BMW F80 M3 F83 M4 LCI Radiator Support Air Duct Top Upper 8054117

BMW F80 M3 F83 M4 LCI Radiator Support Air Duct Top Upper is an original upper radiator support air duct, designed for the F-generation BMW M-series sports models. This item belongs to the Clamps and mounting parts category and serves as a precise mounting component for the cooling system, ensuring stable airflow guidance and proper support for adjacent sub-assemblies.

Specifications and technical data

• SKU: 8054117
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8054117
• Substitutable numbers: 8054117, 51748054117
• Location on the vehicle: Front
• Category: Brackets & Hardware

Purpose and function of the component

The presented upper radiator support air duct is designed for installation in the front section of the vehicle body, within the front panel area. Its task is to direct airflow towards the radiator and other heat exchangers, as well as to provide a stable connection with adjacent structural elements. This allows the cooling system to operate under predictable conditions, which helps maintain the appropriate operating temperature of the engine during dynamic driving.

As a mounting part, the duct works with other front-end components to create a cohesive, rigid mounting system. The precise fit of its shape and mounting points allows for seamless integration with the factory design of M3 and M4 models after the LCI facelift.

Original origin and BMW fitment

The element comes from the BMW line, which means it adheres to factory design and production standards. Its original origin translates into:

• precise fitment with the front body section without the need for modifications,
• preservation of the airflow geometry intended by the manufacturer,
• compatibility with factory mounting points and adjacent covers.

As a result, the installation process is predictable, and the entire front zone maintains a structure consistent with the assumptions of BMW engineers, which is important for both durability and future service maintenance.

Characteristics of the used component

The offered air duct is a used part, which, in the case of original BMW mounting elements, represents a reasonable compromise between cost and maintaining factory build quality. A used component allows for an economical repair of the front zone without sacrificing proper fitment and compliance with the vehicle's design.

Choosing an original second-hand element is particularly important in M-class cars, where the precision of assembly and the preservation of factory front-end aerodynamics affect the stability of the cooling system during intensive track use or dynamic road driving.

Benefits of use in BMW M3 / M4 LCI

Using this air duct in the front section of a BMW M3 F80 or M4 F83 after the LCI facelift brings a number of practical benefits:

• Stable airflow – directing the stream to the radiator and other heat exchangers improves thermal conditions in the engine bay.
• Factory mounting geometry – maintaining original mounting points facilitates service and potential future repairs.
• Structural consistency of the front end – a correctly installed element helps form a rigid front panel structure, which reduces unwanted vibrations.
• Reasonable repair costs – a used, original component allows you to restore the factory configuration without having to resort to cheaper replacements with uncertain fitment.

Support with selection and repair expansion

If you are planning a comprehensive repair or upgrade of the front area in your BMW and need other elements from the same group, such as clamps, brackets, or additional mounts, check out the available parts in the BMW Clamps and mounting parts category.

To better assess the impact of using original, used components on the vehicle's value upon later sale, it is worth checking out the guide: Original used parts vs. car resale price – how not to lose money?. The article explains why maintaining factory mounting solutions is beneficial both technically and financially.