BMW E87 Front Bumper Left Brake Air Duct N/S 51747076841 7076841

The BMW E87 Left Brake Air Duct Inlet is a factory brake cooling system component, designed for installation on the front left side of the BMW 1 Series E87 model. Designed as a body part in the Other category, it directs airflow to the disc and caliper, supporting stable brake system operation during daily use and dynamic driving.

Specifications and technical data

• SKU: 7076841
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7076841
• Substitutable numbers: 51747076841, 7076841
• Location on the vehicle: Front, Left
• Category: Other Air Conditioning & Heating

Purpose and Function of the Brake Air Inlet

The left brake air duct inlet in the BMW E87 is responsible for supplying cool air to the front brake system. Thanks to its specifically shaped profile, it improves the thermal conditions for the disc and pads, which reduces braking effectiveness loss under higher loads. This component is particularly important in vehicles used in urban traffic and on highways, where frequent braking generates increased temperatures around the wheel hub.

Construction and Fit for BMW E87

The inlet has been designed specifically for the geometry of the front bumper and wheel arch of the BMW 1 Series E87, ensuring proper airflow guidance and stable mounting. The appropriate shaping of the mounting edges allows for correct alignment with adjacent body parts, without the need for modifications. This preserves the factory aerodynamics and the manufacturer's intended cooling duct path.

Benefits of Using an Original Air Duct

Using the original front left brake air duct inlet in the BMW E87 allows for maintaining proper brake system operating conditions. Key benefits include:

• maintaining the manufacturer's designed airflow around the front wheel,
• reducing the risk of overheating discs and pads during intense braking,
• correct fit to factory mounting points,
• consistency with other body parts in terms of shape and airflow management.

As a result, this component is a functional addition to the brake system, supporting its stability in typical road conditions.

Component Condition and Service Application

The offered brake air duct inlet is a part from the Other group, sourced from a dismantled BMW vehicle. This type of component is often replaced after mechanical damage to the bumper, wheel arch, or after collisions, when cracks or deformations of the duct occur. Replacing it with a functional part restores proper airflow to the front left wheel, which is important for both brake performance and the overall completeness of the wheel arch covers.

Part Selection by Numbers and Location

The inlet is assigned to a specific location on the vehicle – front, left side. When selecting, it is advisable to pay attention to compliance with manufacturer markings and interchangeable numbers, which help confirm compatibility with a specific version of the BMW E87. This helps avoid installation problems and ensures the proper functioning of the brake cooling duct.

If you are looking for other parts from the Other category dedicated to this brand, check out our offer for other BMW parts, where you will find a wide selection of body components and accessories.

Technical Knowledge and Brake System Development

For those interested in comparing solutions used in different brands and segments, including sports versions of models, we recommend an article discussing the differences in the construction of engines, brakes, and chassis. More information can be found in the blog post Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which helps to better understand the importance of proper brake system cooling in cars with diverse performance.