Air Duct BMW F45 F46 LCI Petrol B38 B48 Radiator Air Channel Left N/S 7468495

Air Duct BMW F45 F46 LCI Petrol B38 B48 Radiator Air Channel Left N/S for B38 and B48 petrol engines is an original air duct system component, designed specifically for the facelift version. As part of the Bumper inserts and covers group, it is responsible for precisely directing the airflow to the radiator, which supports stable operating conditions for the engine unit and proper aerodynamics of the front bodywork.

Specifications and technical data

• SKU: 7468495
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7468495
• Substitutable numbers: 7468495, 51747468495
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Bumper Inserts & Covers

Purpose and technical function

The presented left air duct is a component of the radiator air intake system in facelifted BMW 2 Series Active Tourer/Gran Tourer models (F45/F46 LCI) with B38 and B48 petrol engines. Its task is to:

• direct the airflow from the front bumper directly to the radiator,
• stabilize airflow at various driving speeds,
• protect the radiator zone from unwanted air turbulence.

Thanks to its precise geometry and factory mounting points, the duct works in conjunction with other bumper assembly components, maintaining the structural integrity of the entire vehicle front.

Compatibility with petrol units

The component has been developed for the B38 and B48 petrol engine family, meaning its shape and airflow cross-section are adapted to the thermal characteristics of these units. In practice, this translates into:

• more predictable cooling conditions in typical load ranges,
• better integration with the factory cooling package,
• maintaining the temperature reserves designed by BMW in both city and highway driving.

Selecting an air duct compatible with the fuel type and engine generation is essential for maintaining proper cooling system operation and avoiding unwanted differences in airflow.

Vehicle placement and role in bumper assembly

This is a component designed for the left side of the vehicle, working with the front bumper structure and adjacent covers. When correctly installed, the duct:

• completes the assembly of the space behind the bumper,
• limits the ingress of debris into the radiator area,
• helps maintain the factory airflow paths in the front compartment.

Due to its specific fitment for one side of the body, it is important to use the correct variant to ensure proper alignment with other system components.

Characteristics as a used part

The offered air duct is a used part, sourced from dismantling, which allows for maintaining factory specifications while optimizing service costs. In practice, this means:

• original geometry and mounting points consistent with the BMW design,
• the ability to install it in place of a damaged component without interfering with the bumper structure,
• maintaining the consistent appearance and function of the entire air duct system.

Choosing an original, used component is often preferred for accident repairs and when restoring a car to a condition consistent with factory technical documentation.

Support for expanding the bumper cover system

If you are planning a comprehensive repair or upgrade of the front bumper area in your BMW and need other components from the same group, such as additional air ducts, guide covers, or masking inserts, check out the available parts in the BMW Bumper inserts and covers category.

For owners of older vehicles who want to refresh their car in a controlled manner using original, used components, the article describing practical modernization scenarios and part selection may be helpful – more information can be found in the material The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.