BMW F45 Door Window Weatherstrip Rear Left N/S Trim Strip Black 8498417

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F45 Door Window Weatherstrip Rear Left N/S Trim Strip Black is a precisely fitted body component responsible for effectively draining water from the window surface and ensuring stable guidance within the channel. Thanks to its factory profile and original BMW geometry, the trim strip ensures the proper operation of the window lifting mechanism and limits the ingress of contaminants into the door interior. It is a practical solution for users who want to maintain the seal and aesthetics of the side body section.

Specifications and technical data

• SKU: 8498417
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8498417
• Substitutable numbers: 8498417, 51358498417
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Window Seals, Gaskets & Trims

Purpose and function of the weatherstrip

The presented weatherstrip is designed for installation on the rear left door of a BMW F45 series vehicle. Its task is to mechanically wipe water and dirt from the window surface during raising and lowering, which reduces the risk of scratches and accelerated glass wear. At the same time, this component stabilizes the window in the guide, supporting the correct operation of the regulator and reducing noise resulting from lateral play.

The trim strip belongs to a group of body components responsible for protecting the interior of the door from moisture. A correctly selected and installed component helps keep the space inside the door panel dry, which promotes a longer service life for electrical harnesses, speakers, and lock mechanisms.

Color and visual fit

The trim strip is finished in black, allowing for a consistent match with the factory window frame finish and other sealing elements. The neutral color blends well with both light and dark body paints, maintaining the original character of the car's side profile.

The properly selected profile and edge shape ensure aesthetic adhesion to the window and door panel without the need for additional modifications. As a result, the factory contact line between the window and the seal is maintained after installation, which is important for both visual and functional reasons.

Vehicle placement and installation aspects

The element is intended for installation in the rear left area of the body, on the outer edge of the door. Such placement requires following the correct sequence of removing and installing the door trim and window guide to avoid damaging the working surface of the strip. In practice, the installation consists of:

• removing the door upholstery and relieving the window,
• carefully removing the old weatherstrip,
• seating the new component in the factory mounting points,
• checking the smoothness of the window operation after reassembling the door.

With proper installation, the trim strip works with the existing window lifting mechanism without the need for interfering with the door structure.

Characteristics of the used product

The offered trim strip comes from dismantling, which means it is a used component. Such components are often chosen by users who expect factory fit and dimensional compliance while wanting to optimize repair costs. In the case of weatherstrips, it is crucial to maintain the correct working profile and the flexibility of the edge that contacts the glass.

Before installation, it is recommended to visually verify the working surface and compare the shape with the element removed from the vehicle to confirm structural compatibility with the specific body version.

Complementary BMW window seals and trim strips

If you are planning a comprehensive repair or upgrade of the side body area in your BMW and need other elements from the same group, such as window seals, additional window trim strips, or lower protective strips, check the available parts in the BMW window seals and trim strips category.

For users interested in a broader context of using dismantled parts, practical tips on selecting and installing used components in vehicles of other brands can be found in the article Volkswagen – solidity and reliability. Why are used VW parts a reasonable choice?, which discusses, among other things, the issues of compatibility and cost-effectiveness of such solutions.