BMW Z4 E89 Rear Folding Top Hardtop Roof Shell Window Mineralgrau Grey - B39

BMW E89 Z4 Rear Roof Section Mineral Grey B39 is an original body part designed for the rear section of the BMW Z4 E89 roadster roof. Finished in the factory color Mineral Grey Metallic – B39, it allows for a visually and technically consistent replacement of a damaged roof section without altering the paint scheme. This is a practical solution for body and paint shops, as well as owners who prioritize precise restoration of body lines.

Specifications and technical data

• SKU: 7222078-MG
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7222078
• Substitutable numbers: 41007222078, 7222078, BG
• Location on the vehicle: Rear
• Color: Mineral Grau Metallic - B39
• Category: Other Exterior Parts & Accessories

Intended Use and Fitment for BMW Z4 E89

The presented rear roof section is specifically designed for the BMW Z4 E89 generation, intended for installation in the rear body area. The original panel geometry ensures proper roof line management, correct alignment with adjacent components, and maintenance of factory-set mounting gaps. This enables the restoration of original structural rigidity in the rear roof area after a collision or corrosion.

Mineral Grey Metallic B39 Color – Paint Shop Benefits

The part is finished in Mineral Grey Metallic – B39, a color used in BMW production. For a workshop, this means the ability to:

• limit the scope of painting work for minor repairs,
• achieve easier shade matching for full repaints,
• maintain a consistent body aesthetic for vehicles already painted in this color.

The metallic paint structure contributes to an aesthetically pleasing finish, and the correct selection of the B39 shade facilitates achieving a uniform surface without visible color transitions.

Installation Characteristics of the Rear Roof Section

The rear roof section for the BMW Z4 E89 is designed for installation in the rear body section, replacing the factory panel. Proper preparation of mounting points and maintaining the original roof contour allows for:

• precise positioning of the part relative to the trunk lid and fenders,
• correct interaction with the convertible roof mechanism (on the body structure side),
• restoration of the factory-set character lines typical for the Z4 E89.

Due to the specific construction of a roadster, the correct fitment of the rear roof section is crucial for both aesthetics and maintaining proper body geometry.

Used Condition and Service Application

This part comes from the used BMW parts segment, making it an attractive cost-effective alternative to new body panels. This type of component is particularly useful for:

• post-accident repairs to the rear roof section,
• local repairs of corrosion or mechanical damage,
• vehicle restorations where maintaining original structural solutions is key.

Choosing an original, used panel allows for the preservation of factory material characteristics and shape, which simplifies bodywork and final part fitting.

Expanding Knowledge and Selecting Other Components

If you are planning a comprehensive repair or upgrade of the body area on your BMW and require other parts from the same group, such as cladding panels, structural fragments, or additional mounting elements, check the available parts in the Other BMW category.

To better understand the structural differences between standard and sport versions, and the impact of body and chassis modifications on a car's character, it is worth reading the guide Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which illustrates how premium manufacturers design key vehicle components.