BMW Z4 Series E85 Engine Radiator Fan Motor 400W 6925702

BMW Z4 Series E85 Engine Radiator Fan Motor 400W is an original component from the Fans and fan shrouds group, designed for the cooling system in the BMW Z4 E85 model. It ensures stable operation of the radiator fan, supporting the maintenance of the proper engine temperature under demanding road conditions.

Specifications and technical data

• SKU: 7519704-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6925702
• Substitutable numbers: 17427519704, 7519704, 6925702, EM
• Category: Fan & Shroud Assemblies

Purpose and function in the cooling system

The 400W fan motor is responsible for driving the radiator rotor, which translates into effective heat dissipation from the engine cooling system. In the BMW Z4 E85 model, this is a key component that works with temperature sensors and engine control units to maintain an optimal operating temperature range during city driving, highway travel, and in traffic jams.

Thanks to its appropriately selected power and operating characteristics, this fan motor ensures:

• stable fan speed across a wide range of ambient temperatures,
• efficient cooling support under high engine load,
• proper compatibility with the factory BMW control system.

Construction and fitment for the BMW Z4 E85

The presented fan motor is designed as an OEM component for BMW, which means precise fitment to the factory fan shroud and mounting points in the Z4 E85 engine bay. The appropriate geometry of the housing and drive shaft facilitates installation in place of the original component, without the need for modifications to the wiring or brackets.

Its original BMW origin helps maintain the integrity of the entire cooling system and minimizes the risk of improper fitment with shrouds, the fan frame, or the radiator. This solution is particularly beneficial for users who want to keep their vehicle in a configuration close to factory specifications.

Performance characteristics and installation benefits

The 400W fan motor in the BMW Z4 E85 has been selected to ensure effective heat exchange while maintaining a reasonable load on the vehicle's electrical system. In practice, this means:

• reliable fan operation in high ambient temperatures,
• adequate power reserve for the cooling system during dynamic driving,
• maintenance of operating parameters in accordance with the manufacturer's specifications.

Replacing a worn or faulty fan motor with an original component from the same group helps reduce the risk of engine overheating, which has a direct impact on the durability of the engine, seals, and other cooling system components. This is particularly important in cars with a sporty character, such as the BMW Z4 E85.

Condition and origin of the part

The offered fan motor comes from the BMW line and is an item from the Fans and fan shrouds category. As a used part, it represents an attractive solution for drivers looking for a compromise between repair costs and maintaining the original vehicle specifications. Choosing such a component allows for an economical restoration of the cooling system's efficiency while maintaining proper fitment to the factory installation.

Comprehensive service for the BMW cooling zone

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, housings, or covers, check out the available parts in the BMW Fans and fan shrouds category.

To better understand how high temperatures affect the cooling system and why a properly selected fan motor is important for engine durability, it is worth reading the guide "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings", where you will find practical tips on the operation and selection of used cooling components.