the hose and reducing the risk of repeated interventions in the installation.

Part selection and technical support

To correctly select the hose for a specific BMW Z4 E89 N20 configuration, it is worth verifying compatibility by the VIN number and the air conditioning system specification. In case of doubt, comparing the routing of the hose and its shape with the dismantled element may be helpful. If you are planning a comprehensive repair or upgrade of the air conditioning zone in your BMW and need other elements from the same group, such as high-pressure lines, flexible hoses, or service connectors, check the available parts in the BMW air conditioning hoses, pipes and connectors category.

If you are considering broader use of premium used components in your car and want to better understand the advantages of original parts from dismantling, check out the guide on our blog: Used parts for Mercedes – original parts from dismantling. The article shows how to practically combine high quality with reasonable service costs, which is equally important when operating BMW vehicles.