Triangle Moulding BMW E81 E82 E88 Seal Outer Sealing Mirror Left N/S 7164935

Triangle Moulding BMW E81 E82 E88 Seal Outer Sealing Mirror Left N/S is an original body component from the Window seals and trims group, designed for installation on the left side of the front door. This used BMW part ensures a factory fit, stable window guidance, and reduces noise and moisture penetration into the vehicle interior.

Specifications and technical data

• SKU: 7164935
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7164935
• Substitutable numbers: 51337164935, 7164935
• Location on the vehicle: Left
• Category: Window Seals, Gaskets & Trims

Purpose and function of the door seal

The triangular front left door seal in the BMW E81 is responsible for a tight connection between the window and the door frame in the area of the mirror and the pillar. Its proper operation contributes to:

• reducing wind noise at higher speeds,
• minimizing water and moisture ingress into the door interior,
• stable window guidance within the channel,
• maintaining the correct geometry of the window's contact with the body.

By maintaining the factory profile and shape, the Triangle Moulding BMW E81 E82 E88 Seal Outer Sealing Mirror Left N/S helps restore proper sealing in an area critical for acoustic comfort and interior protection.

Construction and fitment for the BMW E81

The element has been designed specifically for the BMW 1 Series E81 body, taking into account the characteristic geometry of the door and window frame. The precise profiling of the triangular corner ensures:

• precise fit against the window edge and frame,
• proper sealing in the area of the exterior mirror,
• compatibility with factory mounts and guides.

As an original BMW component, the seal maintains dimensional compliance with factory equipment, which facilitates installation and minimizes the risk of leaks after replacement.

Vehicle placement and installation aspects

The presented seal is intended for installation on the left side of the front door. Replacement of the element is recommended in case of:

• cracks, abrasions, or deformation of the rubber,
• the appearance of noticeable wind noise in the mirror area,
• noticeable water leaks in the upper part of the door,
• loose window movement in the triangular corner.

By using an original seal, you maintain technical consistency with other body components, which is important for both driving comfort and the durability of the door and window lifting mechanism.

Benefits of using an original BMW seal

Using a factory seal in the BMW E81 allows for the maintenance of performance parameters specified by the manufacturer. The most important advantages include:

• compatibility with the door structure and window without the need for modifications,
• preservation of the factory finish aesthetics in the mirror zone,
• stable sealing over a long period of use,
• better protection of the door interior against corrosion resulting from excessive moisture.

For users who want to technically restore body sealing correctly, the original BMW door seal is a solution consistent with the vehicle's design specifications.

Expansion of service work within the scope of seals

If you are planning a comprehensive repair or upgrade of the door sealing zone in your BMW and need other elements from the same group, such as additional window seals, window trims, or door frame seals, check the available parts in the BMW window seals and trims category.

If you are interested in a broader context of using used body parts and want to better understand how to select spare parts in terms of quality and cost-effectiveness, it is worth reading the article: Used car parts for Mini Cooper – a way for style and savings.