BMW X3 E83 Engine Coolant Radiator Diesel 3.0d M57N2 3400013

BMW X3 E83 Engine Coolant Radiator Diesel 3.0d M57N2 is an original cooling system component designed for diesel units, ensuring stable heat dissipation from the engine. Thanks to a design compliant with the manufacturer's specifications, the radiator works with factory equipment, maintaining the proper operating temperature and reducing the risk of overheating. This is a practical solution for users looking for a proven component for servicing the cooling system in their BMW.

Specifications and technical data

• SKU: 3400013-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400013
• Substitutable numbers: 17113400013, 3400013, 3414988
• Fuel type: Diesel
• Part type: Radiator
• Category: Radiators

Purpose and function in the cooling system

The presented radiator is a component from the Water Radiators group, responsible for efficient heat exchange between the coolant and the air flowing over the front of the vehicle. In a diesel engine, such as the 3.0d M57N2, stable cooling is crucial for maintaining proper boost pressure, correct fuel injection operation, and protecting the cylinder head and block from excessive thermal stress. A properly selected radiator helps to:

• maintain a constant engine operating temperature across a wide range of loads,
• increase the engine's resistance to long-term highway driving,
• reduce the risk of localized overheating and seal damage,
• ensure stable operation of the vehicle's interior heating system.

Benefits of using an original BMW radiator

The radiator dedicated to the BMW X3 E83 with a diesel engine has been designed for the specific operating conditions of the 3.0d unit, which translates into proper coolant flow and compatibility with factory mounts and hoses. The factory geometry of the core and connectors facilitates installation and minimizes the risk of leaks resulting from component mismatch. Compared to generic replacements, using an original radiator allows you to maintain:

• compliance with the factory cooling system design,
• proper cooperation with fans and shrouds,
• stable operating parameters under high thermal load conditions. For users who want to better understand the impact of the radiator on engine durability, we recommend an article describing common overheating problems and cooling system diagnostics: Engine cooling system – overheating, repair, and used radiators.

Performance characteristics and condition of the item

The offered radiator comes from a BMW vehicle and is a used component, which in practice means it was previously operated in a car but is still suitable for further use after proper installation. This type of part is a good choice for drivers looking for a reasonable compromise between repair costs and maintaining the vehicle's original technical specifications. In the case of cooling systems, many specialists recommend using original, used components instead of the cheapest replacements of uncertain quality. This topic is discussed in more detail in the guide: Cooling system failure: why is an original used radiator a safer choice than a cheap replacement?.

Selection and application in service practice

When selecting a radiator for the BMW X3 E83 with a diesel engine, it is important to match it to the specific version of the power unit and equipment configuration. The offered element is intended for the diesel engine cooling system, which ensures compatibility with the thermal characteristics of this unit and the operating parameters of the thermostat, coolant pump, and fans. In workshop practice, using the correct radiator allows you to:

• shorten installation time thanks to matched mounting points,
• maintain the original routing of lines and hoses,
• minimize the risk of subsequent leaks and problems with system bleeding.

Expanding the cooling system in the BMW X3

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 radiators, coolant hoses, or expansion tanks, check the available parts in the BMW Water Radiators category.