BMW G20 G21 Door Rear Right Door O/S Mineral Grau Metallic - B39

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. BMW G20 G21 Door Rear Right Door O/S Mineral Grau Metallic - B39 is an original body component from the Doors and door panels category, designed for installation on the rear right side of the vehicle. Finished in the factory Mineral Grau Metallic - B39 color, it allows for a visually and technically consistent replacement of a damaged panel without the need to repaint the entire side section.

Specifications and technical data

• SKU: 7482278-MG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7482278
• Substitutable numbers: 7482278, 41517482278
• Location on the vehicle: Rear, Right
• Part type: Door
• Color: Mineral Grau Metallic - B39
• Category: Doors & Door Skins

Purpose and fitment

The presented item is a rear right door dedicated to the BMW G20/G21 series, designed as a structural body component. Its placement in the rear passenger-side area ensures full compatibility with factory hinge, lock, and seal mounting points, facilitating precise installation and proper alignment with the fender and rocker panel. The original geometry of the panel helps maintain the vehicle's side lines, and the properly shaped edges work with factory windows, trim, and seals, minimizing the risk of leaks and unwanted wind noise while driving.

Color and paint layer

The door is finished in Mineral Grau Metallic - B39, characteristic of many BMW G20/G21 configurations. The metallic paint coating provides a modern, understated look and blends well with both light and dark body elements and styling packages. Selecting a component in the same paint code often allows for minimizing the scope of paintwork, which is beneficial both in terms of cost and maintaining the original coating structure on adjacent panels.

Structural characteristics

As a component from the Doors and door panels category, the panel serves both an aesthetic and structural function. The construction provided by the manufacturer includes:

• appropriate torsional rigidity in the side section of the body,
• adaptation for mounting factory hinges and locks,
• maintenance of the correct door opening geometry for the window and seals,
• compatibility with original trim and finishing elements. This configuration promotes the proper operation of opening and closing mechanisms and the long-term stability of the door.

Condition and service application

The item is in used condition, making it an attractive solution for post-accident repairs, bodywork corrections, or replacing damaged doors in daily-driven vehicles. Choosing an original used part often provides a favorable compromise between repair costs and maintaining factory-quality fitment. The rear right door in this version is suitable for both local collision repairs and comprehensive reconstruction of the side body section, where maintaining the correct geometry and BMW design lines is crucial.

Expanding BMW door repairs

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other elements from the same group, such as skins, frames, or additional panels, check out the available parts in the BMW Doors and door panels category.

Technical support and service knowledge

When planning broader service work, it is worth using reliable sources of information regarding component selection and assessing their condition before installation. For other vehicle components, such as the air conditioning system, a guide describing when it is worth using an original used component instead of a new aftermarket replacement may be helpful – more information can be found in the article on selecting a used OEM A/C compressor.