Cooling Fan BMW E81 E82 E87 E90 N43 N45 N46 Petrol Engine Coolant Fan 7561711

Description

Visual condition of the part

The product shows signs of use visible in the photos.

Cooling Fan BMW E81 E82 E87 E90 N43 N45 N46 Petrol Engine Coolant Fan is a component from the Fans and fan shrouds category, designed for the cooling systems of BMW 1 Series and 3 Series petrol engines. This used OEM component ensures the proper operation of the radiator fan, stabilizing the engine temperature and supporting the safe operation of the vehicle.

Specifications and technical data

• SKU: 7563259-14
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7563259
• Substitutable numbers: 17427563259, 7563259, 17427523258, 7523258, 7561711, 1137328144, BG, 17425A3F103, 4253103
• Fuel type: Petrol
• Category: Fan & Shroud Assemblies

Purpose and function in the cooling system

The presented fan motor is dedicated to BMW models with N43 and N46 petrol engines, used in, among others, E81, E87, and E90 body styles. Its task is to drive the radiator fan rotor, which enables effective heat dissipation from the coolant during city driving, in traffic jams, and at high ambient temperatures. A properly functioning fan drive reduces the risk of engine overheating, protecting the cylinder head, seals, and other engine components.

Benefits of using an original fan motor

Using an original BMW component in the engine cooling area translates into:

• stable cooling system operation across a wide range of loads and temperatures,
• proper cooperation with the factory engine control system and temperature sensors,
• fan operating parameters correctly matched to the characteristics of N43/N46 engines,
• preservation of the factory airflow concept through the radiator and engine bay.

As a result, the engine maintains an optimal operating temperature, which promotes the durability of components and the correct operation of associated systems, such as the lubrication or fuel supply systems.

Performance and installation characteristics

The fan motor from this design group is engineered as a component that works with the fan shroud and radiator in the engine bay. This allows for installation at factory mounting points without the need for modifications to the vehicle’s structure. The used OEM element retains the original geometry and connection method to the electrical harness, which facilitates servicing and reduces replacement time.

In practice, this means that with the correct selection of parts for a specific BMW 1 or 3 Series variant, installation comes down to removing the old drive, transferring the new motor, and connecting the factory plugs. This configuration helps maintain the integrity of the entire cooling system and reduces the risk of compatibility issues.

Fan motor and petrol engine operation

In petrol engines, especially in urban conditions and during summer heat, an efficient fan drive is crucial for maintaining the proper operating temperature. The Cooling Fan BMW E81 E82 E87 E90 N43 N45 N46 Petrol Engine Coolant Fan is responsible for forced airflow through the radiator when natural cooling from airflow is insufficient. Its proper operation affects:

• coolant temperature stability at low driving speeds,
• safe engine starting and operation after prolonged idling in traffic,
• reduction of the risk of failures resulting from overheating, such as seal damage or deformation of aluminum components.

This is particularly important in modern petrol engines, where the operating temperature range is precisely controlled by electronic management.

BMW fans and fan shrouds – expansion and service

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional fans, complete shrouds, or airflow covers, check the available parts in the BMW fans and fan shrouds category.

Technical support and knowledge about the cooling system

When selecting a used fan motor for a specific BMW model, it is worth paying attention to the cooling system configuration and vehicle operating conditions. High ambient temperatures, city driving, and frequent stops place a particular load on this component. To better understand how the cooling system reacts to summer heat and why properly selected used fans can be a reasonable economic choice, check out the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.