Mirror Glass BMW E90 E91 1 Electrochromic Auto Dip Heated Right O/S Wide Angle

Mirror Glass BMW E90 E91 1 Electrochromic Auto Dip Heated Right O/S Wide Angle is an original component from the Mirror Glass category, designed for precise integration with the factory-fitted exterior mirror. Thanks to the combination of electrochromic technology, heating, and an expanded field of view, it improves driving comfort and increases safety during the daily operation of a BMW 3 Series E90/E91.

Specifications and technical data

• SKU: 7144304-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7144304
• Substitutable numbers: 7144304, 51167144304, EM
• Location on the vehicle: Right
• Category: Mirror Glass

Purpose and functions of the mirror glass

The presented glass is dedicated to the right side of the vehicle, which ensures correct reflection geometry and compatibility with the factory mirror settings in a BMW. The applied wide-angle surface reduces blind spots, facilitating observation of the adjacent lane and lane-change maneuvers.

The auto dip function works with the mirror control system, allowing for automatic tilting of the glass when reversing. This facilitates precise parking near the curb and monitoring of the space along the side of the car without the need for manual mirror adjustment.

Electrochromism and heating – comfort and safety

Electrochromic glass dimming reduces glare from vehicles behind, especially at night and in heavy traffic conditions. The system automatically adjusts the level of dimming, improving image clarity and reducing driver eye fatigue.

The integrated mirror glass heating accelerates evaporation and defrosting of the surface in low temperatures and high humidity. As a result, the mirror maintains clarity in rain, fog, or during winter, which translates into stable visibility and better control of the vehicle's surroundings.

Compatibility, installation, and identification parameters

The original origin of the component ensures a perfect fit for the factory BMW mirror housing, the correct shape of the mounts, and compatibility with the electrical installation responsible for electrochromism, heating, and the auto dip function. The product has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration in service catalogs and parts selection systems.

The element belongs to the BMW Mirror Glass group, which means it has been designed to maintain factory optical and mechanical parameters. Consequently, no adaptation or modification of the mirror control system is required after replacement – the glass works seamlessly with the vehicle's existing systems.

Performance characteristics and condition

As a used part, the mirror glass offers a favorable compromise between cost and functionality, retaining key performance features: electrochromism, heating, and a wide angle of view. This is a particularly attractive solution for accident repairs or replacing damaged glass when the priority is to maintain the original specification within a reasonable budget.

Before installation, it is recommended to perform a standard check of the mirror's electrical system and ensure proper seating of the glass in the adjustment mechanism to fully utilize the auto dip functions and smooth position adjustment. A correctly installed component restores full functionality to the right exterior mirror in a BMW E90/E91.

Expanding the mirror system in a BMW

If you are planning a comprehensive repair or upgrade of the side visibility zone in your BMW and need other elements from the same group, such as additional inserts, glass with a different profile, or compatible control modules, check the available parts in the BMW Mirror Glass category.

When choosing elements from this group, it is worth considering whether a new or used part is a better solution – the differences in costs, durability, and availability are discussed in detail in the article Car parts – new or used? We compare costs, quality, and durability, which can help you make an informed purchasing decision.