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 BMW X3 E83 model. The product belongs to the Covers group and is intended for use in the rear part of the vehicle, allowing for a precise fit to the specific car configuration. This is a solution for users looking for a proven component with factory geometry and solid construction.

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 fitment for BMW X3 E83

The presented radiator has been designed with the cooling system of the BMW X3 E83 in mind, taking into account the structural requirements of this model. Its placement in the rear part of the vehicle means that the component works with factory hose routing, mounts, and covers, which facilitates installation and limits the need for modifications.

By maintaining the original geometry of the flow channels and mounting points, the radiator allows for maintaining stable cooling system operating parameters, which is important both in daily operation and under higher thermal loads on the engine unit.

Technical and functional characteristics

The water radiator in the BMW X3 E83 is responsible for dissipating excess heat from the cooling system, stabilizing the engine's operating temperature. The design intended for rear vehicle installation works with the factory fluid circuit, ensuring:

• efficient heat exchange under typical road conditions,
• compatibility with stock hoses and connectors,
• correct alignment relative to other cooling system components.

The original BMW brand origin means maintaining the manufacturer's quality standards, including appropriate structural rigidity, vibration resistance, and fitment to factory mounting points.

Component condition and service application

The water radiator is an aftermarket component, making it an attractive option for service repairs when the priority is to maintain the original design while optimizing costs. This type of component is suitable for:

• replacing a damaged radiator after a collision or failure,
• restoring the efficiency of the cooling system in vehicles used intensively,
• servicing vehicles where maintaining the factory coolant flow system is essential.

For workshops and individual users, this means the ability to use parts of known origin without the need to adapt replacements with different designs.

Benefits of using an original BMW radiator

Using a water radiator dedicated to the BMW X3 E83 allows for maintaining the consistency of the entire cooling system. Key advantages include:

• Factory fitment – compliance with the body and cooling system design, with no need for modifications.
• Stable operating parameters – predictable system behavior under various thermal load conditions.
• Consistency with other components – proper cooperation with hoses, mounts, and covers in the rear of the vehicle.

As a result, the radiator is a suitable choice both for standard repairs and for more extensive service work related to the cooling system.

Expanding upgrades within the BMW body

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

For users interested in a broader approach to servicing and modifying cars of this brand, a useful supplement to your knowledge may be a guide on selecting components for turbocharged BMW units – you can find it in the article BMW B58 code – checklist before buying a turbocharger and intercooler, which discusses practical aspects of compatibility and part verification before installation.