BMW X3 F25 Door Trim Inner Weatherstrip Strip Rear Left Black N/S 7205735

BMW X3 F25 Rear Left Window Seal Strip is a precisely fitted body element designed for the rear left window of the BMW X3 F25 model. It is responsible for ensuring a watertight seal for the window, reducing noise, and protecting against water and dirt, thereby ensuring the stable operation of the lifting mechanism. Thanks to its factory profile and black finish, it seamlessly integrates with the door line and body styling.

Specifications and technical data

• SKU: 7205735
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7205735
• Substitutable numbers: 51227205735, 7205735, 51224893265, 4893265, EM
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and Function of the Window Seal Strip

The presented window seal strip has been specifically designed for the rear left part of the BMW X3 F25 body. Its function is to provide stable guidance for the window in its track, maintain proper sealing between the window and the door frame, and reduce vibrations during driving. A correctly chosen seal minimizes air drafts, reduces wind noise, and improves acoustic comfort inside the vehicle.

The black color of the strip matches the factory finish, ensuring the element does not stand out against other door components. This is important both from an aesthetic perspective and for maintaining visual consistency of the entire side of the body.

Construction, Installation, and Fitment

The window seal strip belongs to the body elements category of Doors and Door Panels, working directly with the window and the door frame. The seal's profile is adapted to the geometry of the rear left window of the BMW X3 F25, which facilitates installation and allows for proper adhesion to the glass surface and door edges.

The element is intended for installation in the rear area, on the driver's side (in left-hand drive vehicles), where it is responsible for:

• guiding the window vertically during raising and lowering,
• sealing the window-door contact area around the frame,
• limiting the ingress of water and dirt into the door interior,
• reducing noise and vibrations transmitted from the outside.

Thanks to its factory shape and appropriate stiffness, the seal works with the window lifting mechanism without causing excessive resistance or jamming, contributing to the smooth operation of the entire system.

Visual Characteristics and Body Integration

The black, neutral color of the seal allows for its discreet integration into the vehicle's side profile. The element does not disrupt the body's styling while providing an aesthetic finish to the window edges. A properly chosen sealing strip eliminates gaps and uneven adhesion, which is important for both appearance and protection against corrosion within the door.

As a part dedicated to a specific BMW model, the seal maintains compliance with factory installation tolerances, resulting in a predictable outcome after replacement – without the need for additional modifications or adjustments.

Condition of the Part and Service Application

The window seal strip is offered as a used part, allowing for an economical repair of the door area while maintaining original installation characteristics. This type of component is particularly useful for:

• eliminating leaks and drafts around the rear left window,
• repairs after collisions or bodywork interventions on the door,
• restoring proper operation of the window lifting mechanism,
• reducing noise and improving cabin acoustic comfort.

Selecting the correct seal for a specific BMW X3 F25 unit is crucial for maintaining watertightness and proper door fitment, so it is worth paying attention to model compatibility and vehicle placement.

Expanding the Scope of Door Repairs in BMW

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other elements from the same group, such as panels, reinforcements, or additional strips, check the available parts in the BMW Doors and Door Panels category.

When planning more extensive service work, it is also worth ensuring the efficiency of systems affecting driving safety; for assistance in selecting used brake system components, refer to the article Used Brake Systems: How to Safely Choose Discs, Calipers, and ABS?, which contains a practical checklist for purchasing used market parts.