BMW 3 4 E93 F33 1 Folding Top Hardtop Roof Shell Front Black Sapphire - 475

Visual condition of the part

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

BMW 3 4 E93 F33 1 Folding Top Hardtop Roof Shell Front Black Sapphire in Black Sapphire Metallic is an original body component designed for BMW vehicles with a retractable hardtop. The part ensures a precise fit to the roof structure, maintaining the factory body lines and color consistency with paint code 475. This is an ideal solution for users seeking a technically compatible, used component for professional repair or reconstruction of the folding roof.

Specifications and technical data

• SKU: 7400554-BS1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7400554
• Substitutable numbers: 41007400554, 7400554, 54377183295, 7183295, BG
• Weight: 150
• Location on the vehicle: Front
• Color: Black Sapphire Metallic - 475
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The described shell serves as the front segment of the folding hardtop in BMW 3 and 4 series convertible models (E93, F33). It is a key panel responsible for maintaining the correct roof geometry, sealing, and the stability of the entire structure while driving, both in the closed position and during the folding process.

Its placement in the front part of the vehicle allows for proper connection with the windshield, seals, and guide mechanism. This makes it possible to maintain adequate body rigidity and reduce noise and vibrations in the cabin.

Color and paint matching

The component is finished in the factory Black Sapphire Metallic color (paint code 475), characteristic of many premium BMW configurations. The metallic paint coating provides depth of color and visual consistency with other body panels in the same color.

For users who own a vehicle in this shade, using this shell allows for reducing or completely eliminating the need for repainting, which shortens repair time and reduces costs. In the case of other body colors, the panel can serve as a solid base for repainting according to the individual vehicle specification.

Technical and assembly aspects

The BMW 3 4 E93 F33 1 Folding Top Hardtop Roof Shell Front Black Sapphire is structurally prepared to work with the factory roof mechanism in the BMW E93 and F33. Appropriate mounting points and edge geometry allow for installation based on the manufacturer's original solutions, without the need for interference with the body structure.

The significant mass of the element helps maintain the proper rigidity and stability of the roof structure, which affects driving comfort and the operation of the folding mechanism. During installation, it is recommended to use professional service facilities, including appropriate tools for adjusting the panel's position relative to the other roof segments and the windshield.

Condition and use in repairs

The product is a used original BMW component, which means it comes from disassembly and was previously used in a vehicle. This type of part is particularly useful for accident repairs, damage to the roof mechanism, or replacing the shell after paint or body damage.

Using an original folding roof shell allows for maintaining factory fitment, compatibility with seals, and the folding mechanism, which is essential for the durability and proper operation of the entire roof system in a BMW convertible.

Integration with other BMW body components

The front roof panel works with other hardtop segments, the windshield frame, seals, and guide elements. Proper adjustment and alignment of this component affect:

• cabin tightness during rain and pressure washing,
• noise levels at higher speeds,
• proper operation of the roof folding and unfolding mechanism,
• aesthetics of the body lines in the closed configuration.

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

To better understand the structural differences between sports versions and standard models, as well as the importance of properly selected body components and accompanying systems, it is worth reading the article on our blog: Audi RS vs other models – what is hidden under the hood and chassis?.