BMW X3 Series E83 E83N LCI Sound Insulation Trunk Left N/S 7049055 51477049055

The BMW e83 X3 Left Trunk Sound Insulation is an original body part designed for installation on the left side of the trunk space in the BMW X3 e83 model. Engineered to fit the specific body construction, this trunk sound insulation helps reduce noise, improve acoustic comfort, and tidy up the interior finish. With its factory fit, it's a practical solution for accident repairs, interior restoration, or completing missing components.

Specifications and technical data

• SKU: 7049055
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7049055
• Substitutable numbers: 51477049055, 7049055
• Location on the vehicle: Left
• Category: Other Interior Parts & Accessories

Intended Use and Fitment for BMW X3 e83

The presented left trunk sound insulation has been specifically developed for the trunk construction of the BMW X3 e83. This means that:

• its shape and profile are adapted to the factory body contours on the left side,
• appropriate mounting points are provided,
• the part works in conjunction with original upholstery panels and trunk liners.

This precise fit facilitates installation and ensures a cohesive interior appearance, eliminating the need for modifications or adjustments of universal alternatives.

Acoustic Function and Interior Protection

The trunk insulation in the BMW X3 e83 serves several important technical functions:

• it limits the transmission of noise from the wheel arch and underbody areas into the cabin,
• it stabilizes the upholstery on the left side of the trunk,
• it helps protect the body sheet metal from accidental impacts from transported items,
• it contributes to a more organized and complete appearance of the cargo area.

As a result, the driver and passengers experience enhanced acoustic comfort, and the trunk remains better protected during daily use.

Installation Characteristics and Part Condition

This component is designed for installation on the left side of the trunk, in accordance with the factory interior layout of the BMW X3 e83. As a used part, this insulation comes from a dismantled vehicle and is a good choice for:

• repairs after mechanical damage to the trunk area,
• replacing missing components after previous modifications,
• restoring the original interior configuration of the vehicle.

Using an original component ensures material and structural consistency with other interior elements, which is important for both aesthetic and functional reasons.

Benefits of Using Original BMW Insulation

Choosing the factory trunk insulation for the BMW X3 e83 offers a range of practical advantages:

• guaranteed fit – the part is designed for a specific model, without the compromises found in universal solutions,
• cohesive interior appearance – texture and shape match the other trunk panels,
• stable mounting – utilizes original mounting points,
• maintained acoustic comfort – preserves the factory sound deadening level on the left side.

For users who prioritize technically correct repairs and wish to maintain the character of their BMW X3 e83, using original insulation is a particularly beneficial solution.

Related Parts and Technical Knowledge

If you are completing your trunk interior or looking for other body parts from this brand, including covers, fasteners, or trim panels, check the available parts in the Other BMW category.

When planning more extensive service work or vehicle upgrades, it's also worthwhile to expand your knowledge about the construction and specifics of VAG group's sports models. In this context, the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis? can be helpful, discussing differences in engine, brake, and chassis construction, and illustrating how the choice of appropriate parts affects a car's character.

If you are also interested in the technical aspects of BMW powertrains and want to better understand how the selection of wear parts translates to durability and running costs, take a look at the comparative analysis in the article BMW N47 vs. M57 / M57N / M57N2 – A Ranking of Legendary Diesels, which describes the structural and operational differences of popular engines from this brand.