BMW E90 E91 335d M57N2 Compressor Condenser Pressure Hose Pipe 6976790

BMW E90 E91 335d M57N2 Compressor Condenser Pressure Hose Pipe is an original refrigerant cooling system component designed for BMW 3 Series models with the M57N2 engine. Thanks to its factory geometry and fitment, the hose ensures stable pressure in the air conditioning circuit and proper operation with the condenser, compressor, and other components. It is a practical solution for users who want to restore full air conditioning efficiency while maintaining OEM standards.

Specifications and technical data

• SKU: 6976790
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6976790
• Substitutable numbers: 6976790, 64506976790, 9145002, 64509145002
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The offered hose belongs to the Air conditioning lines, hoses, and connectors category and is responsible for transporting refrigerant under high pressure between the condenser and other system components. The correct cross-section, length, and shape of the hose are crucial for maintaining the proper operating pressure, which translates into cooling efficiency inside the vehicle.

The component is dedicated to the air conditioning system in the BMW 3 Series E90/E91 335d with the M57N2 unit, which allows for maintaining factory operating characteristics without the need for modifications or fitting universal replacements.

Advantages of using an original BMW hose

Using an original pressure hose in a BMW air conditioning system offers a number of practical benefits:

• Factory fitment – proper routing in the engine bay, consistent with the layout intended by the manufacturer.
• Correct flow characteristics – cross-section and geometry matched to the performance of the compressor and condenser.
• Compatibility with original connectors and seals – reduces the risk of leaks at connection points.
• Consistency with other air conditioning system elements – the hose works with factory mounts and brackets.

As a result, installation is efficient, and after venting and refilling with refrigerant, the system can operate at parameters close to factory specifications.

Component condition and installation aspects

The hose is offered in Used condition, meaning it has been removed from a vehicle and was previously in service. Such components are popular as an economical solution, allowing for the restoration of air conditioning system efficiency while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard inspection of the connection ports, use new seals, and conduct a leak test after assembling the system.

Due to its factory origin, the hose is ready for installation in place of the original part without the need for system modifications. This is a beneficial solution for workshops specializing in the BMW brand as well as users servicing their own cars.

Part selection and compatibility

To correctly select the air conditioning condenser pressure hose for a specific BMW E90 or E91 335d, it is worth verifying compatibility with the OEM part number and any interchangeable numbers in the manufacturer's catalog or via the VIN. The product has assigned interchangeable numbers, which facilitates the identification of the correct variant for a given model year and vehicle configuration.

In case of doubts regarding fitment, it is recommended to compare the shape, routing, and type of connectors with the part removed from the car. This approach minimizes the risk of error and speeds up the air conditioning system repair process.

Expanding air conditioning system service

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 low-pressure lines, flexible hoses, or service connectors, check the available parts in the BMW air conditioning lines, hoses, and connectors category.

When selecting used air conditioning components or other premium parts, it is also worth reading practical tips on purchasing original parts from dismantling, described in the article: Used parts for Mercedes – original parts from dismantling. This allows for a better assessment of cost-effectiveness and how to verify components before installation.