BMW X3 G01 F97 X4 F98 Holder Bracket Mount Auxiliary Radiator 7400115

BMW X3 G01 F97 X4 F98 Holder Bracket Mount Auxiliary Radiator is an original mounting component designed for the stable attachment of the auxiliary radiator in BMW X3 G01/F97 and X4 F98 models. The precise geometry of the bracket ensures proper positioning of the auxiliary radiator relative to other cooling system components, which translates into safe engine operation across a wide range of loads. This solution is dedicated to users who expect factory-fit and secure mounting without the need for modifications.

Specifications and technical data

• SKU: 7400115
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7400115
• Substitutable numbers: 7400115, 51647400115
• Category: Water Pumps

Purpose and function of the auxiliary radiator bracket

The presented bracket has been designed specifically for the BMW X3 G01/F97 and X4 F98 platforms, where it is responsible for the stable mounting of the auxiliary radiator in the engine bay. A correctly selected and installed bracket:

• maintains the radiator in the operating position designed by the manufacturer,
• minimizes the transfer of vibrations from the body and powertrain to the radiator,
• reduces the risk of leaks resulting from mechanical stress,
• supports even airflow through the auxiliary radiator core.

As a result, the cooling system maintains stable operating parameters, which is particularly important in vehicles operated dynamically or under higher thermal loads.

Construction, fitment, and installation

The auxiliary radiator bracket for the BMW X3 G01/F97 and X4 F98 is a structural element matched to the factory mounting points on the vehicle body. This means that installation is performed in a plug-and-play manner – without the need to drill additional holes or use adapters.

Key installation features:

• designed for factory sockets and clips in the specific BMW model,
• appropriate structural rigidity ensuring stable radiator support,
• geometry consistent with the original design, facilitating proper routing of hoses and covers.

Such a solution allows for maintaining compliance with the factory engine bay architecture and facilitates the servicing of other cooling system components.

Benefits of using an original BMW bracket

Using an original auxiliary radiator bracket in the BMW X3 G01/F97 and X4 F98 brings a number of practical operational benefits:

• Factory fitment – no issues with collisions with other elements, such as hoses, covers, or adjacent modules.
• Stable radiator mounting – reduction of the risk of mechanical damage resulting from excessive vibrations or looseness.
• Easier diagnostics and service – the mechanic works on a solution known from BMW service documentation, which speeds up maintenance.
• Consistency with other cooling system components – the bracket works with factory radiators and associated parts.

For the user, this means predictable vehicle behavior and the ability to maintain the cooling system within factory-like parameters.

Product characteristics and practical application

The offered bracket belongs to the group of mounting elements related to the Water Pumps category and the cooling system in general. Replacing this component is recommended in situations where:

• mechanical damage to the bracket has occurred (cracks, deformations),
• the auxiliary radiator does not maintain a stable position,
• after a collision or bodywork repairs, it is necessary to restore the factory mounting geometry.

Selecting a bracket compatible with a specific version of the BMW X3 G01/F97 or X4 F98 allows you to avoid compatibility issues and ensures proper cooperation with other cooling system elements.

Integration with the cooling system and fuel system

An efficient cooling system, including a properly mounted auxiliary radiator, has a direct impact on engine operating conditions and, indirectly, on the stability of fuel system parameters. For users who want to better understand the relationship between engine operating temperature and fuel supply functionality, the following article on the diagnostics and maintenance of key components will be helpful – fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as housings, supports, or additional mounts, check the available parts in the BMW Water Pumps category.

For owners of models with BMW diesel engines who are considering the optimal choice of a powertrain in terms of durability and availability of aftermarket parts, a comparative material may also be a useful addition to your knowledge – BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels.