BMW 3 4 E93 F33 1 Folding Top Hardtop Roof Shell Front Spacegrau Grau - A52

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 Spacegrau Grau - A52 is the front section of the folding hardtop roof, designed for BMW 3 and 4 Series convertible models. This component, finished in the original Spacegrau Metallic - A52 color, allows for a technically correct replacement of a damaged front roof panel while maintaining factory geometry and consistent body styling. It is an ideal solution for users who expect a robust construction and precise fitment for the folding hardtop mechanism.

Specifications and technical data

• SKU: 7400554-SCG1
• 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: Spacegrau Metallic - A52
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The front section of the folding hardtop is responsible for the critical connection between the windshield and the remaining segments of the hardtop. In BMW 3 and 4 Series convertible models, this element operates within the roof's kinematic system, which must maintain stability, proper rigidity, and correct guidance relative to the hinges and actuators during opening and closing.

Replacement of this panel is recommended in the event of:

• mechanical damage to the front part of the roof (dents, cracks in the shell),
• problems with the correct closing or positioning of the folding roof,
• post-accident repairs in the front area of the convertible body.

Color and visual fitment

The offered component is finished in the factory Spacegrau Metallic - A52 color, characteristic of many BMW configurations. This allows for a reduction in the scope of paintwork or simplifies the process, especially if the vehicle has the same paint code.

The front hardtop section in this shade provides:

• visual consistency with the remaining roof panels and the bodywork,
• an aesthetic appearance of the body after repair,
• easier matching to factory trim elements.

Vehicle placement and assembly aspects

The component is designed for installation in the front zone of the folding roof, in the area above the windshield. Proper placement on the vehicle is important for both weather sealing and correct interaction with the folding mechanism.

During installation, it is worth paying attention to:

• precise alignment of the panel relative to the windshield frame and other roof segments,
• checking gaps and joint lines after closing the roof,
• correct tightening of mounting points in accordance with the BMW service procedure.

Due to the nature of the folding roof construction, installation in a workshop with experience in BMW convertible bodies is recommended to ensure the entire system operates correctly.

Characteristics of the used component

The offered front hardtop section comes from disassembly and is a used component. Such parts are frequently chosen for convertible body repairs because they allow for the preservation of the original construction and material while optimizing costs compared to new panels.

A used folding roof panel is a good solution when the priority is:

• maintaining factory geometry and compatibility with the roof mechanism,
• limiting the scope of body and paint work,
• maintaining the original character of the BMW convertible body.

Selection support and related parts

Before purchasing, it is worth verifying the compatibility of the element with the specific body version and vehicle model year using the manufacturer's markings and catalog data. If necessary, you can also compare the panel construction with the currently installed roof, paying attention to mounting points and edge profiles.

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, seals, or mounting hardware, check the available parts in the Other BMW category.

For a comparison of technical solutions used in sports versions of other brands and a better understanding of the differences in body and chassis construction, the article discussing high-performance models may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.