BMW F30 F31 F80 M3 Front Door Window Frame Seal Gasket Trim Left N/S 7259383

The BMW F30/F31/F80 M3 Front Left Door Window Frame Seal is an original part from the Window Seals & Trim category, designed for installation on the driver's side. It ensures a tight seal for the window, reduces wind noise, and supports the proper operation of the window regulator in the front left door.

Specifications and technical data

• SKU: 7259383-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7259383
• Substitutable numbers: 51337259383, 7259383, 51337323507, 7323507, 7323509
• Location on the vehicle: Front, Left
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Intended Use and Fitment for BMW F Series

The presented window frame seal has been specifically designed for BMW F series models with sedan and touring body styles, including M3 versions, with the placement on the vehicle specified as front – left side. Thanks to its factory profile and precise geometry, the element perfectly fills the door frame contour, which translates to stable window guidance and reduced vibrations during driving.

Original sourcing from the BMW group means maintaining the correct stiffness, flexibility, and compatibility with factory mountings. Installation is done in place of the existing window frame seal, without the need for door structure modifications.

Sealing Function and Acoustic Comfort

The window frame seal plays a crucial role in protecting the vehicle's interior from external factors. It is responsible for:

• limiting the ingress of water and moisture into the door and cabin,
• reducing air noise at higher speeds,
• stable window guidance in the track, which reduces the risk of it becoming misaligned,
• maintaining proper window pressure against the door frame.

A well-chosen window frame seal contributes to higher acoustic comfort, reduced load on the window regulator mechanism, and more predictable door behavior when closing.

Element Characteristics and Installation

The element belongs to the Window Seals & Trim group, meaning it has been designed for operation in variable weather conditions and with frequent door opening and closing cycles. The seal's construction is adapted to the shape of the front left door frame, with appropriately formed corners and contact areas with the window.

When replacing, it is recommended to:

• thoroughly clean the contact surfaces in the door frame,
• check the condition of the window tracks and the regulator mechanism,
• verify the even contact of the seal around its entire perimeter after installation.

This approach allows for full utilization of the element's sealing and mechanical properties and reduces the risk of future leaks.

Element Condition and Practical Application

The offered window frame seal is a part from the aftermarket, allowing for economical repair of the door sealing system while maintaining original geometry and fit. This solution is particularly beneficial in cases of:

• air noise appearing around the upper edge of the door,
• leaks in the A-pillar area or the upper part of the frame,
• wear or damage to the factory seal due to use.

Replacing the window frame seal with an OEM part from the same BMW model group allows for the restoration of original sealing parameters and vehicle comfort.

Related Products and Technical Knowledge

If you are looking for other BMW Window Seals & Trim for your car, check out the BMW window seals & trim available in our store to select a complete solution for all doors and windows.

Want to better care for aftermarket parts like seals, trim, or body components? Read our guide How to Extend the Lifespan of Used Car Parts?, where you'll find practical tips on maintenance and operation of parts sourced from dismantling.