Door Front BMW G20 G21 Left Door N/S Portimao Blue Metallic - C31

Listing details and visual condition of the part

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

The offer applies to the bare door – without handle, window, lock, trims, or any other accessories.

There is an option to purchase a complete door for an additional fee of 80 GBP.

Door Front BMW G20 G21 Left Door N/S Portimao Blue Metallic - C31 is an original body component from the Doors and door panels group, designed for professional repair of the side bodywork. This is a solution for users who want to maintain factory geometry, a consistent paint shade, and the high build quality characteristic of the BMW brand.

Specifications and technical data

• SKU: 7482275-POR
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7482275
• Substitutable numbers: 7482275, 41517482275
• Location on the vehicle: Front, Left
• Color: Portimao Blue Metallic - C31
• Category: Doors & Door Skins

Purpose and body fitment

The offered item is a complete front left door, prepared for installation in 3 Series G20/G21 generation models. Its placement in the front area on the driver's side ensures proper fitment to the body lines, panel gaps, and factory hinge and lock mounting points. Thanks to the preservation of the original door structure, precise alignment with the fender, rocker panel, and pillar is possible, which facilitates the setting of even gaps and reduces the need for additional bodywork.

Portimao Blue Metallic C31 color

The door is finished in the factory color Portimao Blue Metallic – C31, characteristic of modern BMW models. This metallic shade of blue emphasizes the dynamic body line and works well with both M styling packages and standard equipment versions. Retaining the original paint often allows for minimizing the scope of painting, which shortens repair time and reduces the risk of shade differences between individual body panels.

Technical characteristics and installation

The door belongs to the Doors and door panels group, meaning it is designed as a load-bearing element of the side body, working with factory reinforcements, seals, and fittings. The construction intended for installation on the front left side ensures compatibility with stock hinges, locks, and window guides. Thanks to the preservation of the original mounting points, it is possible to transfer equipment from the damaged door (window, wiring harness, lock, upholstery) without the need for modifications.

The item comes from a used vehicle, which is beneficial from a fitment perspective – the door already has "settled" geometry from real-world road conditions. This facilitates the adjustment of its position relative to adjacent panels and allows for faster achievement of proper closing and sealing.

Practical application and benefits of choosing a used part

Choosing original used BMW doors for body repair allows you to:

• maintain the factory side line and characteristic body creases,
• reduce the scope of body filler and straightening compared to repairing a heavily deformed element,
• maintain color consistency thanks to the factory Portimao Blue Metallic C31 paint,
• minimize the risk of fitment issues typical of non-original aftermarket replacements.

This approach is particularly important for premium class cars, where both aesthetics and the vehicle's resale value matter. To better understand the impact of using original body parts on the subsequent valuation of the car, it is worth reading the article Original used parts vs. resale value – how not to lose money?.

BMW doors and door panels – expansion and modernization of the side zone

If you are planning a comprehensive repair or modernization of the side zone in your BMW and need other elements from the same group, such as door skins, reinforcements, or outer panels, check the available parts in the BMW Doors and door panels category.

Summary

Door Front BMW G20 G21 Left Door N/S Portimao Blue Metallic - C31 is a functional solution for users who want to restore the factory look and body geometry after a collision or mechanical damage. The original construction, proper placement on the vehicle, and preserved metallic paint allow for shorter repair times, reduced costs of additional work, and a consistent, aesthetic appearance of the side bodywork.