BMW X3 E83 Radiator Engine Water Cooling 17113403551 3403551

BMW X3 E83 Radiator Engine Water Cooling is an original cooling system component designed for installation in the rear part of the vehicle, specifically engineered for BMW X3 E83 generation models. This used part from the Covers category allows for an economical yet technically sound repair of the cooling system, maintaining factory fitment and performance parameters. It is an ideal solution for users seeking a proven component with a design that meets the manufacturer's standards.

Specifications and technical data

• SKU: 3403551
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3403551
• Substitutable numbers: 17113403551, 3403551
• Location on the vehicle: Rear
• Category: Caps

Purpose and function in the cooling system

BMW X3 E83 Radiator Engine Water Cooling is responsible for the efficient dissipation of heat from the coolant, stabilizing the operating temperature of the engine and related components. Its placement in the rear of the vehicle allows for optimal use of airflow and integration with other cooling system elements, which translates into uniform heat dissipation under various operating conditions.

This element is particularly important in vehicles used in diverse thermal conditions, where maintaining a stable operating temperature affects the durability of the engine, transmission, and other components cooperating with the cooling system.

Design and fitment for BMW X3 E83

The radiator has been designed as an original BMW part, ensuring precise alignment with factory mounts and cooling system hoses. As a result, installation is straightforward, without the need for structural modifications to the bodywork or installation.

As an item from the Covers category, the radiator works in conjunction with shields, air ducts, and other rear body components, creating a cohesive airflow management system. This solution promotes stable cooling system operation during both city driving and long-distance travel.

Condition, verification, and service application

The offered radiator is a used component, which allows for reduced repair costs while maintaining the manufacturer's original specifications. This type of component is often chosen for vehicle servicing where mechanical damage to the cooling system has occurred or replacement is necessary due to wear and tear.

In workshop practice, using an original, used radiator enables:

• maintaining the factory geometry of the cooling system,
• preserving compatibility with existing hoses and mounts,
• reducing the risk of fitment issues compared to aftermarket parts with universal designs.

Benefits of using an original BMW radiator

Choosing an original water radiator for the BMW X3 E83 translates into a number of practical service and operational benefits:

• Factory fitment – compatibility with the body and cooling system design, with no modifications required.
• Consistency with other rear body elements – proper cooperation with shields, ducts, and other covers.
• Stable cooling system operation – proper heat dissipation under typical road conditions.

For BMW X3 E83 users planning cooling system maintenance, using an original component helps maintain the vehicle's performance characteristics close to factory standards, which is important for both durability and driving comfort.

Further bodywork upgrades for BMW

If you are planning a comprehensive repair or upgrade of the rear 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 Covers category.

For drivers interested in broader vehicle upgrades and improving the performance of other systems, helpful guides may also be useful. In this context, it is worth reading an article describing the selection and installation of a sports exhaust system in premium segment cars, available here: Used Mini John Cooper Works Pro sports exhaust – a legal way to get a race-inspired sound and +7 HP.