BMW X3 Series E83 2.0d Cooling Radiator Expansion Tank Coolant Hose Pipe 3401564

BMW X3 Series E83 2.0d Cooling Radiator Expansion Tank Coolant Hose Pipe is an original cooling system component designed for BMW X3 E83 models. Thanks to its factory fitment, it ensures proper coolant flow and stable engine operation across a wide temperature range. It is a practical solution for users looking for a part that complies with BMW's factory specifications.

Specifications and technical data

• SKU: 3401564
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3401564
• Substitutable numbers: 17123401564, 3401564
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The presented coolant hose is a cooling system component responsible for transporting fluid between engine sub-assemblies and the radiator. The properly shaped pipe minimizes the risk of kinks, reduces pressure drops, and helps maintain a stable operating temperature for the powertrain. Using an original BMW component promotes the preservation of correct flow characteristics and compatibility with factory connectors and clamps.

Benefits of using an original BMW hose

Choosing a coolant hose dedicated to the BMW X3 E83 helps reduce typical problems associated with leaks and the poor fitment of aftermarket replacements. The element has been designed for the specific geometry of the engine bay, which facilitates installation and reduces material stress during operation. Factory fitment translates into stable mounting, correct hose routing, and a lower risk of rubbing against adjacent components.

For the user, this means:

• more predictable cooling system behavior in both urban and highway conditions,
• reduced risk of coolant leaks,
• easier diagnostics and maintenance in the future.

Product condition and service application

The offered hose comes from disassembly and is a used item, which represents a reasonable compromise between cost and maintaining original BMW specifications. This type of part is suitable for both current cooling system repairs and for replacing a damaged or perished hose as part of preventive maintenance. Selecting the correct component for a specific BMW X3 E83 engine version allows for maintaining the integrity of the entire system and limiting the risk of thermal failure.

Fitment, identification, and parameters

The hose belongs to the Lines, hoses, and pipes category, which facilitates its identification in parts catalogs and when planning larger cooling system maintenance tasks. Manufacturer markings and associated reference numbers allow for verifying compatibility with a specific BMW X3 E83 configuration and selecting the hose for the existing installation without the need for modifications. In case of doubt, it is worth comparing the shape and diameter of the connectors with the currently installed element.

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other items from the same group, such as flexible coolant hoses, rigid guide pipes, or additional fluid outlets, check the available parts in the BMW lines, hoses, and pipes category.

Practical installation and maintenance tips

When replacing a coolant hose in a BMW X3 E83, it is worth paying attention to the condition of the clamps, connectors, and the coolant itself. It is recommended to:

• check for leaks after the engine has warmed up to operating temperature for the first time,
• monitor fluid levels after a few driving cycles,
• inspect the hose for any potential chafing or contact with moving parts.

This approach allows you to fully utilize the potential of the installed hose and keep the cooling system in a stable operating condition.

If you are planning a wider range of service work on the vehicle and are also interested in the selection of used powertrain components, a guide on gearboxes may be helpful – more information can be found in the article Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox.