BMW Z4 Series E89 Cabrio Roadster Cover Lateral Trim Panel Rear Right O/S Black

BMW Z4 Series E89 Cabrio Roadster Cover Lateral Trim Panel Rear Right O/S Black is an original interior rear trim component designed for the right side of the vehicle. It provides an aesthetic cover for the area around the speaker while protecting it from mechanical damage. Thanks to its precise fit for BMW and understated black color, the component integrates harmoniously with the factory cabin styling.

Specifications and technical data

• SKU: 9121824
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9121824
• Substitutable numbers: 51439121824, 9121824, 42315871
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Window Seals, Gaskets & Trims

Purpose and function of the component

The described side trim serves as a speaker cover in the rear right section of the vehicle. Its purpose is to:

• ensure stable mounting in factory installation points,
• protect the speaker from accidental impacts and dirt,
• visually organize the side section of the interior,
• reduce unwanted resonance in the speaker area.

Thanks to its dedicated shape and proper profiling, the component works with the factory audio system without obstructing the driver or impairing sound propagation.

Fitment for BMW E89 Z4

The trim has been designed specifically for the BMW Z4 E89 generation model, intended for the rear right side of the vehicle. This means that:

• the geometry of the component corresponds to the factory lines of the side panel,
• the mounting points are compatible with the original brackets in the bodywork,
• there is no need for modifications or forced fitting.

Such a solution allows for a quick and predictable replacement of a damaged cover, which is important for both workshops and users servicing their BMWs themselves.

Color and interior integration

The black color of the trim is consistent with typical BMW Z4 E89 interior configurations, ensuring the component does not stand out against other panels. This facilitates:

• maintaining a uniform cabin aesthetic after repair,
• installation in various interior equipment variants,
• combining with other side panels and decorative strips.

The neutral, dark color also helps mask minor signs of wear, which is of practical importance for a used component.

Characteristics of a used component

The speaker cover comes from disassembly, meaning it is a used part. For many users and service centers, this is a beneficial solution because it:

• retains the original BMW material specifications,
• allows for an economical interior repair,
• facilitates visual matching with the remaining, already used cabin elements.

Before installation, it is recommended to perform a standard check of the mounts and the trim surface to ensure proper fitment with adjacent panels.

Selection support and further expansion

Manufacturer markings and interchangeable numbers are helpful in selecting this trim, enabling precise matching to a specific BMW Z4 E89 configuration. In case of doubt, it is worth using the vehicle's VIN or consulting a mechanic specializing in the BMW brand.

If you are planning a comprehensive repair or upgrade of the window and side zone in your BMW and need other components from the same group, such as window seals, trim strips, or additional covers, check the available parts in the BMW window seals and strips category.

If you want to streamline the purchasing process and better evaluate the condition of aftermarket components, the following practical guide will be helpful – Safe purchase of used car parts online – a step-by-step guide, where you will find tips on verifying parts by OEM numbers and best practices for online shopping.