BMW F12 Convertible Folding Top Rear Window Lifter Regulator Glazing 7310402

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F12 Convertible Folding Top Rear Window Lifter Regulator Glazing is an original rear window mechanism component designed for the BMW 6 Series F12 convertible. Its precisely engineered construction ensures stable window guidance within the soft top, which translates into the proper operation of the entire opening and closing system. This used OEM part is a sensible choice for specialized repairs where factory fitment and compliance with the original body geometry are essential.

Specifications and technical data

• SKU: 7310402
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7310402
• Substitutable numbers: 7310402, 54347310402, 54347230912, 7230912
• Location on the vehicle: Rear
• Category: Convertible Tops & Parts

Purpose and function in the soft top system

The rear window lifter regulator is responsible for the controlled raising and lowering of the rear window in the BMW F12 convertible. The component works in conjunction with the soft top mechanism, keeping the window in the correct position relative to the fabric and seals. As a result, it:

• ensures the tightness of the rear part of the body while driving and when parked,
• stabilizes the window during roof operation,
• reduces stress on the glass and guides,
• supports the proper operation of the comfort window closing system.

The precise operation of this component is important for both acoustic comfort and the durability of the entire soft top system.

Construction and fitment for the BMW F12 Convertible

The lifter is structurally adapted to the rear body section of the BMW 6 Series F12 convertible. The geometry of the mounts, support points, and range of motion have been developed for this specific model, enabling installation without modifications and maintaining factory assembly clearances. Original BMW Group origin means compatibility with factory window guides, mounts in the roof lining, and the standard control system.

Its location in the rear zone of the vehicle means the component operates under demanding conditions – in the immediate vicinity of the roof mechanism, seals, and luggage compartment upholstery. Proper adjustment of the lifter therefore influences the smooth operation of the entire system and helps reduce unwanted vibrations and noise.

Benefits of using an original lifter

Choosing an original rear window lifter regulator for the BMW F12 Convertible allows you to maintain the parameters specified by the vehicle manufacturer. Key advantages include:

• factory fitment with the rear body structure and soft top mechanism,
• proper cooperation with the standard electronics controlling window movement,
• preservation of the window operating characteristics intended by BMW (speed, range of motion, end positions),
• reduction of the risk of leaks and rattles resulting from improper window alignment.

The used OEM part is particularly attractive for post-accident repairs or after mechanical failure, when the priority is to restore full functionality while maintaining reasonable costs. The Convertible soft tops and parts category includes specialized components for which universal replacements usually do not provide the same level of fitment.

Professional installation and operation

Due to its connection with the roof mechanism and the precise positioning of the window, it is recommended to entrust the installation of the rear window lifter regulator in a BMW F12 Convertible to a workshop with experience in BMW convertibles. Proper installation includes:

• checking the geometry of the mounts in the rear body section,
• adjusting the window position relative to the seals and roof lining,
• calibrating end positions in the window control system (if required),
• verifying the operation of the soft top through a full opening and closing cycle.

Performing the procedure in this way allows you to fully utilize the potential of the original component and maintain the comfort of using the convertible at a level consistent with the manufacturer's standards.

If you are planning a comprehensive repair or upgrade of the soft top zone in your BMW and need other elements from the same group, such as window guides, roof mechanisms, or rear window seals, check the available parts in the BMW Convertible soft tops and parts category.

Technical support and knowledge about BMW units

When planning broader service work on a BMW, it is worth considering the specifics of the engine unit used and the general vehicle maintenance strategy. For users interested in the characteristics of BMW diesel engines and operating costs on the secondary market, an article comparing popular units will be useful, available here: BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels.

To better care for dismantled parts, including components from the soft top and window mechanism groups, it is worth learning practical principles of operation and maintenance. You can find proven tips in the guide: How to extend the life of used car parts.