BMW E90 E91 Rear Door Brake Gasket Seal Rubber Right O/S 7125590

BMW E90 E91 Rear Door Brake Gasket Seal Rubber Right O/S is an original component from the Door seals group, designed for the rear right side of the vehicle body. It ensures stable, controlled operation of the door brake, improving user comfort and protecting the door edge and body pillar. This is a practical solution for BMW users who want to restore the factory-standard door operation on the rear passenger side.

Specifications and technical data

• SKU: 7125590
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7125590
• Substitutable numbers: 7125590, 51357125590
• Location on the vehicle: Rear, Right
• Part type: Door Seal
• Category: Door Seals

Purpose and function of the door brake gasket

The presented gasket operates in the area of the rear right door, at the door brake mounting point. Its purpose is to:

• dampen vibrations and noise generated during door opening and closing,
• stabilize the position of the door brake relative to the door panel and structure,
• protect the contact area against point mechanical loads,
• limit the transfer of play to hinges and mounting elements. As a result, the rear right door maintains predictable, repeatable resistance when opening, and its operation is more acoustically comfortable and mechanically sound.

Benefits of using an original BMW gasket

The door brake gasket dedicated to the BMW E90/E91 series has been designed for the specific geometry of the door and body. This translates into:

• precise fit for the rear right side of the vehicle without the need for modifications,
• correct guidance of the door brake throughout the entire range of door movement,
• preservation of factory mounting points and the correct position of the component,
• consistency with other BMW door system components. Using an original gasket helps maintain the structural integrity of the door, which is important for both comfort and the durability of the entire mechanism.

Installation and operational characteristics

The component is intended for installation in the rear right part of the body, where it interacts with the door brake. When installed correctly, the gasket:

• ensures stable seating of the door brake in its socket,
• minimizes the risk of unwanted play during operation,
• contributes to the even distribution of forces acting on the door structure. This solution is particularly useful in vehicles where knocking, creaking, or unstable door positions have occurred during opening in the rear right part of the cabin.

Condition of the component and service application

The offered gasket is a removed part intended for reinstallation in a vehicle where it is necessary to replace a worn or damaged component. It works well as a service part for:

• repairs of the rear right door opening mechanism,
• elimination of noises resulting from door brake operation,
• restoring the factory door operating characteristics in the BMW E90/E91 series. For workshops and individual users, this is a practical way to maintain the integrity of the door system without having to use replacements with uncertain fitment. If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other components from the same group, such as edge seals, frame seals, or additional protective profiles, check the available parts in the BMW Door seals category. For users interested in a wider range of service work on the drivetrain and looking for reliable information on selecting parts, the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain may be helpful, which facilitates the planning of comprehensive vehicle repairs.