BMW 1 Serie F20 F20N LCI Gasket Cover Sealing Strip Rear Left N/S 7240841

BMW 1 Serie F20 F20N LCI Gasket Cover Sealing Strip Rear Left N/S is a precisely fitted body component designed for installation in the rear left door. It is responsible for the tight guidance of the window and protection of the door edge, which translates into stable operation of the window mechanism and reduced cabin noise. Thanks to its factory origin from BMW, the seal maintains the correct geometry and fit with the bodywork.

Specifications and technical data

• SKU: 7240841
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7240841
• Substitutable numbers: 51347240841, 7240841
• Location on the vehicle: Rear, Left
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and function of the component

The presented sealing strip is dedicated to the rear left part of the body, where it operates in the immediate vicinity of the door window. Its task is to:

• limit the ingress of water and moisture into the door interior,
• reduce wind noise while driving,
• stabilize the window movement in the guide,
• protect the painted door edge against minor mechanical damage.

Thanks to the proper profile, the strip works with the factory window lifting mechanism, ensuring smooth window movement without unnecessary resistance or vibrations.

Compatibility with the BMW F20 body

The component has been designed with the BMW F20 door structure in mind, which means maintaining the original body line and correct adhesion to the window frame. The appropriate profiling of the edges and mounting points allows for installation without modifications, while maintaining factory gaps and aesthetics.

The placement on the vehicle in the rear left part of the body helps to restore proper sealing after replacing a damaged or worn seal, which is important for both acoustic comfort and protecting the interior from external factors.

Performance characteristics and advantages

The rear left door sealing strip in the BMW F20 affects the daily comfort of using the vehicle. A correctly selected element from the Window seals and strips category helps to:

• minimize streaks and moisture inside the door,
• limit rattles and knocks resulting from window play,
• maintain stable window guidance throughout its entire range of operation,
• maintain a consistent appearance of the door edge with other body components.

Choosing an original BMW solution helps maintain the technical consistency of the vehicle, and the use of a dedicated seal allows you to avoid problems typical of replacements with an inaccurate profile.

Condition and service application

The offered sealing strip comes from dismantling, which makes it an attractive alternative in the case of post-accident or service repairs, where the priority is to maintain the original door structure. This type of component is particularly useful for:

• replacing doors after mechanical damage,
• eliminating leaks in the window area,
• restoring the correct operation of the window lifting mechanism.

The use of a used OEM component allows for maintaining a favorable cost-to-quality ratio, while maintaining factory fit to the body.

Expanding repairs within BMW seals and strips

If you are planning a comprehensive repair or upgrade of the door and window area in your BMW and need other elements from the same group, such as additional window seals, edge strips, or guide profiles, check the available parts in the BMW window seals and strips category.

For drivers interested in a broader approach to drivetrain modernization and matching the car's characteristics to their driving style, a guide article describing the selection of axle and differential ratios may be helpful – you can find it here: Dismantled drive axles and differentials – how to choose ratios for your driving style.