Weatherstrip BMW F46 Inner Rear Left N/S Door Gasket Seal Strip 7316787

BMW F46 Door Window Seal Strip Inner Rear Left is an original part from the Window Seals and Strips group, designed for installation on the left rear side of the body. The carefully designed profile ensures stable window guidance and limits the ingress of moisture and dirt into the door interior, which translates to efficient operation of the window lifting mechanism and improved cabin acoustic comfort.

Specifications and technical data

• SKU: 7316787
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7316787
• Substitutable numbers: 7316787, 51357316787
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Intended Use and Function of the Part

The presented sealing strip is dedicated to the rear left area of the body in BMW F46 series models. Its purpose is to seal the window edges from the inside of the door, helping to reduce wind noise, vibrations, and unwanted play in the window guides.

Thanks to its appropriately chosen shape and flexibility, the strip supports:

• stable window guidance in the tracks,
• reduction of creaks and knocks when driving over uneven surfaces,
• protection of the door interior from excessive moisture ingress,
• maintaining proper window regulator operation in the long term.

Construction and Fit for BMW

The strip has been specifically designed for the geometry of the rear doors of the BMW F46, ensuring a very good fit with the door frame and the window. The appropriate working profile interacts with the factory guides, meaning the part does not require additional modifications after correct installation.

As a part from the Window Seals and Strips group, this element is crucial for maintaining the sealing and proper operation of the entire door assembly – from the window mechanism to the acoustic comfort of the rear seat passengers.

Condition, Origin, and Benefits of Use

The offered strip is a used part, which in practice means the possibility of an economical repair of the door area while maintaining the original geometry and fit characteristic of BMW. Compared to aftermarket alternatives, using a part from the same model platform helps reduce the risk of installation problems and leaks resulting from dimensional differences.

Replacing a worn or damaged strip with a functional part of this type is particularly recommended when:

• air noise occurs at higher speeds around the rear left window,
• increased moisture is present inside the door or the window fogs up from the inside,
• there is play in the window, it "rattles," or does not close properly.

Practical Installation Tips

Due to its dedicated placement on the vehicle (rear – left side), it is advisable to verify the part's compatibility with the body version and the vehicle's side before installation. Installation in a workshop environment or by someone experienced with dismantling door upholstery and window guides is recommended to avoid damage to plastic clips and to ensure the correct positioning of the seal.

After installation, it is worth checking:

• the smoothness of the window movement throughout its range,
• the absence of rubbing against the strip edges,
• the seal along the entire window edge when closed.

Expansion of Modernization within BMW Seals and Strips

If you are planning a comprehensive repair or modernization of the door area in your BMW and need other parts from the same group, such as internal window seals, external window trims, or additional sealing profiles, check the available parts in the category BMW Window Seals and Strips.

For those who want to consciously select used body and interior components, an article describing the advantages and selection of used parts may be helpful – find more information in the material: Best Used Parts for Your Car Tuning.