BMW X3 E83 Dryer Evaporator Pressure Coolant Hose Pipe Assy 3400430

BMW X3 E83 Dryer Evaporator Pressure Coolant Hose Pipe Assy is an original cabin cooling system component designed for use in the BMW X3 E83 model. Thanks to its factory-fit design, the hose ensures proper refrigerant routing and stable operation of the entire system, which translates into comfortable and trouble-free vehicle operation. It is a practical solution for users looking for a proven air conditioning component with parameters consistent with factory equipment.

Specifications and technical data

• SKU: 3400430
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400430
• Substitutable numbers: 64123400430, 3400430, 64123455917, 3455917, 64123451411 64500363606 64123428463, 3451411, 0363606, 3428463
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The presented hose belongs to the Air conditioning hoses, pipes, and connectors group and is responsible for the sealed and controlled routing of the refrigerant in the BMW X3 E83 air conditioning system. The proper geometry and diameter of the hose allow for maintaining the appropriate operating pressure, which is crucial for effective interior cooling and correct cooperation with the compressor, condenser, and evaporator.

The original BMW origin means that factory manufacturing standards are maintained, which minimizes the risk of leaks, incorrect installation, or incompatibility with body mounts and brackets. This is particularly important for components operating under pressure, where manufacturing precision translates into the durability of the entire system.

Compatibility and replacement numbers

The air conditioning hose has been designed as an OEM part with an assigned manufacturer number and a set of interchangeable numbers. The presence of multiple reference numbers makes it easier to select the right component for a specific BMW X3 E83 configuration, regardless of the equipment version or model year within this generation. As a result, the part can replace several factory hose variants while maintaining full functionality and installation compatibility.

Before purchasing, it is worth comparing the markings with the vehicle data and the existing component, which allows you to confirm compatibility and avoid installation problems. Using a hose from the appropriate group of replacement numbers is particularly beneficial when repairing air conditioning systems after collisions or when replacing worn-out sections of the installation.

Product characteristics and advantages of use

As an original BMW component, the air conditioning hose offers:

• factory fit for the BMW X3 E83 air conditioning system,
• maintenance of the correct installation routing in the engine bay and chassis,
• compatibility with factory connectors and seals,
• the ability to be used in place of several reference numbers within the same platform.

Thanks to this, the hose is a practical choice for air conditioning service, allowing for the restoration of proper refrigerant circulation without the need to use replacements with uncertain parameters. This solution is particularly beneficial for users who want to maintain system consistency with the original manufacturer's specifications and preserve stable operating conditions for the entire installation.

Condition and use in vehicle service

The item is offered as a used OEM component, which allows for cost-effective repairs while maintaining original manufacturing quality. This type of hose will work well both for standard replacement of a worn-out installation section and for more extensive service work related to regenerating the air conditioning system after leaks or bodywork interference.

Choosing an original hose from dismantling is a reasonable alternative to new parts, especially in older vehicles where it is important to combine proper functionality with controlled service costs. Maintaining the factory geometry and mounting points facilitates installation and reduces the time required to fit the element in the workshop.

Service expansion and related elements

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 additional lines, flexible hoses, or service connectors, check the available parts in the BMW air conditioning hoses, pipes, and connectors category.

When planning repairs using original parts from dismantling, it is worth knowing the broader context of using used parts in the premium segment. Examples of benefits, practical service tips, and a discussion on selecting air conditioning components and other systems can be found in the article Used parts for Mercedes – original parts from dismantling, which well illustrates how to effectively combine OEM quality with reasonable operating costs.