BMW E93 Hardtop Roof Shell Folding Top Centre F33 Titansilber Silver - 354

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 Titansilber Silver is a central folding hardtop panel designed for BMW 3 Series convertibles, finished in the factory Titansilber Metallic color. This component is a key part of the hardtop structure, responsible for the proper guidance and alignment of the roof segments during opening and closing. This used OEM component is a solution that allows for a technically correct body repair without interfering with the geometry of the entire folding roof mechanism.

Specifications and technical data

• SKU: 7400555-TS1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7400555
• Substitutable numbers: 41007400555, 7400555, 54377183297, 7183297, 54377251990, 7251990
• Weight: 150
• Color: Titansilber Metallic - 354
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The central hardtop shell in the BMW 3 Series convertible is responsible for the stable connection of the front and rear parts of the folding hardtop. A properly selected panel ensures:

• correct guidance of the segments during the operation of the folding roof mechanism,
• maintenance of the structural rigidity of the body in the closed position,
• proper surface preparation for further bodywork and painting processes.

By maintaining the original geometry, such a component allows for precise adjustment of the gaps between panels and reduces the risk of stress in the roof system.

Color and visual fitment

The presented hardtop shell is in Titansilber Metallic – 354, which is one of the typical shades of silver paint used by BMW. For many users, this means:

• easier matching to the vehicle's existing paint coating,
• the possibility of limiting the scope of painting to local touch-ups,
• a consistent, factory look of the body after repair.

Even if a full paint job is planned, the original base color facilitates the painter's work and allows for maintaining the proper structure of primers and finishing layers.

Technical characteristics and installation

The central hardtop panel is a component of significant weight and dimensions, which requires proper preparation for installation. In practice, this means the necessity of using professional support points and precise alignment relative to the other roof segments and the body.

As an original BMW part, the hardtop shell features:

• factory mounting points to the frame and the folding roof mechanism,
• locations provided by the manufacturer for seals and finishing elements,
• a design compliant with safety and body rigidity requirements.

The used OEM component is particularly beneficial for post-accident repairs, where maintaining the original geometry and compatibility with the existing mechanism is crucial.

Used condition and use in repairs

A used component represents a reasonable compromise between costs and maintaining original structural quality. In practice, this allows for:

• restoring the factory roof line after mechanical or collision damage,
• limiting the scope of interference with the body structure,
• using parts with parameters consistent with the manufacturer's design.

Before installation, standard bodywork verification and surface preparation for painting are recommended, in accordance with procedures used for OEM body parts.

Compatibility and reference numbers

The central hardtop shell for the BMW 3 Series convertible has been designed as an original element, linked to a specific part number and a set of interchangeable numbers. The presence of multiple reference numbers facilitates matching the component to a specific body version and vehicle year, as well as verifying compatibility in the manufacturer's catalogs or parts selection systems.

In case of doubts regarding compatibility, it is worth using the manufacturer's markings and vehicle data to ensure a perfect fit for a specific BMW unit.

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

For a comparison of technical solutions used in sports versions of other brands, including differences in body construction, drivetrains, and braking systems, an article describing the specifics of RS models may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you are considering using original, used body parts for your car's repair and want to better understand their advantages over replacements, it is worth reading the guide on choosing bodywork: Post-accident repair of your car: why are used body parts a better choice than replacements?.