Engine Cooling Radiator BMW F01 F02 F10 F11 Fan Shroud 400W 7633273

BMW F01 F02 F10 F11 Radiator Fan 400W 8509740 is an original cooling system component designed for luxury BMW 5 and 7 Series models. The powerful 400W electric drive ensures stable radiator support, which translates to a safe engine operating temperature even under heavy load. This is a solution for users who expect factory fitment, predictable performance, and robust construction.

Specifications and technical data

• SKU: 8509740
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8509740
• Substitutable numbers: 17428509740, 8509740, 17417589031, 7589031, 17427804620, 7804620, 17427633273, 7633273, 67327575682, 7575682, BG, 52207292623, 7292623, 52207292625, 7292625
• Category: Other Engine Cooling Components

Purpose and Compatibility

The presented radiator fan is designed for BMW F01, F02, F10, and F11 models, specifically the 7 Series and 5 Series generations with internal combustion engines, where stable coolant temperature control is crucial. The fan's construction is adapted to factory mounting points and airflow routing, facilitating installation in place of a worn or damaged component.

By using an original BMW solution, correct interaction with the vehicle's electronics, fan control, and temperature sensors is maintained. This is particularly important in modern powertrains where the cooling system is precisely tuned with the engine control unit software.

Construction and Operating Parameters of the 400W Fan

The 400W radiator fan ensures efficient airflow through the radiator core, allowing for stable thermal conditions in both city driving and dynamic highway driving. The fan assembly includes an electric drive and an optimized impeller for airflow, which reduces operating noise while maintaining adequate performance.

The appropriately selected electrical characteristics enable smooth speed regulation by the vehicle's control unit. This allows the cooling system to respond to the current engine load, ambient temperature, and driving conditions, minimizing the risk of overheating and ensuring stable powertrain operation.

Benefits of Using an Original BMW Fan

• Factory fitment for BMW F01, F02, F10, F11 models – no modifications to mounting points required.
• Correct interaction with the engine control system and temperature sensors.
• Stable cooling performance thanks to 400W power and optimized impeller geometry.
• Reduced risk of cooling system malfunction compared to low-quality aftermarket alternatives.

This component comes from the BMW range, which for many users means maintaining the vehicle's structural integrity and predictable long-term performance.

Condition, Installation, and Service Application

The offered radiator fan is a used part, allowing for the combination of original quality craftsmanship with an attractive price compared to a new part. This is a practical solution for post-accident repairs, replacement after engine fan failure, or for comprehensive cooling system servicing in daily-driven vehicles.

Due to its factory origin, installation is similar to BMW service procedures – after fitting to the radiator frame and connecting the electrical system, the unit is ready for operation after bleeding and verification of functionality by the onboard diagnostics. A properly selected fan reduces the risk of engine overheating, which directly impacts the durability of the powertrain and its ancillaries.

Cooling System Expansion and Additional Materials

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other parts from the same group, such as auxiliary fans, air guide shrouds, or mounting brackets, check the available parts in the Other BMW category.

For users interested in comparing the characteristics of sporty powertrains and their demand for efficient cooling, a comparative material on high-performance models may be helpful – you can find it in the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, the impact of engine power and braking system on cooling requirements.

If you are considering wider use of aftermarket components for your BMW and want to better understand their advantages, you will find practical tips in the guide Used Parts for BMW – Are They Worth It? Key Benefits for Brand Enthusiasts, which discusses, among other things, cost-effectiveness, quality, and environmental aspects.