Engine Cooling Radiator BMW E60 E61 E63 525i 530i 630i 645Ci Fan Housing 400W

Engine Cooling Radiator BMW E60 E61 E63 525i 530i 630i 645Ci Fan Housing 400W is an original cooling system component designed for selected BMW 5 Series, 6 Series, and coupe models. Engineered by the vehicle manufacturer, it ensures stable heat dissipation from the radiator and supports the proper operation of the engine unit under various load conditions. It is a practical solution for users looking for parts structurally matched to the factory cooling system.

Specifications and technical data

• SKU: 7603762-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7603762
• Substitutable numbers: 17427603762, 7603762, 17427540683, 7540683, KZ
• Category: Other Engine Cooling Components

Purpose and compatibility

The presented radiator fan is dedicated to selected versions of the BMW 5 Series E60/E61 and 6 Series E63, including the 525i, 530i, 630i, and 645Ci variants. This means it fits the engine bay architecture of these models, provides correct positioning relative to the radiator, and ensures compatibility with factory mounting points. Consequently, this component can be used as a replacement for the factory-installed fan without the need for any modifications to the vehicle's structure.

Function in the cooling system

The fan is responsible for forced airflow through the radiator, which is particularly important during city driving, idling in traffic jams, and in higher ambient temperatures. A properly functioning component:

• supports the maintenance of a stable engine operating temperature,
• reduces the risk of engine overheating,
• ensures uniform cooling under variable loads,
• works in harmony with the vehicle's factory control system.

Thanks to a design consistent with the manufacturer's specifications, the fan interacts seamlessly with other cooling system components, which promotes trouble-free vehicle operation.

Product characteristics and advantages

As a component from the BMW range, the radiator fan has been designed with specific models and engine configurations in mind. This translates into:

• properly selected rotor diameter and airflow efficiency,
• compatible mounting points in the front frame,
• operating characteristics designed for the specific model across various temperature ranges.

Such a fit allows for the maintenance of factory cooling parameters, which is particularly important in higher-power gasoline engines used in the E60, E61, and E63 series. Using an original solution also promotes the integrity of the entire powertrain and facilitates future diagnostics.

Condition and service application

The product belongs to the used parts category, making it an attractive alternative for maintenance repairs where the priority is to maintain the original design at reasonable service costs. It can be used both when replacing a damaged fan and during more extensive work within the cooling system, e.g., when replacing the radiator or hoses.

Expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional fans, covers, or brackets, check out the available parts in the Other BMW category.

For drivers interested in comparing technical solutions used in sports versions of other brands, including cooling systems, engines, and chassis, an article discussing the differences between high-performance models and standard versions may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.