BMW X3 Series E83 Rear Left N/S Window Frame Finisher Cover Trim Black Matt

BMW X3 Series E83 Rear Left N/S Window Frame Finisher Cover Trim Black Matt is a precisely fitted body component designed for the rear left door window of the BMW X3 E83 model. Thanks to its factory profile and accurate shape reproduction, it ensures tight window guidance and an aesthetic finish to the door edge. The black color of the trim allows for seamless integration into the side line of the body, maintaining the vehicle's original character.

Specifications and technical data

• SKU: 3427647
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3427647
• Substitutable numbers: 51353427647, 3427647, 51103333389, 3333389
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The BMW X3 Series E83 Rear Left N/S Window Frame Finisher Cover Trim is responsible for stable window guidance in the track and for protecting the door edge against external factors. Its placement in the rear left part of the body means this component works in direct contact with the window and the seal, which is why its correct fit is important for acoustic comfort and protecting the interior from moisture.

The black color of the trim is neutral and technically universal, allowing it to maintain the factory look of the side body without the need for additional painting. This is a practical solution when replacing a damaged or worn trim after bodywork repairs or window replacement.

Construction and fit for the BMW X3 E83

The component has been designed specifically for the geometry of the rear left door in the BMW X3 E83, which translates into:

• secure adhesion to the door edge and window,
• stable window guidance during raising and lowering,
• consistent connection with other trims and seals within the door area.

Thanks to a design consistent with solutions used by BMW, the trim works with the factory window lifting mechanism and existing door mounts. No modifications required simplifies installation and reduces service time.

Visual and functional characteristics

The black shade of the trim effectively masks minor dirt and is consistent with the typical window frame finish in the BMW X3 E83. This allows for a uniform look across the entire window line, even when replacing a single element. A properly selected trim also limits unwanted window vibrations and can reduce the risk of scratches on its edge.

The used nature of the part makes it an economical solution while remaining technically matched to the specific model. For many BMW X3 E83 users, this is a reasonable compromise between cost and maintaining the original body specifications.

Application in repairs and upgrades

The BMW X3 Series E83 Rear Left N/S Window Frame Finisher Cover Trim is suitable for both standard replacement of a damaged element after a collision and for comprehensive restoration of the side body. It can be used in:

• repairs after mechanical door damage,
• replacing elements due to corrosion or wear and tear,
• restoring the vehicle's factory appearance after painting.

If you are planning a comprehensive repair or upgrade of the side body area of your BMW and need other components from the same group, such as window trims, door edge covers, or additional window frame finishes, check out the available parts in the Other BMW category.

Technical support and additional knowledge

Selecting the right body components, such as window trims, is important not only for visual reasons but also for operational ones – it affects the tightness, acoustics, and durability of the entire door zone. If you are interested in a broader context of structural differences between standard and sports versions in modern cars, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate components depending on the version.