BMW 3 Series E90 Boot Trunk Left N/S Lateral Trim Panel CD-Changer Cover Grey

The Left Trunk Side Panel for BMW 3 Series E90 in grey is an original cargo area trim element designed for the installation of a CD changer. This upholstery panel provides an aesthetic finish to the left side of the trunk, while also helping to organize and protect the equipment installed in this part of the body. Thanks to its factory fit, it is a functional and visually cohesive addition to the trunk's interior.

Specifications and technical data

• SKU: 7139441
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7139441
• Substitutable numbers: 51477139441, 7139441, KZ
• Location on the vehicle: Left
• Color: Grey
• Category: Floor Mats, Carpets & Boot Liners

Purpose and Function of the Element

The presented panel is the left, side upholstery cover for the trunk, dedicated to the BMW 3 Series E90, designed as a cover for the CD changer area. The element is mounted on the driver's side, in the lateral part of the cargo space, where it is responsible for:

• covering the recess with the CD changer and electrical installation,
• organizing the left part of the trunk,
• protecting components from accidental mechanical damage,
• achieving a cohesive, factory finish for the upholstery.

This ensures the trunk maintains an organized appearance, and sensitive components are separated from the transported cargo.

Construction, Color, and Fit

The cover is made as a profiled side panel, shaped to fit the geometry of the wheel arch and the side wall of the trunk in the BMW E90. The grey color allows for harmonious integration with the original upholstery, without the contrasts and shade differences typical of lower-quality aftermarket parts.

The element is prepared for installation in factory mounting points, which facilitates installation and ensures a stable fit. The panel's design accommodates the CD changer and wiring, so after installation, the entire setup remains invisible to the user, and service access is possible after removing the cover.

Benefits of Using an Original Trunk Cover

Using a dedicated side panel in the BMW E90 trunk offers a number of practical benefits:

• Factory Fit – shape and mounting points are consistent with the manufacturer's original design.
• Cohesive Interior Aesthetics – uniform color and upholstery texture throughout the entire cargo space.
• Better Protection for Equipment – the CD changer and wiring harnesses are shielded from impacts from transported items.
• Noise Reduction – an additional layer of material helps to dampen sounds from the wheel arch and trunk area.

This solution is particularly recommended for restoring the original interior appearance after body repairs, audio modifications, or mechanical damage to the upholstery.

Condition and Application in Service and Restoration

The element is a used part obtained from dismantling and is offered as a used component, allowing for an economical replacement of a damaged or missing cover while maintaining the original BMW manufacturing standard. This type of panel is ideal for:

• post-accident repairs of the left part of the trunk,
• interior restoration in fleet and private vehicles,
• completing missing elements after previous modifications.

Thanks to the preservation of factory geometry, installation is efficient, without the need for structural modifications.

If you are planning a comprehensive repair or upgrade of the trunk area in your BMW and need other elements from the same group, such as side upholstery panels, recess covers, or additional liners, check the available parts in the BMW Trunk Liners, Mats, and Trays category.

Ecology and the Use of Used Parts

Choosing an original, used trunk cover is not only economical but also a real reduction in waste and resource consumption. More and more drivers are opting for a conscious approach to vehicle maintenance, combining care for technical condition with concern for the environment. If you want to better understand how using recycled parts can affect a car's performance and carbon footprint, read the article Eco-Tuning in Practice: How to Increase Performance While Reducing Your Carbon Footprint with Recycled Parts.