BMW X3 Series 1 E83 Radiator Bracket Mounting Plate Expansion Tank 3400017

The BMW E83 X3 Radiator Housing Mounting Bracket is an original mounting part designed for the stable seating of the radiator housing in the BMW X3 E83 model. The precise geometry of the bracket ensures proper load transfer from the radiator to the body structure, which translates to safe operation of the cooling system and reduction of vibrations and unwanted stresses. As part of the Covers group, this component allows for maintaining the factory mounting method without the need for modifications.

Specifications and technical data

• SKU: 3400017-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3400017
• Substitutable numbers: 17113400017, 3400017
• Category: Caps

Purpose and Function of the Bracket

The radiator housing mounting bracket in the BMW X3 E83 is responsible for the correct positioning of the radiator relative to the front crossmember and other engine bay components. Thanks to this:

• the radiator maintains the correct distance from the fan and shrouds,
• the risk of rubbing against other components is reduced,
• the cooling system operates stably under various road conditions.

Using a dedicated bracket instead of alternative solutions allows for maintaining factory component fitment and facilitates subsequent service operations.

Construction and Fitment for BMW X3 E83

The part has been designed specifically for the front body structure of the BMW X3 E83, taking into account the shape of the radiator housing and the mounting points in the body. Appropriately shaped contact and guide surfaces ensure:

• secure support of the radiator housing in the locations designated by the manufacturer,
• compatibility with factory shrouds and other mountings,
• easier installation and removal during service work.

As part of the Covers group, the bracket works with other cover and mounting elements in the front area of the vehicle, creating a cohesive mounting system.

Condition and Service Application

The offered bracket is used, making it a cost-effective solution while maintaining original mounting geometry. This type of part is particularly useful in situations where:

• the mounting has been damaged as a result of a collision or impact to the front of the vehicle,
• the radiator or radiator housing has been replaced and it is necessary to restore the complete mounting system,
• cracks, deformations, or excessive play have been identified in the existing bracket.

Using an original bracket allows for restoring the correct rigidity of the radiator mounting and reducing the risk of secondary damage resulting from improper support.

Benefits of Using an Original Bracket

Choosing a dedicated radiator housing mounting bracket for the BMW X3 E83 offers a number of practical advantages:

• maintaining the factory assembly line in the front of the vehicle,
• reducing vibrations transmitted to the radiator and housing,
• easier maintenance of the cooling system's tightness and efficiency,
• no need for custom fabrication or modification of mounting points.

This makes the repair more predictable, and the final result closer to the solution used by the vehicle manufacturer.

Related Parts and Additional Information

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

When selecting used mounting components and powertrain parts, it is advisable to rely on reliable technical knowledge – the expert guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which discusses practical aspects of selecting parts based on manufacturer codes and real operating conditions, may be helpful.