BMW E81 E87 E90 E91 E92 Petrol N45 N46 N43 Cooling Radiator Fan Housing 7523258

BMW E81 E87 E90 E91 E92 Petrol N45 N46 N43 Cooling Radiator Fan Housing is an original cooling system component designed for installation in the front section of BMW vehicles with petrol engines. The design ensures stable mounting of the fan, proper airflow through the radiator, and safe operation of the entire system. It is a practical solution for users looking for factory fitment and proven quality at a reasonable price.

Specifications and technical data

• SKU: 7523258-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7523258
• Substitutable numbers: 17427563259, 7563259, 17427523258, 7523258, 6925693, 0130303940, 17425A3F103, 4253103
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Fan Motors

Purpose and function in the cooling system

The fan housing in BMW E8x and E9x series models with N45, N46, and N43 units is responsible for precisely directing the airflow through the radiator and shielding the fan rotor. A correctly selected component helps maintain a stable operating temperature for the petrol engine, reduces the risk of overheating, and supports uniform cooling in urban conditions and under higher loads.

Its placement in the front part of the vehicle ensures that the housing operates in the direct airflow, working in conjunction with the radiator, fan, and other cooling system components. This maintains aerodynamic consistency and provides adequate mechanical protection for the rotor against external damage.

Compatibility with BMW petrol engines

The presented fan housing has been designed to work with BMW petrol engines from the N45, N46, and N43 families used in the E81, E87, E90, and E91 series. This ensures the correct geometry relative to the radiator, front panel, and other engine bay components, which translates into easier installation and proper cooling system operation without the need for modifications.

Its original BMW origin allows for precise alignment with factory mounting points, which is particularly important when replacing a damaged or deformed housing following a collision, fan failure, or long-term wear.

Characteristics of the used component

The fan housing comes from dismantling, making it an economical alternative to a new component while maintaining the manufacturer's original specifications. The used part allows for the restoration of full cooling system functionality in situations where cracks, broken mounts, or deformations of the old housing have occurred.

Choosing an original, used part from the Fan and blower motors category is particularly beneficial when you want to maintain the factory cooling system design without the risk of mismatching, which is common with many low-quality aftermarket replacements.

Benefits of using an original fan housing

• Factory fitment for BMW E81, E87, E90, E91 models with N-family petrol engines.
• Stable fan mounting and proper airflow guidance through the radiator.
• Support for maintaining the correct operating temperature of the engine in city traffic and on the road.
• Protection of the fan rotor against mechanical damage from the front of the vehicle.
• Economical solution for cooling system repairs while preserving the original BMW design.

Practical installation and maintenance tips

When replacing the fan housing, it is worth paying attention to the condition of the mounts, clips, and cooperating cooling system components. It is recommended to check the radiator, fan, shrouds, and hoses to avoid the need for re-disassembly in the near future. A correctly installed housing ensures stable fan operation, minimizes vibration and noise, and supports uniform cooling across the entire radiator surface.

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, control modules, or cooling system shrouds, check the available parts in the BMW fan and blower motors category.

Technical support and knowledge about failure rates

When working with the cooling system in the E90 series, it is worth knowing the typical problems of the power units to better plan the scope of repairs. A detailed discussion of the weak points of selected engines can be found in the article: Troublesome BMW E90 engines: check what can ruin your budget!. This is a practical supplement to your knowledge when planning the replacement of the fan housing and other components in the engine bay.