BMW E91 E91N LCI Fixed Door Window Rear Right O/S AS2 7119942

BMW E91 E91N LCI Fixed Door Window Rear Right O/S AS2 is an original component from the Car windows category, designed for the rear right body section of BMW 3 Series E91/E91N models. Thanks to its factory-fit design, it ensures proper sealing, stable window operation, and maintains the original rigidity of the door frame.

Specifications and technical data

• SKU: 7119942
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7119942
• Substitutable numbers: 51357119942, 7119942
• Location on the vehicle: Rear, Right
• Category: Car Glass

Purpose and function of the component

The rear right door window triangle is responsible for the stable seating of the side window and its correct guidance within the tracks. In practice, this means:

• maintaining the proper geometry of the door frame in the rear part of the body,
• reducing vibrations and window play while driving,
• working with seals to minimize noise and air drafts.

For the E91/E91N estate body, using a dedicated window triangle is important for both acoustic comfort and the durability of the window lifting mechanism.

Why choose an original BMW window triangle

This component from the BMW line has been designed for the specific construction of the rear door, which translates into:

• precise fitment with the door frame and window without the need for modifications,
• maintaining the factory body line and proper seal adhesion,
• compatibility with existing door mounts and fittings.

Such a fit reduces the risk of leaks, rattling, or improper window operation, which often occur with non-dedicated parts.

Installation characteristics and area of application

The window triangle is designed for installation in the rear right part of the body, within the passenger door area. In practice, this means:

• operation in an area exposed to temperature changes and humidity,
• cooperation with the side window and door sealing,
• impact on the comfort of rear-seat passengers in terms of noise and airtightness.

Selecting the right component for this area is crucial, especially after collisions, window replacement, or body and paint repairs, where restoring the original door geometry is essential.

Condition and benefits of choosing a used OEM component

The offered window triangle comes from the BMW parts group and is listed as used, which allows you to combine factory fitment with a more favorable purchase cost. In many cases, this choice is more cost-effective than installing a replacement part of uncertain geometry and build quality.

If you want to better understand when choosing a used original part makes sense, the article describing practical criteria for selecting parts will be helpful – check out the material: 5 reasons why a used OEM part is a better choice than a replacement.

Comprehensive approach to BMW windows and glazing elements

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

When planning broader service work, it is also worth knowing which consumable components in the car most often require replacement – you will find a practical summary in the guide: TOP 10 most frequently replaced parts in your car.