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 a precisely engineered component from the Bumpers and reinforcements category, responsible for directing airflow in the front section of the body. A properly selected air intake flap improves airflow, supports the thermal stability of components, and helps maintain the aerodynamic integrity of the front end of your BMW. Thanks to the use of the original design, you maintain factory fitment and predictable vehicle behavior.

Specifications and technical data

• SKU: 7174450-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7174450
• Substitutable numbers: 7174450, 51647174450, 6938297, KD
• Category: Bumpers & Reinforcements

Purpose and function of the component

The air guide in the form of an intake flap in BMW 1 Series LCI models is responsible for the controlled supply of air to the radiator zone and surrounding components. A correctly selected element:

• stabilizes airflow in the front bumper,
• reduces turbulence that affects cooling efficiency,
• supports the protection of mechanical components against road debris.

Thanks to the preservation of the factory flap geometry, installation does not require modifications to the bumper structure or additional mounting adjustments.

Benefits of using the original intake flap

Using an original BMW air guide allows you to maintain the integrity of the cooling system and the aerodynamics of the front end. The element from this group ensures:

• factory fitment with the bumper and front reinforcement,
• predictable airflow behavior at various speeds,
• compatibility with factory mounting points.

This solution is particularly important for post-accident repairs, when it is necessary to restore the original airflow geometry without quality compromises.

Installation characteristics

The intake flap from the Bumpers and reinforcements group is designed for a specific body type, which facilitates installation and reduces the time needed for fitting. In practice, this means:

• preservation of original mounting points,
• no need to interfere with the bumper structure,
• the ability to efficiently restore the factory look of the front end.

Before installation, it is worth comparing the shape and placement of the mounts with the removed element to confirm compatibility with the specific vehicle configuration.

Condition and practical application

The offered air guide comes from the used BMW parts segment, which allows for economical repair while maintaining the original design. This type of element is particularly useful for:

• repairs after collisions in the front part of the body,
• replacing missing components in the bumper zone,
• restoring proper airflow after previous non-original modifications.

For enthusiasts planning visual or functional modifications to the front end, maintaining a functional intake flap is important from the point of view of thermal stability and predictable vehicle behavior.

Expanding the BMW front end zone

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

For those considering further vehicle modifications using aftermarket components, practical tips on safely increasing performance and optimizing costs can be found in the article Tuning with used parts – how to gain performance without spending a fortune.