BMW E83 Front Left N/S Side Panel Trim Cover Black Sapphire 3405079

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E83 Front Left N/S Side Panel Trim Cover Black Sapphire is an original body component designed for installation on the left side of the vehicle's front section. It provides an aesthetic finish to the side panel while protecting sensitive areas of the bodywork from mechanical damage. Finished in Black Sapphire Metallic - 475, the cover blends harmoniously with the factory BMW body paint, allowing you to maintain a consistent look for your vehicle.

Specifications and technical data

• SKU: 0303039-BS1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3405079
• Substitutable numbers: 51770303039, 0303039, 51773405079, 3405079
• Location on the vehicle: Front, Left
• Color: Black Sapphire Metallic - 475
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The front left side panel trim cover for the BMW E83 is responsible for the stable closure of the side body zone in the front part of the vehicle. When properly installed, the component:

• masks structural edges and sheet metal joints,
• limits the ingress of dirt and moisture around mounting points,
• supports the maintenance of proper geometry for adjacent panels,
• improves the visual continuity of the car's side line.

Its placement in the front zone on the left side means the cover operates in an area particularly exposed to water, mud, and minor impacts, which is why its proper selection is important for both the appearance and durability of the bodywork.

Color and paint matching

The applied Black Sapphire Metallic - 475 color is a distinctive, metallic shade of black used as a factory standard on many BMW units. Thanks to this, the component:

• maintains color consistency with the original body paint,
• reduces the need for additional painting when replacing parts on a car with the same color code,
• allows for an aesthetic repair following mechanical damage or corrosion in the side panel area.

For users who care about the visual aspect of their vehicle, this means the possibility of performing a repair that is both technically correct and visually orderly.

Installation characteristics

The cover has been designed as a component dedicated to BMW, which translates into precise fitment to the body geometry. Appropriately selected mounting points and a shape consistent with the factory body line facilitate installation in the front zone on the left side of the vehicle. In practice, this means:

• the ability to use factory mounting points,
• a reduction in the need for additional bodywork modifications,
• stable seating of the component after proper installation.

The product is suitable for both post-accident repairs and for restoring the bodywork after previous non-original modifications.

Condition and service application

The item is in used condition, which allows for an economical repair while maintaining original BMW specifications. This type of part is particularly useful in situations where:

• it is necessary to replace a damaged side panel cover after a collision,
• defects or corrosion in the side body zone are being repaired,
• the factory appearance of the vehicle is being restored after previous interventions.

For body and paint shops, this means the ability to use a component consistent with the BMW E83 construction, without the need to adapt universal replacements.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the side zone in your BMW and need other elements from the same group, such as covers, panels, or additional trims, check the available parts in the Other BMW category.

When planning broader service work, it is also worth expanding your knowledge about the structural differences between individual model lines and high-performance versions – the article describing the characteristics of sports RS versions compared to standard models may be helpful, available at the link Audi RS vs other models – what is hidden under the hood and chassis?, which covers, among other things, issues related to the engine, brakes, and chassis in the context of selecting spare parts.