BMW X3 Series E83 Radiator Bracket Mounting Plate 3509203

The BMW X3 E83 Fan Reservoir Mount is an original cooling system component from the BMW group, designed for stable mounting of the reservoir to the fan. This practical solution ensures proper routing of hoses and secure positioning of the reservoir, contributing to the efficient operation of the cooling system in the BMW X3 E83.

Specifications and technical data

• SKU: 3509203
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3509203
• Substitutable numbers: 17113509203, 3509203
• Category: Other Steering & Suspension Parts

Purpose and Function of the Mount

The fan reservoir mount in the BMW X3 E83 is responsible for securely seating the reservoir in the engine bay and its correct positioning relative to the fan and other cooling system components. Thanks to this:

• the reservoir remains stable during driving and engine operation,
• the risk of vibrations and unwanted stress on connectors and hoses is reduced,
• it is easier to maintain proper fluid circulation within the radiator and fan assembly.

This component is particularly important during cooling system servicing when maintaining the original assembly geometry and correct interaction with other components is crucial.

Compatibility and Identification Parameters

The mount has been specifically designed for the BMW X3 E83, ensuring proper fitment to factory mounting points and compatibility with the original reservoir and fan. The part features a dedicated OEM number and interchangeable numbers, facilitating unambiguous identification in service catalogs and when selecting a replacement.

As this product comes from the BMW OE line, it is compliant with factory technical documentation, and installation does not require modifications or adaptations of other cooling system components.

Condition, Origin, and Service Application

The offered fan reservoir mount is a part from the Radiators category, sourced from vehicle dismantling. Such components are often chosen by professional workshops and discerning users seeking original parts at a reasonable price while maintaining compliance with factory specifications.

In practice, the mount is suitable for both standard replacement of a damaged bracket and for major cooling system repairs, including the radiator, fan, or expansion tank. Using an original bracket helps avoid issues with improper fitment and excessive vibrations that can occur with non-manufacturer-designed parts.

Benefits of Using an Original Mount

Choosing the original fan reservoir mount for the BMW X3 E83 offers a range of practical benefits:

• Factory Fitment – compatibility with mounting points and the cooling system geometry of the BMW X3 E83.
• Stable Reservoir Support – reduced vibrations and stress, contributing to the durability of hoses and connectors.
• Easier Diagnostics and Service – maintaining the original component layout simplifies mechanics' work and access to sub-assemblies.
• Cohesion with Other Cooling System Components – the mount works with the radiator, fan, and accessories as intended by the manufacturer.

More About the Cooling System and BMW Parts

To better understand how a proper reservoir mount, radiator, and fan affect engine operating temperature and durability, it is worth reading the guide on our blog: Engine Cooling System – Overheating, Repair, and Used Radiators. There you will find practical tips on diagnosing and operating cooling systems in popular models.

If you are interested in other cooling system-related parts for this brand, including various radiator configurations and associated components, check out the available parts in the BMW Radiators category.

For users who want to make informed choices about dismantled parts while also caring for the environment and their budget, we have also prepared material describing the advantages of reusing original components: Circular Economy in Your Garage – How Choosing Used Dismantled Parts Truly Supports Environmental Protection and Your Wallet?.