BMW X5 E70 Bumper Diffuser Aero Rear Lower Centre Trim Panel Spacegrau - A52

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X5 E70 Bumper Diffuser Aero Rear Lower Centre Trim Panel Spacegrau - A52 is an original body component from the Bumpers and reinforcements category, designed for installation in the rear section of the vehicle. The diffuser allows for an aesthetic finish of the bumper, improves the aerodynamics of the rear zone, and restores the factory look of the car after a collision or modifications. Painting in the Spacegrau Metallic - A52 shade ensures consistency with the original BMW X5 E70 color palette.

Specifications and technical data

• SKU: 0413818-SCG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 0413818
• Substitutable numbers: 51120413818, 0413818, BG
• Location on the vehicle: Rear
• Color: Spacegrau Metallic - A52
• Category: Bumpers & Reinforcements

Purpose and function of the rear diffuser

The rear bumper diffuser in the BMW X5 E70 is responsible for organizing the airflow under the car and visually closing off the lower part of the bumper. Mounted in the rear zone, it is an integral part of the aero package, influencing stability at higher speeds and contributing to the consistent, dynamic look of the SUV.

This element is particularly important for post-accident repairs, replacing a damaged bumper, or upgrading the car's visual appearance to a sportier configuration. Thanks to its factory geometry, the diffuser maintains the correct body lines, which facilitates proper alignment with other bumper components.

Color and matching of Spacegrau Metallic - A52 paint

The finish in Spacegrau Metallic - A52 is consistent with the factory BMW paint specification, which facilitates the integration of the diffuser with the existing body paint. In practice, this means limiting the scope of paint work or simplifying it, especially when the car is maintained in the same color code.

By maintaining the original metallic tone, the diffuser surface harmonizes well with the bumper contours, moldings, and other elements of the rear body section. This solution allows for maintaining the consistent, factory character of the car, which is important both aesthetically and for the future resale of the vehicle.

Installation characteristics and body integration

The diffuser is designed for installation in the rear part of the BMW X5 E70, maintaining the factory mounting points. The construction intended for this generation of the model enables correct seating relative to the bumper, wheel arches, and the lower part of the trunk lid, without the need for interference with the body structure.

With correct installation, you achieve:

• stable mounting in the rear zone,
• proper airflow guidance under the vehicle,
• consistent transitions between the diffuser and other bumper elements.

This type of solution is particularly beneficial for professional body and paint repairs, where maintaining the original geometry and body lines is crucial.

Used condition and benefits of using OEM parts

The item comes from the used parts segment, which allows for combining repair cost control with maintaining the manufacturer's original specification. In practice, this means better fitment than in the case of many aftermarket replacements and compliance with factory aerodynamic assumptions.

If you want to better understand how the use of original used components affects the vehicle's value, it is worth checking out our guide: Original used parts vs. car resale price – how not to lose money?.

Expanding the modernization of the BMW rear zone

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