BMW G20 Quarter Window Glass Side Door Rear Left N/S AS3 Black 7425087

BMW G20 Quarter Window Glass Side Door Rear Left N/S AS3 Black is an original body component from the Car Windows category, designed for installation in the rear door on the driver's side. The dark, black trim finish ensures a consistent look with the factory window line and seals, while also supporting acoustic and visual comfort inside the vehicle.

Specifications and technical data

• SKU: 7425087
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7425087
• Substitutable numbers: 7425087, 51727425087
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Car Glass

Purpose and fitment

The presented quarter window glass is designed specifically for the rear section of the BMW G20 series body, on the left side. Its placement in the rear side glazing area ensures that this component is responsible for proper cabin illumination, maintaining door frame rigidity, and ensuring the correct fitment of seals and trim strips.

The black color of the trim is consistent with BMW's factory styling, allowing for an aesthetic integration of the glass into the body line without the need for additional modifications. As a result, replacing a damaged component does not disrupt the vehicle's original appearance.

Construction and performance features

The AS3 glass is a solution intended for side applications, where both optical parameters and adequate resistance to operational stress are essential. The construction ensures:

• stable seating in the rear door frame on the left side,
• proper cooperation with seals and masking strips,
• a visually consistent side window line while maintaining factory proportions.

The black finish helps reduce light reflections at the edges and improves the visual "closure" of the window line, which is particularly important in modern bodies with clearly defined side graphics.

Characteristics of the used component

As a used component, the glass retains the original geometry and fitment intended by the vehicle manufacturer. This is a practical solution for post-accident repairs or replacing damaged glazing when you want to maintain factory specifications without resorting to aftermarket replacements of unknown origin.

A used rear left quarter window glass allows for optimized repair costs while maintaining a high level of installation compatibility and aesthetic harmony with other body components.

Application in repairs and upgrades

This component is suitable for both standard replacement of damaged glass and comprehensive restoration of the side body section of the BMW G20. By maintaining the original form and trim color, it is possible to precisely recreate the factory line, which is important for body and paint repairs as well as preparing the car for sale.

If you are planning a comprehensive repair or upgrade of the side glazing zone in your BMW and need other components from the same group, such as rear door windows, quarter windows, or additional glazing elements, check the available parts in the BMW Car Windows category.

Safety of choosing used glass

When selecting used body components, including glass, it is worth considering not only the price but also the origin and compatibility with the specific vehicle generation. To better assess when purchasing a used component is a reasonable solution and when it is better to consider other options, check out our guide: Renovation and repair of German cars: which used parts are worth buying and which should be avoided?.