BMW 3 Series F31 F31N LCI Sound Insulation Trunk Rear Left N/S 7234601

The BMW F31 F31N LCI Sound Insulation Mat Trunk Side Panel Left Rear is an original soundproofing element for the cargo area, specifically designed for the 3 Series Touring body style. With a precise fit for the left rear trunk side panel, it ensures secure mounting, effective noise damping, and an aesthetic interior finish. This is a practical solution for users who want to maintain acoustic comfort and the cohesive look of the factory trim.

Specifications and technical data

• SKU: 7234601
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7234601
• Substitutable numbers: 7234601, 51477234601
• Location on the vehicle: Rear, Left
• Category: Other Interior Parts & Accessories

Purpose and Function in BMW 3 Series F31/F31N LCI

The presented sound insulation mat is intended for installation in the rear left part of the trunk in the BMW 3 Series F31/F31N LCI Touring body style. This component is responsible for:

• damping noise coming from the wheel arch and underbody area,
• reducing resonances within the cargo space,
• protecting the trunk's side panel from minor mechanical damage,
• maintaining a cohesive, factory-installed interior in the rear of the vehicle.

Thanks to its dedicated shape, the mat works with the original mounting points, which facilitates installation and allows for the preservation of the factory soundproofing standard in daily use.

Construction and Fit for the Rear Left Area

The insulation is designed for a specific placement on the vehicle – rear, left side. The mat's profile matches the geometry of the trunk's side panel, ensuring a precise fit to the panel after installation without requiring any modifications.

This precise fit allows for:

• maintaining full trunk functionality (folding rear seats, access to service compartments),
• avoiding unwanted looseness and rattles while driving,
• easy integration with other trunk upholstery elements.

Its original BMW origin promotes material and color consistency with other interior trim components.

Characteristics of a Used Part

The offered sound insulation mat is a used part, meaning it comes from a dismantled vehicle and may show typical signs of wear that do not affect its sound-dampening function. This is a particularly beneficial solution for accident repairs, replacing missing upholstery parts, or restoring a car to a near-factory condition without the need to invest in new parts.

Choosing an original, used insulation part ensures proper fit to the body structure while maintaining a reasonable cost of service.

Application in Service and Restoration

The BMW F31 F31N LCI Sound Insulation Mat Trunk Side Panel Left Rear is suitable for both professional body shops and for users who are independently sourcing missing interior components. This part is particularly useful in situations where:

• the original mat has been damaged or deformed due to a collision,
• the previous owner removed part of the trunk upholstery,
• increased noise is noticeable from the rear left wheel arch area,
• an interior restoration is being carried out with an emphasis on acoustic comfort.

By preserving the original geometry of the part, the correct level of soundproofing can be restored without altering the body structure.

Related Parts and Further Information

If you are planning a comprehensive repair or upgrade of the trunk area in your BMW and need other parts from the same group, such as additional soundproofing mats, side upholstery covers, or small fasteners, check the available parts in the Other BMW category.

To compare technical solutions used in sports models from other brands, including chassis and drivetrain designs, it is worth reading an article discussing the differences between high-performance and standard versions – you can find it in the material Audi RS vs. Other Models – What's Under the Hood and Chassis?, which illustrates how premium manufacturers design key components of their vehicles.