BMW 3 E90 E92 E93 M3 Engine Cooling Radiator Fan Housing 850W 2283621

BMW 3 E90 E92 E93 M3 Engine Cooling Radiator Fan Housing 850W is a factory cooling system component designed for installation in the front part of the engine bay. Thanks to its high electrical power and perfectly fitted housing, it ensures stable heat dissipation from the radiator, which translates into a safe operating temperature for the engine unit even during dynamic driving.

Specifications and technical data

• SKU: 2283621
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2283621
• Substitutable numbers: 17112283621, 2283621, 17112283389, 2283389, BG
• Location on the vehicle: Front
• Category: Radiators

Purpose and function in the cooling system

The presented fan with housing has been designed specifically for BMW 3 Series E90, E92, and E93 M3 models, where the cooling system operates under high thermal load. The component is mounted in the front part of the vehicle, directly at the coolant radiator, supporting airflow both while driving and in stationary or city traffic conditions.

The high electrical power of the fan allows for effective radiator cooling across a wide range of ambient temperatures, which is particularly important in cars with sporty characteristics. A properly functioning fan reduces the risk of engine overheating, stabilizes the engine's operation, and supports the durability of other cooling system components.

Construction and performance parameters

The fan housing is matched to the design of the BMW 3 Series M3 front end, which facilitates installation at factory mounting points. Integrating the electric motor, rotor, and support frame into a single assembly simplifies maintenance and the replacement of the entire module in case of damage to the old component.

The advantages of this solution include, among others:

• dedicated fit for the BMW 3 E90/E92/E93 M3 cooling system,
• efficient operation under high engine thermal load,
• stable mounting in the front part of the vehicle,
• compact design facilitating installation and removal.

By maintaining the factory housing geometry, airflow through the radiator remains consistent with the manufacturer's specifications, which promotes uniform cooling of the entire core surface.

Condition, fitment, and service application

The offered component comes from the group of original BMW parts and is intended for reinstallation in a vehicle. It is a practical service solution for users whose factory fan, housing, or entire cooling module in the front of the car has been damaged, for example, as a result of a collision or long-term wear.

The fan module with housing is suitable both for standard replacement of a worn-out part and for cooling system repairs related to engine overheating. Using a complete assembly allows for reducing workshop labor time and minimizes the risk of issues with fitting individual components.

Importance for engine and cooling system durability

A functional radiator fan has a direct impact on maintaining the proper engine operating temperature, which is crucial for the longevity of the engine unit, seals, hoses, and the radiator itself. In BMW 3 M3 models, where the engine often operates in higher RPM ranges, adequate cooling efficiency is particularly important.

If you want to better understand how the entire cooling system affects the condition of the engine unit and when it is worth opting for used components, read the article: Engine cooling system – overheating, repair, and used radiators.

Expanding repairs within the BMW cooling system

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 coolant radiators, additional fan modules, or radiator housings, check the available parts in the BMW water radiators category.