BMW F45 Door Seal Rear Left Right N/O/S Edge Protection Gasket Black 7420050

BMW F45 Rear Door Seal Left Right is an original part from the Door Seals category, designed for installation on the rear axle on the left or right side. The black color of the seal helps maintain a consistent look with the factory finish, and the construction compliant with BMW standards promotes precise fitting and door system sealing.

Specifications and technical data

• SKU: 7420050
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7420050
• Substitutable numbers: 51727420050, 7420050
• Location on the vehicle: Rear, Right, Left
• Color: Black
• Category: Door Seals

Application and Fitment for BMW F45

The presented seal has been designed specifically for the BMW F45 model, taking into account the geometry of the rear body and the characteristic door line. The part is intended for installation on the rear left or right side, which facilitates the selection of the correct seal for accident repairs or replacement of worn components.

Thanks to its construction compliant with factory BMW standards, the seal works with original hinges, locks, and windows, reducing the risk of leaks and unwanted noises during driving. The black color ensures a neutral, aesthetic match with most interior configurations and body paint colors.

Technical and Functional Characteristics

The door seal plays a crucial role in acoustic insulation and protection against external factors. The appropriately shaped working profile supports:

• limiting the penetration of water and moisture into the vehicle's interior,
• reducing wind noise and noise from the wheel arches,
• stable door positioning when closed,
• maintaining proper door wing pressure against the body.

The original geometry of the seal promotes uniform pressure distribution around the entire perimeter, which translates to more predictable door closing and less stress on the hinges and lock. The black material has been selected to maintain appropriate flexibility within the typical operating temperature ranges of the car.

Item Condition and Installation Aspects

The rear left/right door seal for BMW F45 is offered as a used part, allowing for economical repair while maintaining the original manufacturer's specifications. This type of component is particularly useful when replacing parts after a collision or after many years of use, when the factory seal loses its flexibility.

The seal is installed in its original location, using the mounting points provided by the manufacturer. With proper seating on the door frame and body, it is possible to restore the original system's sealing without the need for body modifications. It is worth paying attention to thoroughly cleaning the contact surfaces to ensure proper adhesion and stability of the part.

Benefits of Using an Original BMW Seal

Using an original rear seal for BMW F45 allows you to maintain the performance parameters intended by the vehicle manufacturer. The most important benefits include:

• factory fit to the shape of the door and body,
• consistent black color matching the original finish,
• the ability to restore acoustic comfort inside,
• reducing the risk of window fogging due to improved sealing,
• maintaining OEM-level aesthetics and functionality.

For users who want to keep their vehicle in a configuration close to the factory original, choosing an original door seal is a more predictable solution than using aftermarket parts with uncertain profiles and material hardness.

Related Products and Technical Materials

If you are looking for other BMW door seals for your car, check out the BMW door seals available in our store to find a complete solution for the entire body.

For comprehensive service work, it is also worth familiarizing yourself with educational materials regarding diagnostics and component selection by OEM numbers. The article on the fuel system, part selection by VIN/OEM, and principles of regeneration and operation, which discusses a practical approach to identifying components in modern vehicles, may be helpful.