BMW F30 F31 F32 335dX 435dX N57Z xDrive Engine Water Coolant Radiator 8482946

BMW F30 F31 F32 335dX 435dX N57Z xDrive Engine Water Coolant Radiator is a used, original cooling system component designed for powerful BMW diesel units with xDrive all-wheel drive. It ensures stable heat dissipation from the engine, which translates into safe operation of the powertrain under a wide range of loads. This is a solution for users who expect factory-fit and proven construction in premium class vehicles.

Specifications and technical data

• SKU: 8482946
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8482946
• Substitutable numbers: 8482946, 17118482946, 8673373, 17118673373, 7600518, 17117600518
• Fuel type: Diesel
• Tire profile: 65535
• Category: A/C Condensers

Purpose and compatibility

The presented water radiator has been designed for BMW 3 and 4 series models with xDrive all-wheel drive, equipped with the N57Z diesel engine. This includes the 335dX and 435dX versions in F30, F31, and F32 body styles, where the cooling system must withstand high torque and prolonged driving under heavy load.

The component belongs to the Condensers (radiators) group, which means it is an integral part of the vehicle's heat exchange system. The design is adapted to the front architecture of the F-series body, allowing for installation at factory mounting points without the need for modifications.

Technical characteristics and role in the cooling system

The radiator is responsible for the efficient dissipation of heat from the coolant circulating between the engine and the heat exchanger. In diesel units such as the N57Z, a stable operating temperature is crucial for:

• maintaining proper combustion efficiency,
• protecting the cylinder head and engine block from overheating,
• preserving the durability of the turbocharger and auxiliary equipment,
• correct operation of engine control systems.

Thanks to its adaptation to the specific xDrive powertrain configuration, the radiator works in harmony with other cooling system components and airflow in the engine bay, helping to maintain stable operating parameters even during dynamic highway driving.

Benefits of using an original BMW radiator

Choosing a used, original water radiator for a BMW F-series brings a number of practical advantages:

• Factory fit – maintaining original geometry, connectors, and mounting points facilitates installation and minimizes the risk of leaks.
• Consistency with the diesel engine cooling system – design intended for the loads generated by the N57Z unit and the specific operation of the xDrive system.
• Service cost optimization – a used OEM component allows for reduced expenses while maintaining the correct operating parameters of the cooling system.

This solution is particularly beneficial for post-accident repairs, replacement after mechanical damage, or restoring the full efficiency of the cooling system in heavily used vehicles.

Condition, origin, and identification parameters

The radiator is offered as a used original BMW part, meaning it comes from disassembly and retains the manufacturer's factory specifications. The product has an assigned OEM part number and associated interchangeable numbers, which facilitates precise verification of compatibility with a specific vehicle configuration. Additionally, the part is marked with an individual SKU in the store's system, making it easy to identify and distinguish from other variants.

The technical description also includes information about the fuel type and additional parameters, which helps match the radiator to a specific engine and equipment version. This gives the user confidence that they are choosing a component compatible with its intended use, without the need to experiment with replacements of uncertain origin.

Use in service practice and additional materials

Replacing the water radiator in powerful BMW diesel units is an important step when addressing the effects of overheating, repairing after a collision, or performing comprehensive cooling system maintenance. A correctly selected component allows for the restoration of stable engine operating temperatures, which has a direct impact on its durability and refinement.

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other components from the same group, such as additional radiators, air conditioning condensers, or heat exchangers, check the available parts in the BMW Condensers (radiators) category.

For drivers interested in optimizing service costs and making informed choices regarding used components for diesel and gasoline engine repairs, an article comparing different engine designs and their typical faults may be helpful – more information can be found in the material Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs.