BMW X3 F25 Window Strip Moulding Door Rear Left N/S Trim Gasket Black 7317907

BMW X3 F25 Rear Left Door Window Trim Strip Black is an original body element from the Window Seals and Trim Strips category, designed for installation on the rear left door. The black color of the trim strip helps maintain a consistent look of the side window line, while also providing an aesthetic finish to the edges of the window and door. This is a practical solution for users who want to restore the factory appearance of their vehicle after damage or wear of the original part.

Specifications and technical data

• SKU: 7317907
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7317907
• Substitutable numbers: 7317907, 51227317907, 7205745, 51227205745, KD
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Window Seals, Gaskets & Trims

Purpose and Function of the Window Trim Strip

The presented trim strip is fitted to the rear left side of the BMW X3 F25 body and operates around the edge of the door window. It is responsible for stable window operation and for aesthetically sealing the space between the glass and the door panel. This limits the ingress of dirt and moisture into the vicinity of the window regulator mechanism and door seals.

The black color of the trim strip blends well with factory window frames and other body trim elements, making it easier to maintain the vehicle's consistent, original appearance. Using an original BMW part ensures proper fitment with the door and other seals.

Benefits of Using an Original BMW Trim Strip

Using an original door window trim strip on a BMW X3 F25 allows for the preservation of factory window operating parameters and the correct body line. The element has been designed specifically for this model, which translates to:

• precise fit for the rear left door,
• correct window guidance in its extreme position,
• consistent appearance of the side window line,
• limitation of water and dirt ingress into the mechanisms inside the door.

The trim strip comes from a used vehicle, which is a cost-effective solution for users looking for parts at a reasonable price while maintaining the original BMW construction. In many cases, this is an effective way to restore proper window function after mechanical or operational damage to the previous element.

Color and Visual Fit

The black window trim strip fits well with standard color configurations of the BMW X3 F25, both in vehicles with dark and light body paints. As a result, after installation, the element does not stand out against other trim strips and seals, and the window line remains uniform. This is particularly important in post-accident repairs, where not only functionality but also maintaining a consistent appearance of the entire side of the vehicle is crucial.

Choosing an original trim strip from the Window Seals and Trim Strips category helps avoid problems with imprecise fitment that can occur with universal aftermarket replacements.

Installation and Service Application

The trim strip is designed for installation in place of the factory element on the rear left door. In practice, this means it can be used for both body and paint repairs, as well as for replacing worn or damaged finishing elements. Proper seating of the trim strip contributes to the smooth operation of the window regulator mechanism and the sealing of the edge area.

Due to its original origin, the trim strip works well with factory mountings and seals, which facilitates service work and reduces the time needed to fit the element to the door.

Offer Complement and Additional Materials

If you are planning a comprehensive restoration of the window surrounds on your BMW X3 F25 and also need other elements from the same group, check the available parts in the BMW Window Seals and Trim Strips category.

For broader body refreshment projects or restoration of older BMW models similar in age to the X3 F25, it is worth familiarizing yourself with practical tips on using aftermarket parts in the article Second Life for a Youngtimer – How Used Car Parts Rejuvenate Cars from 1998–2012.