BMW 1 3 Series F20 F21 F30 LCI Rear Floor Sound Insulation Cover 8632114

BMW 1 3 Series F20 F21 F30 LCI Rear Floor Sound Insulation Cover is an original BMW body component designed for installation in the rear floor section of the vehicle. It effectively reduces noise transmission from the chassis into the cabin, improving acoustic comfort and the overall driving experience. This is a practical solution for users looking to restore factory-standard soundproofing after repairs or modifications to the rear area of the vehicle.

Specifications and technical data

• SKU: 8632114
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8632114
• Substitutable numbers: 24008632114, 8632114
• Location on the vehicle: Rear
• Category: Other Exterior Parts & Accessories

Purpose and function of the rear floor sound insulation cover

The described cover is a component of the rear floor, responsible for dampening vibrations and noise generated by the suspension, wheels, and drivetrain components. Installed in the rear area, it acts as an acoustic barrier between the chassis and the interior, which translates into a more comfortable, quieter ride – especially at higher speeds and on uneven road surfaces.

Proper fitment for BMW F20, F21, and F30 LCI models ensures consistency with the factory body design, without the need for modifications or the use of universal replacements.

Construction and BMW fitment

The rear floor sound insulation cover is designed as an OEM part, meaning its geometry, mounting points, and shape comply with the vehicle manufacturer's requirements. As a result, it:

• ensures stable mounting in the rear floor area,
• does not interfere with suspension or exhaust system components,
• maintains appropriate rigidity and resistance to typical operational loads.

Such fitment helps maintain the factory level of soundproofing and reduces the risk of unwanted resonance or rattling resulting from improper installation.

Characteristics of the used component

The presented cover is a used part, which in practice means it has been removed from a vehicle and may show signs of normal wear. For many users, this is a reasonable compromise between cost and functionality – especially in the case of body and soundproofing components, where correct fitment and the preservation of noise-dampening functions are key.

Choosing an original, used component allows you to maintain compatibility with the BMW design while reducing expenses compared to new parts.

Benefits of installing the rear sound insulation cover

Using the rear floor sound insulation cover in the BMW F20, F21, and F30 LCI series provides a number of practical benefits:

• Improved acoustic comfort – reduction of road noise, suspension operation, and chassis noise in the rear of the cabin.
• Better protection of the floor structure against dirt and small road debris.
• Restoration of the factory finish standard after body repairs or replacement of chassis components.
• Aesthetic finish of the rear floor area from the chassis side.

Compatibility and part selection

To correctly select the rear floor sound insulation cover for a specific BMW, it is worth verifying compatibility with the body version and the vehicle's production year. The product has a dedicated OEM part number and interchangeable numbers, which facilitates matching it to a specific car configuration and minimizes the risk of purchasing an incorrect component.

In case of doubt during selection, it is helpful to compare the shape and mounting points with the currently installed cover or consult a technical advisor.

If you are planning a comprehensive repair or upgrade of the rear chassis area in your BMW and need other components from the same group, such as covers, soundproofing, or additional protective panels, check out the available parts in the Other BMW category.

For a comparison of the characteristics of sports drivetrains and chassis, as well as a better understanding of the structural differences between standard and sports versions, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which helps in consciously planning future modifications and selecting spare parts.