BMW X3 E83 Rear Right Door O/S Side Window Glass Black AS3 3401866

BMW X3 E83 Rear Right Door O/S Side Window Glass Black AS3 is an original component from the Car windows group, designed for the rear right side of the vehicle body. The tinted glass with a high optical class ensures driving comfort, reduces interior heating, and improves the aesthetics of the vehicle's side profile. This is a solution for users who expect factory-fit precision and a consistent look for all the glazing on their BMW X3 E83.

Specifications and technical data

• SKU: 3401866
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3401866
• Substitutable numbers: 51363401866, 3401866
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Car Glass

Purpose and fitment for BMW X3 E83

The presented glass is dedicated to installation in the rear right section of the BMW X3 E83 body, which guarantees proper fitment with the door frame and seals. The vehicle placement, defined as rear – right side, eliminates universality issues and allows for precise identification of the part during body repairs or when replacing damaged glass.

Its original BMW OE origin means that the correct glass geometry, appropriate bending radius, and compatibility with factory guides and window lifting mechanisms are maintained. As a result, installation is predictable, without the need for additional modifications or adjustments to the component.

Characteristics of the tinted glass

The glass meets the requirements for light transmission and safety for use in side body zones. The tinted surface limits the amount of solar radiation entering the cabin, which improves thermal comfort for rear-seat passengers and reduces upholstery fading.

The tint also enhances privacy inside the vehicle, making it harder to see into the cabin from the outside while maintaining adequate visibility from the inside. This is a practical solution for users who frequently carry luggage on the back seat or value a discreet look for their car.

Color scheme and body integration

The glass is finished in a shade defined as black, which in practice means a dark, contrasting glass border matched to the styling of the BMW X3 E83. This type of finish allows for an aesthetic connection with seals, pillars, and other elements of the side body, creating a visually cohesive strip of glazing.

A glass configured in this way blends well with both light and dark body paints, emphasizing the side line of the SUV and maintaining the characteristic, dynamic look of the X3 E83 model.

Use of pre-owned glass

The item comes from the used car windows segment, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. For many users, this is a reasonable compromise between quality and budget, especially for post-accident repairs or replacing a single piece of glass.

Choosing used OEM glass reduces the risk of fitment issues typical of aftermarket replacements with universal geometry. You receive a component with parameters consistent with factory standards, ready for installation in the rear right door window position.

OEM safety and additional information

If you want to better understand why original OEM components – even from the secondary market – are a beneficial choice in terms of safety and durability, it is worth reading our guide: Quality assurance and OEM safety – why used original car parts are the best choice for your car?. The article explains how selecting the right components affects vehicle operation and service costs.

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