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BMW E46 X5 E53 E65 M57N 3.0d Diesel Radiator Fan Blades Cooling System Viscous
SKU: 7789257
Product from a certified dismantling facility
Condition:
Used
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BMW E46 X5 E53 E65 M57N 3.0d Diesel Radiator Fan Blades Cooling System Viscous is an original cooling system component designed for BMW diesel engines, engineered to work with a viscous drive. Thanks to its precise construction, it ensures stable cooling of the power unit, which translates into safe engine operation across a wide range of loads. This is a practical solution for users looking for a proven, factory-made component instead of replacements of uncertain origin.
Specifications and technical data
- SKU: 7789257
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7789257
- Substitutable numbers: 17417789257, 7789257
- Fuel type: Diesel
- Category: Fan & Shroud Assemblies
Purpose and function in the cooling system
The presented viscous radiator fan is a component from the Fans and fan shrouds group, responsible for forced airflow through the liquid radiator in BMW diesel engines. It works in conjunction with a viscous fan clutch, which adjusts the rotational speed to current thermal conditions, reducing unnecessary engine load and noise when cooling demand is low.
Such a solution is particularly important in diesel units, where high thermal loads are generated during heavy-load driving, in city traffic, or while towing. A properly selected viscous fan helps maintain a stable operating temperature, which promotes component durability and reduces the risk of overheating.
Compatibility with BMW diesel models
The fan has been designed for BMW vehicles equipped with the M57N 3.0D unit, used in popular models such as the 3 Series, X5, and 7 Series. As a result, it is a suitable choice for users who want to maintain consistency with the factory cooling system concept and avoid issues with blade geometry or mounting fitment.
The original BMW solution ensures proper alignment with other system elements – the radiator, shrouds, and air ducts – which is significant for both cooling efficiency and noise levels as well as driving comfort. Using a component intended for a diesel engine allows for maintaining the appropriate performance reserve in more demanding operating conditions.
Characteristics of the used component
The offered fan comes from dismantling and has the status of a used OEM component. For many users, this is a reasonable compromise between cost and maintaining factory build quality and fitment. Unlike cheap replacements, the original element from the same product line as the vehicle's factory equipment retains the correct blade geometry and operating parameters specified by the manufacturer.
Choosing a used viscous fan is particularly attractive for older BMW models, where the priority is to maintain cooling system efficiency at reasonable service costs. This type of part allows for restoring proper system operation without the need to invest in new, expensive components.
Benefits of using a viscous fan in a diesel engine
Using a functional viscous fan in a diesel engine brings a number of practical operational benefits:
- stable maintenance of the power unit's operating temperature in city traffic and under heavy load,
- better utilization of the cooling system's potential during periods of high ambient temperatures,
- reduction of excessive noise compared to fans operating at a constant speed,
- maintenance of operating characteristics in accordance with the vehicle manufacturer's specifications.
A properly functioning radiator fan has a direct impact on the thermal safety of the engine, and thus on its durability. In the case of diesel units, which often operate under higher loads, this is particularly important.
Technical support and guide materials
If you want to better understand how high summer temperatures affect the cooling system and why used components, such as radiators and fans, can be a reasonable service choice, check out the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. It is a practical source of knowledge that will help you consciously plan work on the cooling system in your car.
If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other elements from the same group, such as additional fans, housings, or covers, check the available parts in the BMW fans and fan shrouds category.
Delivery details
Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.
