Cooling Fan BMW E87 E90 E91 Petrol Engine Cooler Motor Unit Shroud 6937515

BMW E81 E87 E90 Fan 400W 6937515 is an original part from the fans and fan shrouds category, designed for BMW models with gasoline engines. This used 400W fan ensures stable system cooling, which translates to a safe operating temperature for the engine and efficient air conditioning operation. It's a solution for drivers seeking a proven component at a reasonable price, while maintaining factory performance characteristics.

Specifications and technical data

• SKU: 6937515-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6937515
• Substitutable numbers: 16326937515, 6937515, 17117590699, 7590699, 17427523259, 7523259, 51487059260, 7059260
• Fuel type: Petrol
• Category: Fan & Shroud Assemblies

Purpose and Function of the BMW Fan

The presented fan is a cooling system component designed for BMW E81, E87, and E90 series cars with gasoline engines. Its function is to force airflow through the radiator, which helps maintain the optimal coolant temperature, both in city driving and during prolonged journeys in high ambient temperatures.

The 400W power output provides sufficient performance reserve, allowing the fan to effectively support the cooling system even under heavy engine load, when the air conditioning is in use, and in conditions of limited airflow (traffic jams, dense traffic).

Benefits of Using an Original BMW Fan

Using an original fan in BMW E81, E87, and E90 models allows for the preservation of factory cooling system operating parameters. This means:

• proper integration with vehicle electronics – fan speed control according to manufacturer maps,
• stable operating temperature of the gasoline engine,
• adequate support for air conditioning operation,
• reduced risk of engine overheating in challenging conditions.

Thanks to its original design, the fan fits factory mounting points and shrouds, which simplifies installation and reduces replacement time.

Technical Specifications and Compatibility

The fan belongs to the fans and fan shrouds category and is designed for gasoline engines. The 400W electrical design ensures adequate starting dynamics and airflow performance, while maintaining the parameters specified by the vehicle manufacturer.

The part has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific car configuration. Before purchasing, it is advisable to compare the markings with your vehicle's data or consult a mechanic to confirm full compatibility.

Condition, Installation, and Practical Application

The offered fan is a used part, allowing for an economical repair of the cooling system while maintaining original manufacturing quality. It is a good solution for drivers who want to restore cooling efficiency without investing in a new component, while maintaining factory fitment for BMW E81, E87, and E90 series.

In practice, fan replacement is recommended in situations such as:

• engine overheating in traffic jams or when the air conditioning is running,
• noisy, uneven operation of the existing fan,
• engine control unit errors related to the cooling system,
• mechanical damage to the blades or shroud.

Selecting the correct fan with appropriate power and fuel type (gasoline) directly impacts engine longevity and driving comfort.

Technical Support and Related Products

If you are looking for other BMW fans and fan shrouds suitable for different models of this brand, check out our dedicated category: BMW fans and fan shrouds. There you will find a wide selection of cooling system components for many series and generations.

To better understand how high temperatures affect the cooling system and when it's worth opting for used parts, we recommend our guide: Summer Heat vs. Cooling System: Used Radiators and Fans for Guaranteed Savings. This is a practical source of knowledge for drivers who want to consciously maintain the efficiency of their BMW.