BMW E65 E66 Door Weatherstrip Rear Seal Gasket C Column Left N/S 8223763

Description

BMW E65 E66 Door Weatherstrip Rear Seal Gasket C Column Left N/S is an original component from the Door seals group, designed for installation in the rear left section of the vehicle body. It ensures proper door sealing, limits water and noise ingress into the cabin, and helps maintain stable acoustic comfort inside the BMW 7 Series E65/E66.

Specifications and technical data

• SKU: 8223763
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8223763
• Substitutable numbers: 51228223763, 8223763
• Location on the vehicle: Rear, Left
• Category: Door Seals

Purpose and function of the door seal

The presented seal is dedicated to the rear left part of the body, where it is responsible for a tight connection between the door panel and the bodywork. A properly selected seal:

• limits the penetration of water and moisture into the vehicle interior,
• reduces wind noise and external noise,
• supports the maintenance of proper cabin thermal insulation,
• stabilizes the door position relative to the frame, improving closing comfort.

Thanks to the fitment for a specific BMW model, the correct body lines and factory door contact geometry are maintained.

Benefits of using an original BMW seal

Using an original seal in the rear left area of the BMW 7 Series body allows for maintaining the structural integrity of the entire door perimeter. The element has been designed for a specific body, which translates into:

• precise fit to the shape of the door frame without the need for modifications,
• proper pressure along the entire length of the perimeter,
• compatibility with factory mounting points,
• maintaining the proper level of tightness after closing the door.

Choosing an original seal is particularly important for luxury limousines, where acoustic comfort and cabin tightness have a direct impact on the perceived ride quality.

Characteristics of the used component

The offered seal comes from dismantling, which allows for an economical replacement of the element while maintaining the original BMW specification. The used component is a good solution in a situation where the existing seal has suffered from operational wear, mechanical damage, or deformation resulting from years of use.

Replacing the seal with a functional used part allows for restoring proper door tightness without the need to invest in a new part, while maintaining the factory standard of workmanship.

Installation and fitment in the rear left body area

The seal is intended for installation in the rear left part of the vehicle, in accordance with the factory layout of the BMW 7 Series E65/E66 doors. Thanks to the dedicated shape and profile, the installation proceeds in an orderly manner, and after installation:

• the doors maintain the correct line relative to the bodywork,
• a continuous sealing circuit is restored,
• the risk of leaks in critical corner points is reduced.

During installation, it is recommended to thoroughly clean the contact surface and check the condition of other seals in the rear left area of the body to fully utilize the potential of the newly installed element.

BMW modernization and retrofit expansion

Replacing the door seal can be part of broader work related to refreshing the vehicle’s body or interior. If you are planning more extensive retrofitting or modernization of your BMW, it is worth considering the use of proven components from dismantling. You can find more about this approach to equipment expansion in the article on retrofitting and upgrading BMWs using parts from higher versions.

If you are planning a comprehensive repair or modernization of the door area in your BMW and need other elements from the same group, such as additional perimeter seals, threshold seals, or door frame seals, check the available parts in the BMW Door seals category.