BMW F30 F80 M3 Rear Left N/S Door Window Seal Trim Strip Channel Outer

BMW F30 F80 M3 Rear Left N/S Door Window Seal Trim Strip Channel Outer is a precision component from the Doors and door panels group, responsible for effective water drainage from the rear left window. A properly selected window seal stabilizes the window operation, limits the ingress of contaminants into the door interior, and supports the correct functioning of the window regulator mechanism. This component is particularly important for maintaining the seal and proper aerodynamics of the side body of your BMW.

Specifications and technical data

• SKU: 7258293
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7258293
• Substitutable numbers: 51357258293, 7258293
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and function of the window seal

The rear left window seal has been designed specifically for the BMW F30 body and the sporty F80 M3 version, with placement in the Rear, Left area. Its task is to provide controlled water collection from the glass surface and limit the ingress of moisture and dirt into the door interior, which promotes a longer service life for window lifting mechanisms and electrical components.

A properly selected window seal:

• stabilizes the window movement in the guides,
• reduces the risk of fogging and moisture inside the door,
• limits airflow noise in the rear part of the body,
• supports the maintenance of the aesthetic side line of the bodywork.

Compatibility with BMW bodywork

The element has been developed for the rear left door construction in the BMW F30 and F80 M3, ensuring a proper fit to the window edge and sheet metal contours. The use of the original seal geometry allows for maintaining the factory fit with the glass and door skin, which is essential for both the seal integrity and the appearance of the side of the vehicle.

The seal works with the factory guide and sealing system, which facilitates installation and minimizes the need for additional adjustments after replacing the component.

Characteristics of the used component

The offered window seal comes from the secondary market, which means it is a used part that retains the functionality required for further operation. This type of component is a good choice for door and door panel service when you want to maintain the original BMW specification while optimizing repair costs.

In the case of used parts, it is particularly important to ensure a correct fit for the specific model and body version – therefore, before installation, it is worth verifying compatibility with your vehicle using the manufacturer's markings and the placement on the vehicle.

Benefits of replacing the window seal

Replacing a worn-out window seal with a functional component brings measurable operational effects:

• improved sealing of the rear left window,
• reduction of water ingress into the door interior,
• reduced risk of corrosion for internal door components,
• more stable operation of the window lifting mechanism,
• maintenance of a consistent visual line of the door and window in the BMW.

For users who care about the condition of their BMW bodywork, a well-maintained window seal is an important addition to service work in the area of doors and door panels.

Expanding work in the BMW door area

If you are planning a comprehensive repair or modernization of the door zone in your BMW and need other elements from the same group, such as skins, reinforcements, or additional seals, check out the available parts in the BMW Doors and door panels category.

If you are considering broader vehicle modifications and want to combine bodywork service with performance improvements while maintaining a reasonable budget, the article describing a practical approach to using secondary market components may be helpful: Tuning with used parts – how to gain performance without spending a fortune.