BMW F74 Gran Coupe Side Fixed Window Glass Glazing Rear Left N/S Tinted 5A3C0E1

BMW F74 Gran Coupe Side Fixed Window Glass Glazing Rear Left N/S Tinted is an original body component from the Car windows group, designed for installation in the rear left section of the vehicle. The tinted design improves passenger comfort by reducing interior heat and increasing privacy, while maintaining the factory geometry and fit characteristic of the BMW brand.

Specifications and technical data

• SKU: 5A3C0E1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A3C0E1
• Substitutable numbers: 51375A3C0E1, 5A3C0E1
• Location on the vehicle: Rear, Left
• Part type: Rear Side Window
• Category: Car Glass

Purpose and function of the rear left side window

The presented window is a fixed, non-opening element of the side bodywork in the BMW Gran Coupe model, mounted in the rear part of the body on the driver's side. It is responsible for reinforcing the side structure, maintaining the correct roofline, and ensuring a tight seal for the passenger compartment in the rear seat area. The rear – left placement ensures a precise fit to the specific side of the vehicle, which is crucial for maintaining airtightness, preventing wind noise, and ensuring proper compatibility with seals and trim strips.

Characteristics of the tinted BMW Gran Coupe window

The tinted rear left side window in the BMW Gran Coupe serves several important functional and aesthetic purposes:

• reduces the penetration of sunlight into the interior, improving thermal comfort for rear passengers,
• increases the level of privacy in the rear part of the cabin,
• supports the consistent, dynamic look of the side line characteristic of the Gran Coupe body,
• maintains the factory optics of the glass, which is important when combined with the vehicle's other windows. By maintaining the original glass specification, the window works with factory seals and frames, which facilitates installation and minimizes the risk of leaks.

Benefits of using an original used BMW window

Choosing an original, used rear left side window for a BMW Gran Coupe allows you to maintain consistency with other body components and avoid problems typical of aftermarket replacements. Factory glass is designed for a specific body, which means it:

• ensures a proper fit to the mounting opening and body components,
• maintains adequate side stiffness in the rear pillar area,
• reduces the risk of rattling and resonance while driving,
• allows for aesthetic alignment with trim strips and seals without additional modifications. The product in the Car windows category is a good choice for post-accident repairs, replacing damaged glass, or restoring the vehicle to its factory specification.

Installation zone and body fitment

The vehicle location defined as the rear left part of the body means that the window is intended exclusively for one specific mounting position. This is important for both the glass geometry and the angle of inclination relative to the roofline and side pillars. When selecting the component, it is worth paying attention to compatibility with the Gran Coupe body version to maintain the correct side line and proper adhesion to the seals. Original BMW glass is designed to work with factory mounting points and trim elements, which facilitates service work and shortens installation time.

Why choose original used parts for BMW

The automotive market is increasingly focusing on the conscious use of original parts from dismantling, especially in the premium car segment. In the case of body windows, this means the ability to maintain high-quality glass while reducing repair costs. You can read more about the trends related to the use of used OEM components in premium cars, such as BMW, in the article Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026. 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 door windows, quarter glass, or additional glass panels, check the available parts in the BMW car windows category.