Radiator Bracket BMW F20 F21 LCI B58 Carrier Right O/S Mount Support 7389930

Radiator Bracket BMW F20 F21 LCI B58 Carrier Right O/S Mount Support is an original mounting component, designed specifically for the 1 Series facelift models with the B58 engine. Stable radiator support on the right side translates into safe cooling system operation and reduced vibrations and stress in the critical front-end area. As a factory bracket, it ensures proper mounting geometry and compatibility with the BMW body structure.

Specifications and technical data

• SKU: 7389930
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7389930
• Substitutable numbers: 7389930, 51747389930, KD
• Location on the vehicle: Right
• Category: Radiators

Purpose and function of the radiator bracket

The presented bracket is a load-bearing component for the coolant radiator in the BMW 1 Series F20/F21 facelift (LCI) with the B58 unit, mounted on the right side of the vehicle. Its task is to keep the radiator in the correct position relative to the front panel, bumper beam, and other cooling system components.

Precisely shaped mounting points allow for:

• stable seating of the water radiator in the factory sockets,
• reduction of vibration transfer from the body to the heat exchanger,
• maintaining proper mounting clearances relative to the fan and shrouds,
• preserving correct airflow through the radiator package.

Benefits of using an original BMW bracket

Using the original Radiator Bracket BMW F20 F21 LCI B58 Carrier Right O/S Mount Support allows you to maintain the factory operating parameters of the cooling system. The support structure has been developed for a specific body and engine, thanks to which it:

• ensures a proper fit to the mounting points in the front panel,
• facilitates radiator installation without the need for modifications,
• minimizes the risk of stress leading to leaks in connectors or hoses,
• maintains the appropriate distance from the fan and other accessory components.

Such a solution is particularly important in cars with more powerful units, where cooling system stability has a direct impact on engine durability and operational comfort.

Mounting characteristics and condition of the component

The radiator bracket belongs to the group of front-end structural elements responsible for supporting the water radiator on the right side. As a part removed from a vehicle, it retains its factory geometry and is ready for re-installation in a compatible BMW F20/F21 LCI B58.

Selecting the correct bracket is crucial for:

• post-accident front-end repairs,
• replacing a damaged water radiator,
• restoring factory radiator mounting rigidity,
• eliminating unwanted vibrations and noises in the front-end area.

Significance for the cooling system and engine durability

A correctly mounted water radiator in the BMW F20/F21 LCI B58 has a direct impact on the efficiency of heat dissipation from the engine. The right-side bracket stabilizes the entire cooling module, which helps maintain the optimal operating temperature of the power unit, especially under higher loads and in urban conditions.

To better understand how operating conditions affect this area, it is worth checking out a guide describing the impact of high temperatures on the cooling system and the cost-effectiveness of using used components – details can be found in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Related items in the BMW water radiators category

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other elements from the same group, such as coolant radiators, mounting housings, or additional brackets, check the available parts in the BMW water radiators category.