BMW X3 Series E83 Front Left N/S Side Panel Fender Wing Montegoblau Blue - A51

Visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

BMW X3 Series E83 Front Left N/S Side Panel Fender Wing Montegoblau Blue - A51 is an original body component designed for precise factory-standard installation. By maintaining the correct geometry and precise fitment to the body lines, it ensures a cohesive vehicle appearance and proper alignment with the hood, bumper, and doors. The Montegoblau Metallic paint finish allows for aesthetic integration with BMW's factory color palette.

Specifications and technical data

• SKU: 3405921-MTB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3405921
• Substitutable numbers: 41353405921, 3405921, 41353405923, 3405923
• Weight: 150
• Location on the vehicle: Front, Left
• Color: Montegoblau Metallic - A51
• Category: Body Side & Quarter Panels

Purpose and fitment for the BMW X3 E83

The presented fender is designed as a component for the front left side of the BMW X3 E83 series body. The construction corresponds to factory mounting points, which facilitates installation in place of the original panel without the need for structural modifications. The proper profiling of the edges ensures correct alignment with the headlight, bumper, and hood line, which is important for both the aesthetics and aerodynamics of the vehicle.

Technical and structural characteristics

The fender is a structural element of the outer bodywork, tasked with shielding the front wheel and defining the vehicle's side profile. The panel's geometry enables proper drainage of debris from the wheel arch area and compatibility with internal liners. The appropriately selected material thickness and mounting design contribute to the component's stability during operation, including at higher speeds and under varying body loads.

Montegoblau Metallic A51 color and visual aspect

The factory Montegoblau Metallic A51 shade is a distinctive metallic blue BMW paint that highlights the side profile of the X3 E83 and complements both chrome and black trim elements well. Using a panel in this color reduces the scope of paintwork required, especially if the vehicle retains its original paint. The metallic structure of the coating promotes even light distribution across the fender surface, which improves the visual consistency of the entire side of the body.

Condition, functionality, and service application

The item is sourced from disassembly and is offered as a used part, allowing for economical body repair while maintaining original BMW specifications. The fender is suitable for both local collision repairs and more extensive bodywork where preserving factory creases and panel gaps is essential. Thanks to the intact mounting structure, the panel can be used as a direct replacement for a damaged component in the front left wheel arch zone.

Application in the wheel arch and fender zone

The fender works in conjunction with wheel arch components, such as inner liners, bumper mounts, and body mounting points in the front part of the vehicle. Proper positioning of the panel is important for protecting the engine bay and the wheel area from water, mud, and small debris. Replacing a damaged fender with an original panel of the correct shape and color helps restore the proper geometry of the wheel zone and reduces the risk of accelerated corrosion in the wheel arch area.

If you are planning a comprehensive repair or upgrade of the wheel arch and side body area of your BMW and need other components from the same group, such as exterior panels, wheel arch liners, or additional side cladding, check out the available parts in the BMW Rear wheel arches and fenders category.