BMW X3 Series E83 E83N LCI Sound Insulation Floor Panel Rear Left N/S 3411319

BMW X3 Series E83 E83N LCI Sound Insulation Floor Panel Rear Left N/S is an original upholstery component from the Carpets, floor mats, trunk trays category, designed for installation in the rear left section of the vehicle body. Engineered by BMW as a factory solution, it ensures a precise fit to the floor structure and stable mounting, which effectively reduces noise and vibrations in the cabin.

Specifications and technical data

• SKU: 3411319
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3411319
• Substitutable numbers: 51473411319, 3411319
• Location on the vehicle: Rear, Left
• Category: Floor Mats, Carpets & Boot Liners

Purpose and function of the component

The presented insulation is a dedicated soundproofing panel mounted in the rear left floor area of the BMW X3 E83. Its purpose is to reduce road noise, dampen vibrations transmitted from the suspension, and improve the acoustic comfort for rear-seat passengers. Thanks to its factory profiling, the component adheres precisely to the floor contours, which minimizes resonance and unwanted noise.

Its placement in the rear section of the vehicle body also means the insulation supports thermal protection, stabilizing the temperature in the cabin and separating it from the conditions underneath the vehicle floor.

Construction and fitment for the BMW X3 E83

As a component from the Carpets, floor mats, trunk trays category, the insulation has been developed specifically for the floor geometry of the BMW X3 E83. Properly shaped edges and cutouts for factory mounting points allow for installation without modifications, maintaining the original interior lines.

The factory design ensures:

• consistent fitment with other floor upholstery elements,
• stable positioning without shifting during use,
• preservation of the factory BMW interior finish standard.

Characteristics of the used OEM component

The offered insulation is an original BMW component in used condition, meaning it has been removed from a vehicle and retains the manufacturer's factory specifications. In practice, this translates to proper fitment to the body structure, compatibility with factory mounting points, and predictable performance during operation.

Compared to aftermarket replacements, a used OEM component allows you to maintain the structural and acoustic integrity of the vehicle, which is particularly important in premium cars such as the BMW X3 E83.

Application in repairs and interior upgrades

The BMW X3 Series E83 E83N LCI Sound Insulation Floor Panel Rear Left N/S is suitable for both post-accident repairs and comprehensive interior restoration when it is necessary to replace damaged or worn soundproofing elements. Replacing the insulation in the rear left floor area is recommended, among other things, after interior flooding, bodywork intervention in this area, or in the case of visible mechanical damage to the old panel.

If you are planning a comprehensive repair or upgrade of the floor area in your BMW and need other parts from the same group, such as carpets, floor mats, or additional soundproofing panels, check the available parts in the BMW Carpets, floor mats, trunk trays category.

Why choose used OEM insulation

Choosing used, original floor soundproofing is a reasonable compromise between cost and quality. You maintain factory fitment and acoustic parameters while limiting expenses related to repairing or refreshing the interior. For many owners of premium cars, this is currently the preferred solution, allowing the vehicle to be kept in good technical condition without sacrificing quality.

If you want to better understand why used OEM components for premium brands are becoming an increasingly popular choice, it is worth reading the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.

Summary

BMW X3 Series E83 E83N LCI Sound Insulation Floor Panel Rear Left N/S is a practical, factory soundproofing element designed for the rear left floor area, which helps maintain acoustic and thermal comfort in the interior. Thanks to its original OEM design, it ensures a proper fit for the BMW X3 E83, facilitates installation, and allows you to restore the vehicle's interior functionality in accordance with the manufacturer's specifications.