Quarter Seal BMW F33 F83 M4 Window Rear Left N/S Channel Inner Gasket 7280295

Quarter Seal BMW F33 F83 M4 Window Rear Left N/S Channel Inner Gasket is a precisely profiled component from the Door seals group, designed for the rear left window in BMW F33 and F83 M4 body styles. It is responsible for the tight guidance of the window, reducing wind noise, and protecting the interior from water and contaminants, which translates into stable operation of the window lifting mechanism and acoustic comfort in the cabin.

Specifications and technical data

• SKU: 7280295
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7280295
• Substitutable numbers: 7280295, 51377280295, 2588007, 51372588007
• Location on the vehicle: Rear, Left
• Category: Door Seals

Purpose and function of the door window seal

The presented sealing strip is matched to the rear left window in BMW convertible and coupe models, where the correct geometry of the seal is crucial for smooth window operation without jamming. The component stabilizes the edge of the glass in the channel, minimizes vibrations, and reduces air drafts at higher speeds, which improves driving comfort and reduces the risk of premature wear of the window lifting mechanism.

Construction and technical properties

The rubber of the seal has been molded to ensure proper adhesion to the edge of the glass and the door frame, while maintaining appropriate flexibility in the working zones. The seal profile is designed to:

• maintain a stable position of the window throughout its entire range of operation,
• reduce the transmission of vibrations from the body to the glass,
• create a barrier against water, dust, and fine contaminants,
• reduce cabin noise originating from the door area.

Thanks to its fitment for a specific location on the vehicle, the seal works with factory guides and the door frame, which facilitates installation and allows for maintaining factory window performance parameters.

Benefits of using an original BMW seal

Using an original sealing rubber on the rear left window allows for restoring the proper tightness and operating culture of the entire door assembly. The most important advantages include:

• secure fit to the shape of the door and window – no need for modifications or fitting universal profiles,
• stable operation of the window lifting mechanism – lower movement resistance and reduced load on the window motor,
• reduction of window fogging from the edges due to better sealing,
• improvement of acoustic comfort in the rear part of the cabin.

This solution is especially recommended when replacing the window, repairing the door after a collision, or when leaks and noises appear in the area of the rear left window.

Component condition and service application

The seal comes from disassembly and is offered as a used original BMW component, which allows for maintaining factory geometry and operating characteristics compared to replacements. This type of part will work well both for current repairs and for restoring factory door fitment after body and paint work, where proper alignment of the window relative to the body is essential.

Complementary BMW door seals

If you are planning a comprehensive repair or upgrade of the door zone in your BMW and need other elements from the same group, such as additional sealing strips, perimeter seals, or window guides, check out the available parts in the BMW door seals category.

For drivers interested in a broader approach to vehicle servicing and conscious selection of used drivetrain components, practical tips on assessing the condition of second-hand parts can be found in the guide Second-hand differential – what you need to know about used differentials, sensors, and drivetrain systems.