BMW F45 Door Weatherstrip Upper Trim Strip Rear Left N/S High Gloss 7375177

BMW F45 Rear Left Door Window Seal Weatherstrip is a precisely fitted body component designed for the rear left door of BMW F45 series models. It is responsible for effectively draining water from the window surface and ensuring a stable seal around its edges, which contributes to acoustic comfort and protection of the vehicle's interior.

Specifications and technical data

• SKU: 7375177
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7375177
• Substitutable numbers: 7375177, 51357375177
• Location on the vehicle: Rear, Left
• Category: Door Seals

Purpose and Function of the Weatherstrip

The rear left door window weatherstrip in the BMW F45 works in direct contact with the window, creating a flexible barrier between the glass and the door panel. Its tasks include:

• controlled water drainage from the window surface while driving and stationary,
• limiting the ingress of dirt into the door interior, which contributes to the longer lifespan of the window regulator mechanism,
• stabilizing the window's travel at the top, reducing the risk of play and unwanted noises during driving.

Thanks to its proper profile, the seal works in conjunction with the original BMW door construction, maintaining the original geometry and window operating characteristics.

Fitment for BMW F45 and Vehicle Placement

The presented BMW F45 Rear Left Door Window Seal is a component intended for installation in the rear part of the body, on the driver's side. The placement specified as Rear – Left clearly identifies the correct mounting position and helps avoid errors when selecting parts.

Proper fitment for the specific side of the vehicle is important for:

• correct adhesion to the window along the entire edge,
• maintaining the original body line in the door frame area,
• ensuring the door system's seal under conditions of rain, pressure washing, or high-speed driving.

Category: BMW Door Seals

This item belongs to the Door Seals category, which comprises components responsible for sealing, acoustics, and protecting the interior from external factors. For BMW vehicles, maintaining a high level of door operation refinement and reducing wind noise is particularly important, hence the correct selection of the weatherstrip directly impacts perceived driving comfort.

If you are looking for other BMW door seals, check out our dedicated offer: BMW Door Seals.

Product Characteristics and Application Benefits

The offered weatherstrip is an OEM part for the BMW brand, meaning it maintains the correct profile, stiffness, and material flexibility compared to the factory equipment. The use of original geometry translates to:

• secure window travel at the upper range of its operation,
• reduced risk of fogging and moisture around the window edges,
• limited wind noise in the vicinity of the rear left door,
• consistent visual appearance with other door trim elements.

The used condition allows for an economical restoration of the sealing system's functionality while maintaining compatibility with the original BMW F45 construction.

Practical Installation and Maintenance Tips

When replacing the window weatherstrip in the rear left door, it is advisable to pay attention to:

• checking the condition of the window guides and other door seals,
• thoroughly cleaning the door edges of deposits and corrosion before installation,
• testing the window operation after installation – smooth movement and no rubbing against body parts.

A correctly installed weatherstrip supports the long-term, stable operation of the window regulator mechanism and helps maintain the vehicle's interior in better condition for longer.

Environmental Aspect and Use of Used Parts

The use of a used door window seal aligns with the concept of responsible vehicle operation. By choosing a tested part from the secondary market, you reduce the consumption of raw materials and energy required for the production of a new part, while maintaining the full functionality of the door system.

If you want to learn more about the topic of conscious component selection and the impact of such decisions on the environment and vehicle performance, read the article: Eco-Tuning in Practice: How to Increase Performance While Reducing Carbon Footprint with Recycled Parts.