Engine Inlet Hose BMW X3 E83 LCI 2.5si 3.0si N52N Coolant Valve Pipe 3449195

Engine Inlet Hose BMW X3 E83 LCI 2.5si 3.0si N52N Coolant Valve Pipe is a component from the Cooling system hoses and pipes group, designed for use in gasoline engines. It is responsible for the stable routing of coolant within the engine, which ensures a safe operating temperature and proper system performance.

Specifications and technical data

• SKU: 3449195
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3449195
• Substitutable numbers: 64213449195, 3449195, BG
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Function and application in the cooling system

The coolant pipe in the N52N engine plays a key role in the circulation of coolant between system components, such as the engine block, thermostat, or radiator. A properly selected hose ensures:

• stable pressure in the cooling circuit,
• correct fluid flow under typical road conditions,
• resistance to temperatures characteristic of BMW gasoline engines.

Thanks to its correct geometry and fitment to the engine design, the coolant pipe helps maintain uniform cooling across all critical areas of the power unit.

Benefits of using an original BMW hose

This element from the BMW OEM group is designed with a specific model and fuel type in mind, which translates into a precise fit for the mounts and connectors in the N52N engine. In practice, this means:

• a secure connection with other cooling system components,
• preservation of factory fluid flow characteristics,
• reduced risk of leaks resulting from mismatched shapes or diameters.

For BMW gasoline engines, thermal stability and resistance to temperature changes during dynamic driving are particularly important, which a well-chosen hose is able to provide.

Condition of the part and installation aspects

The offered engine coolant pipe is a used part, which allows for an economical repair of the system while maintaining the original design specifications. Before installation, it is recommended to perform a standard inspection of sockets, clamps, and adjacent components to ensure the tightness of the entire circuit.

Proper installation of the hose in a BMW X3 E83 with an N52N engine should include:

• correct positioning relative to other engine bay components,
• selection of appropriate clamps and connectors in accordance with factory standards,
• checking the system for leaks after the initial bleeding process.

This approach allows for restoring the correct operating parameters of the cooling system without interfering with its factory design.

Cooling system and engine durability

A functional cooling hose in a BMW X3 E83 has a direct impact on protecting the engine from overheating, and thus on the longevity of the power unit. Replacing worn or leaking elements with properly selected components helps reduce the risk of damage to the cylinder head, seals, or accessories.

If you want to better understand how individual circuit elements affect the operating temperature of the unit and what symptoms may indicate problems, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators. This is a practical supplement to your knowledge when planning service work on BMW vehicles.

Complementary BMW cooling system hoses and pipes

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional lines, flexible hoses, or sections connecting to the radiator, check out the available parts in the BMW cooling system hoses and pipes category.