BMW E46 Convertible Folding Roof Top Lock Mechanism Left N/S 7031361

BMW E46 Convertible Folding Roof Top Lock Mechanism Left N/S is an original component from the Convertible soft tops and parts group, designed for the precise operation of the left segment of the folding roof. This used OEM component ensures factory-fit, proper cooperation with the roof structure, and stable operation of the entire opening and closing system.

Specifications and technical data

• SKU: 7031361-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7031361
• Substitutable numbers: 7031361, 54347031361
• Location on the vehicle: Left
• Part type: Latch
• Category: Convertible Tops & Parts

Purpose and function in the roof system

The presented folding roof lock mechanism is dedicated to the left side of the body in the BMW 3 Series E46 convertible. It is responsible for the mechanical locking and unlocking of the soft top cover, working in conjunction with other structural elements. A correctly selected lock guarantees:

• stable roof closure while driving,
• proper movement of the folding cover,
• maintenance of the geometry and rigidity of the roof structure.

Thanks to its factory design, the element maintains compatibility with the original system of guides, cables, and mounts, which facilitates installation and subsequent adjustment.

Construction and fitment for BMW E46 Convertible

The mechanism has been designed specifically for the soft top architecture of the BMW E46 Convertible, taking into account the characteristic layout of hinges and mounting points. Placement on the vehicle on the left side allows for clear identification of the part and eliminates the risk of error when selecting a component for a specific side of the vehicle.

As an OEM element from the BMW brand, the lock works with factory controls and roof mechanics without the need for modifications or adaptations. This is particularly important for repairs where maintaining the original roof movement kinematics and proper fitment with seals and the cover is essential.

Condition, origin, and benefits of using a used part

The offered lock comes from dismantling and is marked as a used original element. In practice, this means maintaining factory specifications while optimizing repair costs compared to new components. For BMW E46 Convertible owners, this is a reasonable choice when:

• repairing a damaged or seized roof mechanism,
• restoring full functionality after a collision or interference with the roof structure,
• performing a comprehensive renovation of the soft top folding system.

Choosing an original lock from the same vehicle generation minimizes the risk of problems with adjustment, improper closing, or excessive stress on the roof structure.

Professional installation and service aspects

Due to the importance of the mechanism for the safety and tightness of the cabin, installation by a workshop experienced with BMW convertibles is recommended. Proper setting and adjustment of the lock affects:

• even adhesion of the roof cover to the frame,
• reduction of wind noise at higher speeds,
• reduction of loads on other elements of the folding roof system.

To facilitate identification and verification of compatibility with a specific version of the BMW E46 Convertible, the product has an assigned SKU in the warehouse system as well as a dedicated OEM part number and relevant interchangeable numbers, visible in the technical specifications section.

If you are planning a comprehensive repair or upgrade of the soft top area in your BMW and need other elements from the same group, such as locks, guide mechanisms, or cover mounts, check the available parts in the BMW convertible soft tops and parts category.

Technical support and additional information

When working with BMW convertibles, there is often a need for parallel diagnostics of comfort modules and body electronics that work with the roof mechanism. To better plan your repair and utilize the potential of dismantled parts in your car, it is worth reading the guide on our blog: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?

If you want to shorten the vehicle's downtime in the workshop and want to effectively combine roof repair with other service work, the following article may also be helpful: No more weeks of waiting – how does a wide assortment in one warehouse actually shorten your car's downtime at the mechanic?