BMW Z4 Series E89 Convertible Roadster Rear Left N/S Wheel Arch Trim Panel

BMW Z4 E89 Trunk Trim Panel Sound Deadening is a precisely fitted trunk upholstery element that enhances acoustic comfort and the aesthetics of the rear body section. With its factory-like shape and appropriate profile for the rear – left side, the panel ensures stable mounting and effective sound deadening of the trunk space in the BMW Z4 E89. This is a practical solution for users looking to restore the original appearance of the trunk interior after repairs or upgrades.

Specifications and technical data

• SKU: 9128469
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9128469
• Substitutable numbers: 51479128469 9128469, PK
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Element

The presented trunk trim panel is designed specifically for the BMW Z4 E89 model and belongs to the category of Window Seals and Trim Strips. Its purpose is to:

• reduce noise coming from the wheel arch and the rear body section,
• protect the sheet metal and installations located behind the trunk trim panel,
• visually organize the trunk space by covering structural body elements,
• maintain the consistency of the vehicle's factory interior finish.

Its placement on the vehicle on the rear, left side means the element is intended for installation on the left side of the rear trunk area, preserving the original geometry and mounting points.

Construction, Fit, and Installation

The trunk trim panel is manufactured as a dedicated element for a specific body version, which translates to a proper fit with other upholstery panels. The design includes:

• a shape tailored to the profile of the wheel arch and the side wall of the trunk,
• provision for factory clips and fasteners,
• a material structure that effectively dampens vibrations and sounds.

This ensures a tidy installation process – once the element is correctly seated, the trim panel forms a cohesive surface with the other panels, without undesirable gaps or material stress.

Product Characteristics and Practical Application

As part of the Window Seals and Trim Strips group, the panel complements the seals and trim strips in the rear of the vehicle. In practice, it:

• improves acoustic comfort while driving, especially at higher speeds,
• limits the ingress of small debris into the trunk upholstery,
• facilitates trunk organization by creating a uniform storage surface,
• restores the factory interior appearance after disassembly or bodywork repairs.

The product comes from the BMW range, which means adherence to original geometry and compatibility with factory mounting points in the Z4 E89 model.

Condition, Origin, and Benefits of Choosing a Used Part

The element is offered as a used part, representing a sensible compromise between cost and maintaining the original manufacturer's specifications. Choosing this option allows you to:

• reduce the cost of repairing or restoring the trunk interior,
• maintain material consistency with other upholstery elements,
• preserve the original finish characteristic of the BMW Z4 E89.

For many users, this is a practical alternative to new aftermarket parts, especially for accident repairs or vehicle restorations.

Compatibility within the BMW Range

The trunk trim panel has a dedicated OEM part number and interchangeable numbers, which facilitates verification of compatibility with specific vehicle configurations. Before purchasing, it is advisable to compare the markings with service documentation or the removed part to confirm full compatibility with your specific BMW Z4 E89 unit.

If you are planning a comprehensive restoration of the rear body section and require other parts from the Window Seals and Trim Strips category for this brand, check the available parts in the BMW Window Seals and Trim Strips category.

More About BMW Parts and the Application of Used Components

If you are interested in how individual BMW components – including body, interior, and trim elements – fit into the philosophy of standard and sports models, it is worth familiarizing yourself with an analysis of the differences between the M line and standard versions. More information on where used BMW components make sense and how they affect the car's character can be found in the article BMW M Performance: How Do BMW M Components Differ from Standard Ones?.