BMW 3 Series E91 E91N LCI Rear Window Sealing Gasket 4391270

BMW E91 Rear Tailgate Window Seal is an original part from the Window Seals and Trim category, designed for installation in the rear of the body. The carefully selected sealing profile helps to prevent water, dust, and noise from entering the luggage compartment, improving the comfort of daily use.

Specifications and technical data

• SKU: 4391270
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4391270
• Substitutable numbers: 51717130769, 7130769, 51714391270, 4391270
• Location on the vehicle: Rear
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the BMW E91 Rear Window Seal

The presented seal is designed for installation on the rear tailgate window of the BMW E91 series. Its purpose is to create a tight, flexible barrier between the window and the tailgate, which reduces the risk of leaks and unwanted vibrations of glass elements while driving.

Thanks to its appropriately selected geometry and material hardness, the seal works with the factory window mounting, ensuring stable seating and even pressure around the entire perimeter. This is particularly important in station wagons, where the luggage space is intensively used and the tailgate is frequently opened.

Key Benefits of Installing the Rear Tailgate Window Seal

Using the correct seal in the rear of the vehicle translates into a number of practical benefits:

• reduction of water and moisture ingress into the luggage compartment,
• decreased risk of window fogging from the inside,
• reduction of noise and wind noise around the rear tailgate,
• stable seating of the window, which helps to limit its micro-movements and creaking,
• a more aesthetic finish to the edges of the window and tailgate.

For BMW E91 owners, this means a more comfortable vehicle operation, especially in adverse weather conditions.

Product Characteristics and Fit for BMW

The seal belongs to the group of body elements classified as Window Seals and Trim, meaning it is designed for direct contact with the window and bodywork. Its profile and shape are adapted to the rear of the BMW body, which facilitates installation and maintains the original line of the tailgate.

As a BMW brand component, the seal is structurally consistent with the solutions used by the vehicle manufacturer. This allows it to be used both for replacing a worn seal and for accident repairs where restoring the original rear window seal is necessary.

Vehicle Placement and Installation Aspects

The seal is intended for installation in the rear of the vehicle, around the perimeter of the rear tailgate window. Proper placement of the element on the edge of the window and tailgate is crucial for maintaining a seal and the correct operation of the opening and closing mechanism.

During installation, it is recommended to:

• thoroughly clean the contact surfaces of the window and tailgate,
• check the condition of the sheet metal edges for corrosion and damage,
• ensure the seal is evenly positioned around the entire perimeter,
• carefully close the tailgate after installation to allow the seal to settle properly.

This approach helps to maintain stable sealing performance over the long term.

Condition and Application in BMW Service

The offered seal is a used part, making it an attractive cost-effective alternative while maintaining compatibility with the original BMW construction. Such components are frequently used in workshops specializing in the brand, especially for body repairs and window replacements, where precise fit for the specific model is important.

The product is suitable for both professional service centers and discerning owners who service their BMW E91 themselves and are looking for parts that comply with the original manufacturer's specifications.

Related BMW Window Seals and Trim

If you are looking for other elements from the BMW Window Seals and Trim category for your car, check out our dedicated offer: BMW Window Seals and Trim. This will help you easily select other body seals based on your specific model and repair scope.

For those interested in deepening their knowledge of diagnostics and component selection by manufacturer numbers and VIN, a guide article may be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. The information contained therein on working with OEM and reference markings may also facilitate the selection of other components in your car.