BMW 1 3 F20 F21 F30 F31 7 Complete Engine Cooling Radiator Pack Fan Shroud 300W

BMW 1 3 F20 F21 F30 F31 7 Complete Engine Cooling Radiator Pack Fan Shroud 300W is a factory-original set from the Water Radiators group, designed specifically for BMW engine cooling systems. This used OEM component ensures proper engine heat dissipation and stable fan operation under demanding road conditions.

Specifications and technical data

• SKU: 7640508-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7640508
• Substitutable numbers: 17427640508, 7640508, 17427600557, 7600557, EM
• Category: Radiators

Purpose and BMW compatibility

The presented radiator set with fan shroud is designed for BMW 1 and 3 Series F-generation models (F20, F21, F30, F31) where the cooling system is based on a 300W electric fan. Using an original BMW solution allows for maintaining factory engine performance, correct operating temperature, and compatibility with the vehicle's control software.

Thanks to the OEM design, the set works with factory mounts, hoses, and sensors, which facilitates installation and reduces the risk of fitment issues. This is particularly important for post-collision repairs or when replacing worn-out cooling system components.

Construction of the 300W radiator and fan shroud set

The complete package includes a liquid radiator along with a fan shroud, creating a cohesive module responsible for efficiently transferring heat from the coolant to the environment. The fan shroud is designed to direct airflow through the radiator core, increasing cooling efficiency at low driving speeds and in traffic jams.

The 300W fan power provides sufficient performance reserve for BMW engines that generate high thermal loads. Using an original module allows for maintaining the correct operating characteristics – from smooth startup and speed regulation to stable operation under maximum load.

Benefits of using an original BMW radiator

Choosing a factory set from the Water Radiators group for your BMW offers a number of practical advantages:

• maintaining the engine cooling efficiency designed by the manufacturer,
• proper cooperation with vehicle electronics and fan control,
• fitment to factory mounting points and equipment,
• reduced risk of overheating in urban and highway conditions,
• consistency with other BMW cooling system components.

A used OEM component is a reasonable compromise between cost and quality – it allows you to maintain high cooling system functionality at a lower cost than a new part.

Condition, verification, and service application

The item comes from dismantling and is offered as a used OEM BMW component. This type of part is suitable both for standard replacement of a worn radiator and for accident repairs where rebuilding the front part of the cooling system is necessary. Using a complete module with a fan facilitates service work and reduces installation time.

To select the correct component for a specific engine version and model year, it is worth using the OEM part number and interchangeable numbers visible in the product technical specification – this allows for precise verification of compatibility with a given BMW vehicle.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional cooling modules, coolant hoses, or expansion tanks, check the available parts in the BMW Water Radiators category.

Cooling system operation and practical knowledge

To fully utilize the capabilities of this set, it is crucial to properly bleed the cooling system, use coolant with the specification recommended by BMW, and regularly check the tightness of hoses and connections. Proper service maintenance significantly extends the life of the radiator and fan, and also reduces the risk of engine overheating.

More practical tips regarding cooling system operation in high temperatures and ways of economical servicing using used OEM components can be found in the article "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings".