BMW X3 E83 Complete Set Engine Radiator Fan with Housing Diesel 400W

BMW X3 E83 Complete Set Engine Radiator Fan with Housing Diesel 400W is a factory cooling system component, designed specifically for diesel versions. Thanks to its precise design and appropriate power, it ensures stable heat dissipation from the engine unit, supporting safe and predictable engine operation under various load conditions. This solution is intended for users who expect consistency with BMW factory specifications and reliable installation without experimentation.

Specifications and technical data

• SKU: 3452509-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3452509
• Substitutable numbers: 17113452509, 3452509, 17113403551, 3403551, 17113414008, 3414008, 17113401056, 3401056
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Other Interior Parts & Accessories

Purpose and function in the cooling system

The complete radiator fan set with housing is responsible for forced airflow through the engine radiator, which is particularly important in BMW X3 E83 diesel vehicles. The 400W power allows for effective cooling support during city driving, in traffic jams, and under prolonged load, reducing the risk of engine overheating.

This component works with the vehicle's factory control system, activating based on coolant temperature and engine operating conditions. As a result, the system maintains a stable operating temperature range, which promotes the durability of mechanical components and the maintenance of proper diesel operating parameters.

Compatibility with BMW X3 E83 Diesel

The presented set has been developed for the BMW X3 E83 platform with a diesel engine, which translates into proper fitment with the factory radiator, mounts, and shrouds. The housing geometry and fan position are adapted to the engine bay of this model, which facilitates installation and allows for maintaining the original airflow path.

As a part from the BMW group, the component is consistent with the factory cooling system concept, which is significant both for standard replacement of a worn-out fan and for restoring the car to a state close to the original after accident repairs.

Technical characteristics and installation

The set includes the radiator fan along with the housing, which allows for the replacement of the entire assembly in one service process. This configuration limits the need to match individual elements and reduces the risk of improper fitment with the radiator or other components in the engine bay.

The placement on the vehicle defined as rear refers to the position within the cooling module and the method of mounting relative to the radiator. In practice, this facilitates the identification of the correct element when planning repairs and selecting appropriate mounting points. The complete assembly allows the service to focus on proper removal and installation, without the need to transfer individual parts between housings.

Used condition and practical benefits of choosing OEM parts

The offered radiator fan with housing is a used item, which in practice means a favorable compromise between cost and maintaining the factory BMW design. For many users, this is a reasonable solution for maintenance repairs, where it is crucial to maintain the original geometry and compatibility with the cooling system, without having to resort to replacements with uncertain parameters.

Original BMW group origin promotes predictable component behavior in the long term and also facilitates diagnostics in the event of any future inspections. This is particularly important in diesel engine cars, where stable cooling affects operating refinement, fuel consumption, and accessory durability.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the cooling system area and engine bay in your BMW and need other elements from the same group, such as additional fans, cooling module housings, or air guide shrouds, check the available parts in the Other BMW category.

For a comparison of solutions used in other brands and sports segments, as well as a better understanding of the impact of the cooling system, engine, and accessories on performance and durability, it is worth checking out the guide material Audi RS vs other models – what is hidden under the hood and chassis?, which discusses design differences in heavily loaded engine units.