BMW X3 Series E83 Luggage Compartment Indentation left N/S Empty Housing 7049034

The BMW E83 X3 Trunk Liner Styrofoam Cover is a practical cargo space accessory, specifically designed for the BMW X3 E83 model. Its styrofoam construction helps organize the trunk, securely hold accessories, and protect components located beneath the trunk floor, while providing a functional and aesthetic finish. Thanks to its model-specific fit, you achieve secure fitting and predictable performance in everyday use.

Specifications and technical data

• SKU: 3454821
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51473454821
• Substitutable numbers: 51473454821, 3454821, 51477049034, 7049034, 51473451093, 3451093, 51473428943, 3428943, trunk, boot
• Location on the vehicle: Left
• Category: Other Interior Parts & Accessories

Purpose and Fit for BMW X3 E83

This trunk liner has been developed with the BMW X3 E83 body structure in mind, ensuring a proper fit for the trunk floor and side panels. The element is mounted on the left side, making it perfectly compatible with the factory layout of compartments and mounting points in this area. Its precisely contoured shape facilitates easy installation and removal during maintenance or cleaning of the cargo space.

Construction and Function of the Trunk Liner

The styrofoam cover serves several important technical functions in the BMW X3 E83 trunk:

• organizes the space under the trunk floor, facilitating the placement of service accessories and tools,
• creates an additional protective layer for items located in the lower part of the trunk,
• helps reduce the transmission of vibrations and noise from the chassis into the vehicle's interior,
• stabilizes small items, reducing their movement while driving.

Styrofoam is a lightweight yet sufficiently rigid material to maintain its shape and function under typical operating conditions. This ensures the cover does not add unnecessary weight to the vehicle while supporting trunk organization.

Characteristics of a Used Part

The trunk liner is part of the Other category, sourced from a dismantled vehicle. This means it is an original component, designed to fit the factory mounting points in the BMW X3 E83. A used component allows for an economical restoration of the trunk's complete setup, especially if the original liner was mechanically damaged or lost during previous repairs.

Choosing an original, used liner is beneficial wherever maintaining the factory geometry of the compartments and compatibility with other trunk trim elements is important, without the need to adapt universal aftermarket parts.

Benefits of Installing the Styrofoam Trunk Liner

Installing this liner in a BMW X3 E83 offers tangible user benefits:

• Improved Space Organization – a tidy place for accessories and tools under the trunk floor.
• Protection for Underfloor Components – an additional barrier against accidental impacts from transported cargo.
• Enhanced Acoustic Comfort – reduced noise and vibrations transmitted from the rear of the vehicle.
• Visual Cohesion of the Trunk – a complete cargo space finish consistent with BMW's design.

For users who pay attention to the condition and functionality of their vehicle's interior, installing this liner is a simple way to restore the trunk's full usability.

Related Products and Technical Knowledge

If you are looking for other items in the Other category dedicated to this brand, check out our offer for other BMW accessories and equipment, which will help complete or refresh your car's interior.

To compare the characteristics of sports models and their technical solutions with other versions, it's worth reading the blog article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses differences in engine, brake, and chassis construction, and the impact of appropriately selected parts on vehicle handling.

Summary

The BMW E83 X3 Trunk Liner Styrofoam Cover is a practical, dedicated component for the cargo area, mounted on the left side of the trunk. Its model-specific fit for the BMW ensures organized compartments, protection for underfloor components, and a cohesive trunk appearance, serving as a functional addition to the vehicle's equipment.