BMW Z4 E85 E86 Cover Rear Left Right Speaker Trim 7112115

BMW Z4 E85 E86 Cover Rear Left Right Speaker Trim is an original interior trim component designed for installation in the rear cabin area of the BMW Z4 E85/E86 generation roadster. The beige color scheme helps maintain the consistency of the factory interior design, while the fitment for both the left and right sides ensures proper seating with the stock speakers. This is a practical solution for users who want to aesthetically complete or replace the factory audio housing in their BMW.

Specifications and technical data

• SKU: 7112121-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7112121
• Substitutable numbers: 51437112121, 7112121, 51437112122, 7112122, 7112115
• Location on the vehicle: Rear, Right, Left
• Color: Beige
• Category: Other Interior Parts & Accessories

Purpose and fitment for BMW Z4 E85/E86

The presented cover has been designed specifically for the BMW Z4 E85/E86 model, taking into account the geometry of the rear cabin and the stock sound system. The component fits both the left and right sides of the rear interior zone, which facilitates the completion of the audio setup after repairs, modifications, or upholstery removal.

Factory mounting points and a shape tailored to the body lines allow for installation without interfering with the vehicle's structure. As a result, the cover works well with the original speakers, maintaining the acoustic flow intended by the manufacturer and ensuring stable mounting.

Design characteristics and color

The speaker cover is a finishing element for the rear interior, designed to aesthetically cover the speaker basket and integrate with the side upholstery. The beige color allows for harmonious matching with light-colored BMW Z4 interior configurations, reducing contrast and maintaining a consistent factory look.

The profile of the element has been adapted to the shape of the side panels and wheel arches in the rear cabin, which minimizes the risk of looseness, squeaking, or unwanted resonance. Consequently, the cover serves both a visual and practical function – it stabilizes the area around the speaker and helps protect it from accidental mechanical damage from the interior side.

Function in the sound system and vehicle interior

In the BMW Z4 E85/E86 model, the rear speakers operate in a limited cabin space, which is why a properly fitted cover is important for acoustic comfort. A correctly installed component:

• organizes the space around the speaker and limits passenger contact with the diaphragm,
• supports the maintenance of a stable speaker position relative to the upholstery,
• helps reduce minor vibrations of finishing elements in the rear interior,
• ensures a consistent, factory look for the rear cabin zone.

Thanks to this, the cover is useful both during standard operation and after audio system modifications, when the goal is to maintain the original interior aesthetics.

Scope of application and mounting configurations

The element is intended for installation in the rear of the vehicle, with the possibility of use on either the right or left side. This design facilitates:

• replacing a missing cover on one side,
• replacing a pair of covers in case of color differences or signs of wear,
• restoring a consistent interior look after bodywork repairs or audio installation work.

The cover is compatible with the factory mounting points in the BMW Z4 E85/E86, which allows for installation without additional adapters or structural modifications.

Condition and benefits of using an original part

The product comes from the BMW group and is an original component, which translates into proper fitment to the interior geometry and compliance with the factory styling line. Choosing an original speaker cover helps avoid problems typical of aftermarket replacements, such as inaccurate fitment or differences in upholstery shade.

Using this cover is particularly beneficial during interior restoration when the goal is to preserve the character of the factory BMW Z4, as well as when preparing the car for sale, where a consistent look of the rear cabin influences the perception of the vehicle by a potential buyer.

If you are planning a comprehensive repair or upgrade of the rear interior zone in your BMW and need other components from the same group, such as covers, upholstery panels, or additional housings, check the available parts in the Other BMW category.

For users interested in comparing the characteristics of sports versions of cars with stock variants, including differences in engine, brake, and chassis construction, the article on our blog may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?.