Seal Mirror Triangle BMW F45 Active Tourer Gasket Outer Front Left N/S 7297253

The BMW F45 Front Left Door Mirror Seal is a precisely fitted body part designed for installation in the front left door of BMW F45 series vehicles. This dedicated mirror seal helps maintain the watertight seal between the mirror and the door panel, limiting the ingress of water, dirt, and noise into the cabin.

Specifications and technical data

• SKU: 7297253
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7297253
• Substitutable numbers: 51337297253, 7297253
• Location on the vehicle: Front, Left
• Category: Door Seals

Purpose and Function of the Seal

The front left door mirror seal is responsible for providing a stable, flexible seal at the contact point between the mirror base and the door metal. A correctly selected item from the Door Seals category minimizes the risk of corrosion around the mirror mounting area and also reduces air turbulence, which can generate additional noise during driving.

The part is specifically designed for BMW door construction, ensuring it maintains the correct geometry, allows for proper routing of the mirror's electrical wiring, and supports the stable mounting of the entire assembly.

Benefits of Using an Original BMW Seal

Using a seal dedicated to a specific BMW model translates to:

• a secure fit to the shape of the door and mirror base,
• maintaining factory-level sealing in the mounting area,
• limiting moisture ingress into the door interior,
• reducing cabin noise originating from the mirror area,
• an aesthetic finish to the edge around the mirror on the exterior side.

As a part originating from a BMW vehicle, the seal maintains appropriate material stiffness and flexibility, which is important for repeated door opening and closing and for environmental temperature changes.

Vehicle Placement and Installation Aspects

The presented seal is intended for installation in the front left door area, at the point where the mirror contacts the body panel. Correct placement on the vehicle facilitates the work of a mechanic or body shop technician – the part is mounted into existing mounting points, without the need for door structure modifications.

When replacing the seal, it is recommended to thoroughly clean the adhesion surface and check the condition of the paint and anti-corrosion protection in the mirror mounting area. A properly seated seal supports long-term sealing and stability of the entire mirror assembly.

Characteristics of a Used Product

The seal is a used part, meaning it has been removed from a vehicle but retains the functionality required for further use. For many BMW owners, this represents a sensible compromise between repair cost and maintaining the original door and mirror construction.

Choosing a used OEM component allows for maintaining material and dimensional consistency with other body parts, which is particularly important for post-collision repairs or when replacing a mirror with an original equivalent.

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other parts from the same group, such as door frame seals, pillar seals, or sill seals, check the available parts in the BMW Door Seals category.

Additionally, if you are interested in a cost-optimization approach to repairs and want to better understand how selecting original parts affects the durability of body and mechanical repairs, it is worth reading the advice in the article Economical Ford Operation – Where to Find the Biggest Savings in Mechanical and Body Repairs, which can be analogously applied to planning service for other makes.