BMW 5 6 Series E60 E61 E63 Petrol N52 N52N Radiator Cooling Fan 400W 6931231

BMW 5 6 Series E60 E61 E63 Petrol N52 N52N Radiator Cooling Fan 400W is an original cooling system component designed for BMW petrol engines from the N52 and N52N family. It ensures stable heat dissipation from the radiator, which translates into a safe operating temperature for the powertrain and predictable vehicle behavior under various load conditions. With a power output of 400W, the fan is tailored to the specifics of modern petrol units, combining efficiency with reasonable energy consumption.

Specifications and technical data

• SKU: 7540681
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7540681
• Substitutable numbers: 17427540681, 7540681, 67326931231, 6931231
• Fuel type: Petrol
• Category: Caps

Purpose and function in the cooling system

The presented radiator fan is designed to work with BMW N52 and N52N petrol engines, used in models such as the E60, E61, and E63. Its task is to force airflow through the radiator core, especially in situations where natural cooling from airflow is insufficient – in traffic jams, while maneuvering, or during dynamic driving in higher ambient temperatures. The properly selected operating characteristics of the fan support the maintenance of a stable coolant temperature, which is important for the durability of the powertrain and its accessories.

Operating parameters and technical characteristics

The rated power of 400W allows for effective heat dissipation while maintaining the proper energy balance of the vehicle's electrical system. The fan is adapted to the specifics of petrol engines, which generate different thermal loads than diesel units, which is why its operating characteristics are optimized for this type of drive. The fan design ensures an even distribution of airflow across the radiator surface, which limits local overheating and promotes stable operation of the entire system.

Compatibility with petrol units

The fan is intended for use in BMW cars with N52 and N52N petrol engines, where the cooling system was factory-designed for specific performance and airflow characteristics. Using a dedicated radiator fan allows for maintaining compliance with the manufacturer's factory specifications, which is important both for the correct operation of the powertrain and for the functioning of related systems, such as temperature control or fan operating strategy in various load modes.

Condition, origin, and advantages of using a used part

The offered item comes from the BMW group and is a used part, which allows for an economical repair of the cooling system while maintaining the original specification. Choosing a component from disassembly, instead of a replacement of unknown origin, often translates into better mechanical and electrical fitment and predictable behavior in the long term. For many users, this is a reasonable compromise between the cost of repair and maintaining parameters close to factory standards.

The importance of choosing the right radiator fan

Selecting the correct radiator fan has a direct impact on the thermal safety of the engine, and thus on its service life. In the case of BMW N52 and N52N petrol units, which often operate in a wide range of RPMs and loads, stable cooling is crucial to avoid overheating, performance drops, or accelerated wear of internal components. Using a dedicated fan with the appropriate power and airflow characteristics helps maintain operating parameters in accordance with the manufacturer's requirements.

If you are planning a comprehensive repair or upgrade of the threshold area in your BMW and need other elements from the same group, such as covers, overlays, or additional moldings, check the available parts in the BMW Overlays category.

In the case of more complex powertrain repairs, when you are considering using parts from the secondary market, an article discussing the cost-effectiveness of purchasing used components may be helpful – you can find it here: Used gearbox – when is it worth it and what you need to remember.