BMW E87 E90 Diesel Engine Cooling Radiator Fan Housing Motor 600W 7801647

BMW E87 E90 Diesel Engine Cooling Radiator Fan Housing Motor 600W is an original cooling system component designed for installation in the front engine compartment of BMW cars with diesel engines. The robust construction of the fan housing ensures stable airflow guidance through the radiator, which supports efficient heat dissipation and proper operation of the power unit. This used OEM component is a sensible choice for professional repairs or replacing a damaged housing in E87 and E90 series vehicles.

Specifications and technical data

• SKU: 7801647-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7801647
• Substitutable numbers: 17427801647, 7801647, 17427788907, 7788907, 3137229021, 1137328118, 17425A3F108, 4253108
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Caps

Purpose and function in the cooling system

The presented fan housing works with the radiator in the front of the vehicle, responsible for proper airflow guidance through the cooling package. In BMW cars with diesel engines, this is crucial for maintaining a stable operating temperature, especially under load, during highway driving, or in urban conditions.

The 600W fan housing is designed to:

• ensure proper positioning of the fan relative to the radiator,
• reduce airflow losses outside the radiator core,
• support uniform cooling of the entire heat exchanger surface,
• maintain system stability across a wide range of diesel engine loads.

Compatibility with BMW E87 and E90 diesel models

The fan housing has been developed specifically for selected configurations of BMW E87 and E90 series with diesel units. This ensures that factory mounting points and geometry matched to the original radiator and equipment in the front of the body are preserved. This type of fitment reduces the risk of incorrect installation and facilitates servicing.

In practice, this means that when replacing a damaged housing, you can maintain:

• compatibility with the factory airflow system,
• proper fan position relative to the radiator and adjacent components,
• consistency with original BMW design solutions.

Characteristics of the used OEM component

As a used original BMW component, the fan housing is an attractive alternative to new aftermarket replacements, especially for maintenance repairs. The factory geometry and manufacturing standards are preserved, which translates into predictable behavior in the cooling system and proper fitment with other components.

The main advantages of using an original fan housing include:

• factory fitment to the vehicle's front structure,
• preservation of the airflow characteristics designed by the manufacturer,
• possibility of economical repair while maintaining OEM standards.

Benefits of a properly selected fan housing

A properly selected fan housing in a BMW diesel engine affects the stability of the power unit and the durability of other cooling system components. Proper airflow guidance through the radiator helps reduce the risk of overheating, which is important for both the engine and its accessories.

Replacing a damaged or deformed housing with a functional OEM component allows you to:

• restore proper cooling efficiency,
• minimize unwanted vibrations of the fan and radiator,
• maintain predictable operating conditions in the engine compartment.

Expanding BMW bodywork upgrades

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

Additional technical information and advice

When working on the cooling system and engine compartment ventilation, it is worth paying attention to the general condition of the equipment, hoses, and air-guiding elements. A properly functioning fan, a leak-free radiator, and a securely mounted housing form a cohesive system that affects the safety and comfort of vehicle operation.

If you are interested in a broader context of modifications and service of elements related to exhaust flow and engine operating temperature, you will find useful information in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses practical aspects of selecting and operating components in premium brand vehicles, including BMW.