BMW E87 E90 E91 M47N2 118d 120d 320d 325d Engine Radiator 7790297

BMW E87 E90 E91 M47N2 118d 120d 320d 325d Engine Radiator is an original cooling system component designed for selected BMW 1 and 3 Series models. Thanks to its factory design, it ensures stable heat dissipation from the engine, supporting its safe and predictable operation in various road conditions. This is a solution for users looking for a proven BMW engine radiator with parameters consistent with factory equipment.

Specifications and technical data

• SKU: 7790297
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7790297
• Substitutable numbers: 17117790297, 7790297
• Category: Caps

Purpose and fitment for BMW

The presented engine radiator has been designed as a cooling system component for selected versions of the BMW E87, E90, and E91 series. The construction, based on manufacturer standards, allows for precise fitment to factory mounts, connectors, and coolant hose routing. As a result, installation is predictable, and the risk of leaks is minimized when installed correctly.

Being marked as a BMW OE part means that the geometry, connection layout, and general operating characteristics are consistent with the solutions used by the vehicle manufacturer. This is particularly important in cars where the cooling system operates under significant thermal load.

Technical and functional characteristics

The radiator is responsible for maintaining a stable engine operating temperature through effective heat exchange between the coolant and the air flowing through the core. The design intended for this generation of BMW ensures:

• appropriate heat exchange surface adapted to the engines used in the E87, E90, and E91,
• compatibility with the factory fan and shroud,
• correct coolant flow within the cooling system.

By maintaining the original geometry, the radiator works with standard system components, such as hoses, the expansion tank, or temperature sensors, without the need for structural modifications.

Condition, application, and benefits of installation

The offered engine radiator is a used component, which allows for an economical replacement of a damaged or leaking part while maintaining the factory characteristics of the cooling system. This solution is particularly beneficial for maintenance repairs when the priority is to maintain compliance with the original vehicle specification at reasonable service costs.

Radiator replacement is recommended in situations such as coolant leaks, mechanical damage to the core, or a drop in cooling efficiency. Using an original BMW component helps maintain a stable engine operating temperature, which translates into its durability and reduces the risk of overheating in both city and highway conditions.

Compatibility, identification, and selection

The radiator has a dedicated OEM part number and associated interchangeable numbers, which facilitates clear identification in BMW catalogs and parts selection systems. Before purchasing, it is worth comparing the markings with the currently installed part or verifying them in the vehicle's service documentation to confirm full compatibility with the specific engine version and model year.

This minimizes the risk of mismatch, and the installation process itself is limited to standard service procedures related to replacing the engine radiator in a given BMW model.

System expansion and related BMW trim components

If you are planning a comprehensive repair or upgrade of the body area in your BMW and need other elements from the same group, such as covers, trims, or additional moldings, check out the available parts in the BMW Trims category.

Technical support and service knowledge

For major service work within the powertrain, including the cooling system, it is worth using reliable sources of technical knowledge. Additional information on diagnosing components working with the engine and on selecting maintenance parts can be found in the article Clutch and dual-mass flywheel – diagnostics and parts selection for the powertrain, which helps to better plan comprehensive service work.

Summary

BMW E87 E90 E91 M47N2 118d 120d 320d 325d Engine Radiator is an original cooling system component designed for specific BMW models, ensuring compliance with the manufacturer's factory standards. Choosing such a solution allows you to maintain the proper engine operating temperature, reduce the risk of failures related to overheating, and preserve the technical consistency of the entire cooling system in your car.