BMW E81 E82 E87 E90 E91 E92 Fan Engine Cooling Radiator 3136613273

BMW E81 E82 E87 E90 E91 E92 Fan Engine Cooling Radiator is an original component from the Fans and fan shrouds group, designed for the cooling system of BMW 1 and 3 series petrol engines. Thanks to the factory blade geometry and precise fitment for BMW equipment, it ensures stable fan operation and efficient heat dissipation from the engine bay.

Specifications and technical data

• SKU: 7563259-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7563259
• Substitutable numbers: 17427563259, 7563259, 17427523258, 7523258, 3136613273, 613273, 17425A3F103, 4253103
• Category: Fan & Shroud Assemblies

Purpose and function in the cooling system

The presented fan blade operates in the immediate vicinity of the radiator, supporting airflow through its core during city driving, idling, and high engine load. The properly selected blade pitch angle allows for maintaining a stable operating temperature of the power unit, which translates into safe petrol engine operation and reduces the risk of overheating.

The component is structurally adapted to the solutions used by BMW, allowing it to work seamlessly with factory cooling system equipment and the electronics controlling the fan rotation speed.

Advantages of using an original BMW fan blade

Using an original fan in BMW E81, E87, and E90 series vehicles allows for maintaining the airflow parameters specified by the vehicle manufacturer. In practice, this means:

• proper cooling of the petrol engine across a wide range of loads,
• consistent cooperation with the fan shroud and radiator,
• reduction of unwanted vibrations and noise resulting from improper balancing,
• maintenance of factory cooling system performance characteristics.

For the user, this means more predictable vehicle behavior in high ambient temperatures and a lower risk of failures related to overheating.

Component condition and installation aspects

The fan blade comes from the used parts group, which allows for cost-effective cooling system repair while maintaining the original BMW specification. This type of component is a popular choice in situations where there has been mechanical damage to the blades or wear and tear of the factory fan.

When selecting and installing, it is worth paying attention to compliance with the OEM part number and interchangeable numbers – their list can be found in the technical specifications section. A correctly selected fan blade allows for installation in place of the factory element without the need to modify the fan shroud or radiator.

Thermal safety and operation in high temperatures

A functional fan is crucial for the thermal safety of the power unit, especially in city traffic and during summer heatwaves. Proper airflow through the radiator affects:

• stabilization of coolant temperature,
• protection of seals, cylinder head, and engine block against overheating,
• extension of engine oil and accessory service life.

If you want to better understand how high temperatures affect the cooling system and when it is worth reaching for used components, check out our guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Part selection by numbers and technical support

The product description contains information about the OEM part number and interchangeable numbers, which facilitates precise selection of the fan for a specific BMW E81, E87, and E90 series configuration. Using this data helps avoid compatibility issues and ensures correct seating of the component in the fan shroud.

If you are interested in the broader context of using original, used components in cars of this brand, it is worth checking out the article: BMW – sports performance and precision. How do original used parts extend the life of the Bavarian icon?.

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 fan blades, complete fans, or fan shrouds, check out the available parts in the BMW fans and fan shrouds category.