BMW E81 E87 LCI E88 Bumper Top Active Cooling Flap System 7174450

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E81 E87 LCI E88 Bumper Top Active Cooling Flap System is an original active cooling system component for the front body section, designed for BMW 1 Series E81, E87 LCI, and E88 models. This component from the Bumpers and reinforcements group works with the upper part of the bumper, supporting the control of airflow to the radiators and the engine compartment. Using an OEM part allows for maintaining factory geometry and proper operation of the cooling system without the need for aftermarket replacements.

Specifications and technical data

• SKU: 7174450-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7174450
• Substitutable numbers: 7174450, 51647174450, 6938297
• Category: Bumpers & Reinforcements

Purpose and function in the vehicle

The active cooling flap system in the upper part of the bumper is responsible for controlling the airflow in the front body zone. In BMW E81, E87 LCI, and E88 models, this element works with the bumper structure, reinforcements, and radiator equipment to:

• optimize airflow to the radiators and engine compartment,
• support the thermal stability of the power unit,
• maintain proper air pressure in the front fascia zone,
• preserve the factory rigidity and consistency of the bumper structure.

Thanks to the use of an original component, compliance with the factory BMW design is maintained, which reduces the risk of improper fitment of the bumper and adjacent elements.

Construction and fitment for BMW 1 Series

The presented active cooling flap system is structurally integrated with the upper part of the bumper in BMW 1 Series E81, E87 LCI, and E88 vehicles. This means that:

• mounting points are adapted to the factory holes and reinforcements of the front fascia,
• the geometry of the element is consistent with the bumper line and engine compartment covers,
• it is designed to work with factory guides, brackets, and aerodynamic covers.

The original origin from the BMW group promotes maintaining proper fitment with other body components, which is important for both aerodynamics and the aesthetics of the front of the vehicle.

Benefits of using an original used component

Choosing a used active cooling flap system for the BMW 1 Series is a solution that allows you to combine cost control with maintaining factory mounting parameters. Key advantages include:

• Reproduction of the factory design – no need for modifications to the bumper, reinforcements, or mounts.
• Consistency with the existing cooling system – an element designed to work with original radiators and covers.
• The ability to restore proper system operation after a collision or bumper removal.
• Better fitment than many non-factory replacements.

A used component allows for a technically correct repair of the front fascia zone without interfering with the BMW structural design, which is particularly important for the precise setting of the bumper and reinforcements.

Application in bumper and reinforcement repairs

The active cooling flap system mounted in the upper part of the bumper is often replaced during post-collision repairs, bumper replacement, or front fascia upgrades. In workshop practice, it is used, among other things, when:

• mechanical damage to the bumper and adjacent elements has occurred,
• it is necessary to restore the full functionality of the cooling system,
• the vehicle was operated with missing or damaged cooling flaps.

Using an original element from the Bumpers and reinforcements group makes it easier to maintain the proper geometry of the front fascia, which is important for safety and the correct installation of other body components.

Additional information and related categories

If you are planning a comprehensive repair or upgrade of the front fascia zone in your BMW and need other elements from the same group, such as beams, reinforcements, or additional brackets, check the available parts in the BMW Bumpers and reinforcements category.

To better take care of the durability of installed dismantled components, including cooling system and front fascia elements, it is worth familiarizing yourself with practical tips regarding the operation and maintenance of used parts – detailed advice can be found in the article How to extend the service life of used car parts?.