BMW X1 E84 Door Window Glass Rear Left N/S Side Tinted Black AS3 2990389

BMW X1 E84 Door Window Glass Rear Left N/S Side Tinted Black AS3 is an original body component designed for the rear left door area of the BMW X1 E84 generation. The AS3-grade tinted side window provides better optical comfort, reduces interior heating, and improves passenger privacy, while remaining compliant with the manufacturer's factory specifications. It is a practical solution for users who want to maintain a consistent vehicle appearance after repairs or replacing a damaged window.

Specifications and technical data

• SKU: 2990389
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2990389
• Substitutable numbers: 51352990389, 2990389
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Car Glass

Purpose and fitment for BMW X1 E84

The presented window has been designed specifically for installation in the rear left door of the BMW X1 E84, which guarantees a proper fit with the door frame, seals, and lifting mechanism. This ensures that the correct body geometry, airtightness, and proper operation of the window regulator are maintained. The component comes from the Car windows line, which means it complies with the safety and durability requirements used in the automotive industry.

Technical and optical characteristics

The side window is tinted to the AS3 standard, which means increased light transmission reduction compared to clear glass. This type of glass:

• reduces glare and improves visual comfort for passengers,
• limits the heating of the vehicle interior on sunny days,
• supports the protection of upholstery elements against fading.

The black color scheme allows for maintaining a consistent, factory look of the side window line, especially in versions with styling packages or darker body finishes.

Condition of the component and benefits of choosing a used part

The window is an aftermarket component, which allows for significantly lower repair costs while maintaining original manufacturing quality. A used OEM part is a sensible choice for drivers who expect:

• factory fitment to the bodywork and seals,
• retention of original optical and mechanical parameters,
• more economical repair compared to new replacements.

If you are planning broader bodywork and paint repairs or replacing several glazing elements, it is worth considering selecting other windows from the same group to maintain a uniform level of tint and a consistent look for the entire vehicle.

Function in body structure and safety

The rear left door window plays an important role in the lateral stiffness of the body and in passenger protection. A correctly selected and installed component:

• ensures proper side visibility for passengers and the driver,
• maintains proper acoustic tightness and reduces outside noise,
• works in conjunction with passive safety systems, such as curtain airbags.

Thanks to the use of glass compliant with the AS3 standard, the window meets the requirements regarding mechanical resistance and material behavior in the event of damage, which is significant for the safety of vehicle users.

Integration with other components and additional information

As a part intended for a specific BMW model, the window works with factory guides, seals, and door fittings, which facilitates installation and reduces the risk of leaks. By choosing original side glass, you maintain visual consistency with the other windows, which is especially important for vehicles serviced according to the manufacturer's guidelines.

If you are planning a wider modernization or repair of the vehicle and want to better understand the impact of choosing used parts on the car's character, it is worth reading the blog article on the evolution of construction and the selection of parts in sports hatchbacks using the example of the VW Golf GTI, which shows how properly selected body and equipment elements affect vehicle operation.

For users looking for further glazing elements or other body components, the category Car windows{data-blogs=category} will also be useful, where you can find related parts matched to various models and vehicle configurations.