BMW 1 SERIES 4 E87 Sill Strip Side Skirt Left N/S Sonora Metallic - A23

BMW 1 SERIES 4 E87 Sill Strip Side Skirt Left N/S Sonora Metallic - A23 is an original body component designed for installation on the left side of the BMW 1 Series E87 model. The sill cover in Sonora Metallic – A23 allows for a visually consistent complement to the factory paintwork and maintains the aesthetics of the vehicle's entire side profile. It is a practical solution for users who want to restore the factory look of the sill in a functional and aesthetic manner.

Specifications and technical data

• SKU: 0032949-SON4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51770032949
• Substitutable numbers: 51770032949, 0032949, SON18042102
• Location on the vehicle: Left
• Color: Sonora Metallic - A23
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The presented sill cover has been designed as a dedicated component for the left sill of the BMW 1 Series E87. Its task is to protect the sill area from typical operational damage, such as scuffs from footwear when entering and exiting the vehicle or minor impacts. Thanks to its precise fit for the specific body model, the correct geometry of the side line and proper alignment with adjacent body panels are maintained.

Color: Sonora Metallic – A23

The Sonora Metallic – A23 color is a distinctive metallic shade used by the factory in BMW vehicles, which allows for maintaining a uniform body color without the need for additional painting in a different shade. Using the original color facilitates the integration of the component with the remaining body panels, which is particularly important during post-accident repairs or localized renovation of the side part of the body.

Placement on the vehicle and fitment

The sill strip is intended for installation on the left side of the vehicle, in the sill area. The component's design is prepared for factory mounting points, which facilitates correct seating and limits the need for additional modifications. This solution helps maintain the proper rigidity of the sill area and an aesthetic transition between the sill and other elements of the side body section.

Product characteristics and application

The element comes from the group of original BMW components, which translates into dimensional compatibility with factory mounting points and proper fit to the body line. The product in used condition is a cost-effective solution for repairs where maintaining the original geometry and color is key, while optimizing costs compared to new parts.

Application in repairs and upgrades

The left sill strip cover in Sonora Metallic – A23 will work well both for standard replacement of a damaged element and for partial renovation of the side body area. It can be used in:

• repairs after collisions involving the left sill,
• visual refreshment of the driver's entry area,
• replacing a missing or heavily worn sill component.

If you are planning a comprehensive repair or upgrade of the sill area in your BMW and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Other BMW category.

Technical support and component knowledge

When planning broader work on the body or chassis, it is worth considering the specifics of sports versions of vehicles and the structural differences between variants of a given model. In the context of analyzing solutions used in high-performance cars, an article discussing the construction of engines, brakes, and chassis in sports versions may be helpful, available at the link: Audi RS vs other models – what is hidden under the hood and chassis?.

Summary

BMW 1 SERIES 4 E87 Sill Strip Side Skirt Left N/S Sonora Metallic - A23 is a practical, original body element designed for installation on the left side of the vehicle, in the dedicated Sonora Metallic – A23 color. It ensures a visually consistent look for the sill area, proper fit to the bodywork, and enables a technically correct repair or renovation of the side part of the body in the BMW 1 Series E87.