BMW F30 Window Guide Seal Gasket Left N/S Rear Door 7258327

BMW F30 Window Guide Seal Gasket Left N/S Rear Door is a precisely profiled body component designed for a tight fit of the rear side window on the driver's side. Thanks to its perfect match for this specific BMW generation, it ensures stable window guidance, reduces wind noise, and helps maintain proper cabin insulation. It is a practical solution for users looking to restore proper window operation and the aesthetic appearance of the side bodywork.

Specifications and technical data

• SKU: 7258327
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7258327
• Substitutable numbers: 7258327, 51357258327, 51357414533, 7414533, 51352580947, 2580947
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Door Seals

Purpose and function of the seal

The presented seal is dedicated to installation in the rear part of the body on the left side, in the side window area. It is responsible for guiding the window edge and maintaining even pressure against the door frame, which limits the ingress of water and contaminants into the interior. Precise fitment for the specific BMW model translates into correct operation of the window lifting mechanism and stable seating of the glass in the guide.

The seal belongs to a group of body components that directly affect acoustic comfort and the protection of the interior against external factors. Replacing a worn or deformed seal with the correct part allows for the reduction of noise at higher speeds and limits the risk of window fogging on the side.

Construction, color, and fitment

The component is black, ensuring consistency with the factory finish of the door frame and other seals in this generation of BMW. The neutral black color facilitates aesthetic integration of the seal into the body line, without visible differences compared to other rubber and plastic elements.

The seal profile has been designed for the specific geometry of the rear left door, ensuring that after proper installation, the factory gaps and the contact line with the window are maintained. The appropriate cross-sectional shape promotes even pressure along the entire length, which is important for both tightness and smooth operation of the window lifting mechanism.

Benefits of using the original window seal

Using a dedicated seal in the rear left part of the body allows for the restoration of factory window performance parameters and limits typical problems resulting from rubber wear. The most important advantages include:

• more stable window guidance in the track,
• reduction of cabin noise at higher speeds,
• better protection of the interior against moisture and fine contaminants,
• maintaining a consistent appearance of the side bodywork.

A properly selected window seal is particularly important after bodywork and paint repairs or when replacing the glass, when it is necessary to reset and seal the entire rear left door area.

Product characteristics and service application

The seal belongs to the Door seals category, which means it is designed to work in variable weather conditions and during frequent opening and closing of the door. The construction intended for the specific BMW model facilitates installation in the factory location, without the need for modifications or fitting universal profiles.

The component will work well both for standard replacement of a worn seal and during more extensive service work in the side body area, including window removal, adjustment of the lifting mechanism, or door repair after a collision. Selecting the right seal for the specific location on the vehicle minimizes the risk of leaks and problems with the window closing.

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

For users interested in a broader approach to maintaining the car in good condition, including the impact of bodywork and seal condition on driving comfort, the guide material regarding suspension operation and general vehicle maintenance may be helpful – you can find it in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.