BMW E93 Hardtop Roof Shell Folding Top Centre F33 F83 M4 Yas Marina Blue - B68

Visual condition of the part

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

BMW E93 Hardtop Roof Shell Folding Top Centre F33 F83 M4 Yas Marina Blue in Yas Marina Blue Metallic (B68) is an original body component designed for BMW vehicles equipped with a retractable hardtop. This solution is intended for users who require a professional replacement of a damaged roof panel while maintaining factory geometry and color consistency with the vehicle body.

Specifications and technical data

• SKU: 7400555-YMB
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7400555
• Substitutable numbers: 41007400555, 7400555, 54377183297, 7183297, 54377251990, 7251990, BG
• Weight: 150
• Color: Yas Marina Blue Metallic - B68
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The described BMW E93 Hardtop Roof Shell Folding Top Centre F33 F83 M4 Yas Marina Blue covers a key section of the roof skin in the hardtop folding system of BMW 3 Series and M4 convertibles. This component works in conjunction with the folding mechanism, guide rails, and seals, ensuring:

• structural rigidity of the central roof section,
• proper guidance of segments during opening and closing,
• correct fitment with side windows and the rear roof section,
• preservation of the factory body line and aerodynamics.

By using an original roof shell, it is possible to restore the correct operation of the entire roof system following a collision, mechanical damage, or corrosion of the skin.

Color and paint matching

The component is finished in the factory color Yas Marina Blue Metallic – B68, characteristic of BMW sports models, including M versions. Using the original shade reduces the scope of paintwork required, and in many cases, allows for installation with minimal color correction, which speeds up the repair process and reduces costs.

The metallic paint coating ensures consistency with other body panels, and the texture and gloss are in accordance with BMW factory standards.

Technical characteristics and installation

The central hardtop roof shell has been designed as a component that works with the factory roof folding mechanism in the BMW E93, F33, and F83 M4. This means:

• retention of original mounting points and geometry,
• compatibility with stock hinges, actuators, and guide rails,
• the possibility of using existing seals and trim elements (provided their condition allows),
• adaptation for operation within a complex, multi-segment roof system.

The component is intended for professional installation at a specialized body and paint shop or a workshop dealing with the repair of BMW convertibles, which allows for maintaining proper alignment with other roof panels and the bodywork.

Condition, origin, and benefits of using a used part

The roof shell comes from original BMW production and is offered as a used part. In practice, this means maintaining factory material quality, the correct sheet metal thickness, and compliance with the manufacturer's technical documentation. Compared to aftermarket replacements or repairing a heavily deformed skin, using a complete shell often allows for a better final result and more stable fitment.

For users planning to optimize the costs of convertible roof repairs, choosing a used OEM part is a reasonable compromise between quality and budget. You can find more about how to effectively use the second-hand parts market in the article on saving on car service using used parts.

Compatibility and selecting the correct part

The central hardtop roof shell is linked to a specific OEM part number and has interchangeable numbers, which facilitates precise identification in BMW catalogs. Before purchasing, it is worth verifying compatibility with the numbers used in your vehicle, as well as the model year and body version, to ensure full compatibility with the roof folding mechanism.

If you are planning a comprehensive repair or upgrade of the roof area in your BMW and need other components from the same group, such as additional skin panels, seals, or structural elements, check the available parts in the Other BMW category.

For a comparison of the characteristics of sports constructions and technical solutions in the high-performance car segment, you can also read the article comparing Audi RS models with other versions, which discusses, among other things, the differences in body construction, suspension, and drivetrains.