BMW 3 E93 Convertible Right O/S Hardtop Roof Mechanism Kinematics Hinge Arm

BMW 3 E93 Convertible Right O/S Hardtop Roof Mechanism Kinematics Hinge Arm is an original structural component designed for the right side of the retractable hardtop in the BMW 3 Series E93 convertible. This specialized mechanism is responsible for the precise guidance and stable lifting of the roof panel, which translates into proper operation of the entire roof system and safe vehicle use. Thanks to the use of factory geometry, the hinge ensures an exact fit to the bodywork and seamless cooperation with other system components.

Specifications and technical data

• SKU: 7203116-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7203116
• Substitutable numbers: 54377203116, 7203116, BG
• Location on the vehicle: Right
• Category: Other Exterior Parts & Accessories

Purpose and function in the BMW E93 roof system

The presented hinge is part of the mechanism responsible for lifting and folding the roof in the BMW E93 convertible. Located on the right side of the vehicle, it works with actuators, arms, and other joints to ensure:

• controlled movement of roof segments during opening and closing,
• maintenance of the proper geometry of the roof structure,
• stable guidance of the roof panel relative to the body,
• reduction of stress at critical mounting points.

By maintaining factory mounting points and movement kinematics, the hinge allows for the restoration of proper roof operation after mechanical damage or operational wear.

Construction, fitment, and installation on the right side of the vehicle

The mechanism has been designed specifically for the right side of the body, which means its geometry, operating angle, and the layout of mounting holes are adapted to the factory roof system in the BMW E93. This solution facilitates:

• maintaining the axiality of roof component movement,
• proper fitment with the frame and roof panel,
• reducing the risk of jamming or uneven closing.

As a salvaged part, the hinge is a cost-effective solution that also allows you to maintain the original BMW roof system construction without the need for aftermarket replacements with uncertain parameters.

Characteristics of the used component

The product comes from a group of used parts, which in practice means it was previously used in a vehicle but has retained the functionality required for further use. For this type of component, it is particularly important to:

• check the smoothness of the joints before installation,
• verify mounting points for play and deformation,
• perform proper alignment and adjustment after installation in the vehicle.

Choosing a used roof mechanism hinge allows for a technically correct repair while maintaining factory BMW specifications, which is particularly important in complex retractable roof systems.

Selecting parts by numbers and technical parameters

To ensure full compatibility with a specific version of the BMW E93, it is worth verifying the part's compliance based on the OEM number and available interchangeable numbers. This information is visible in the technical specifications section and enables:

• matching the part to the specific model year and vehicle configuration,
• avoiding installation problems resulting from structural differences,
• checking compliance with BMW service documentation.

Additionally, it is helpful to compare the placement on the vehicle to ensure that the correct hinge intended for the right side is being selected.

Expanding the repair of the roof mechanism and body area

If you are planning a comprehensive repair or upgrade of the roof area and the rear part of the body in your BMW and need other elements from the same group, such as guides, arms, or additional brackets, check the available parts in the Other BMW category.

For more advanced work on the drivetrain, braking system, or chassis, it is also worth expanding your knowledge about the structural differences between standard and sports versions – the article on our blog may be helpful: Audi RS vs other models – what is hidden under the hood and chassis?.