BMW X1 E84 Side Window Quarter Rear Right O/S Glass AS2 2991360

BMW X1 E84 Side Window Quarter Rear Right O/S Glass is an original component from the Car Windows category, designed for installation in the rear part of the body on the passenger side. Thanks to its factory manufacturing and AS2 marking, it ensures the appropriate level of light transmission and compliance with homologation requirements, which translates into safe and comfortable vehicle use.

Specifications and technical data

• SKU: 2991360
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2991360
• Substitutable numbers: 2991360, 51372991360
• Location on the vehicle: Rear, Right
• Category: Car Glass

Purpose and fitment for BMW X1 E84

The presented glass has been designed as a side element, mounted in the rear part of the body on the right side of the BMW X1 E84 model. This means that its shape, bending radii, and mounting method are adapted to the factory body dimensions, which facilitates installation and allows for maintaining a consistent look of the vehicle's side profile.

By maintaining the original geometry, the glass works with factory seals and moldings, minimizing the risk of leaks, rattling, or unwanted vibrations while driving. This is particularly important for glass components, which affect both acoustic comfort and the protection of the interior against external factors.

Technical characteristics of AS2 glass

Glass marked with the AS2 class meets the requirements for light transmission and mechanical resistance for side and rear windows. In practice, this means:

• appropriately selected light transmission, compliant with regulations for rear side windows,
• increased resistance to damage resulting from daily use,
• stable performance under temperature changes and UV exposure.

This type of glass helps maintain proper conditions inside the cabin, limiting interior heating and improving travel comfort for rear-seat passengers.

Used condition and economic benefits

The item is offered in used condition, which is a beneficial solution for users looking for factory quality at lower costs compared to new parts. The original glass from dismantling retains factory fitment parameters while allowing for reduced expenses when repairing collision damage or replacing cracked glass.

Choosing a used window is particularly cost-effective for older BMW X1 E84 units, where the priority is to keep the vehicle in good technical condition with a rational service budget.

Safety and functionality in the rear body zone

The rear side window has a significant impact on rear-quarter visibility, which is important when maneuvering, changing lanes, or parking. A correctly selected and installed glass element helps reduce blind spots and maintain a clear view in the rear part of the vehicle.

Its placement in the rear right part of the body means the glass contributes to the side structural rigidity and affects cabin sealing. Proper fitment with the bodywork and seals limits the ingress of water, dust, and noise, which translates into more comfortable long-term vehicle operation.

How to consciously choose original, aftermarket, and used parts

When selecting components such as side windows, it is worth considering not only the price but also the build quality, fitment for a specific model, and the method of identification by OEM and reference numbers. The differences between original, aftermarket, and used parts are discussed in detail in the article Original, aftermarket, or used – which car parts are the most cost-effective?, which helps in making a more informed purchasing decision.

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 door windows, quarter glass, or additional side glass panels, check the available parts in the BMW Car Windows category.