Audi A4 B8 Front Wing Mirror Door Glass Insert Auto Dimming Left N/S 8K0857535E

Audi A4 B8 Front Wing Mirror Door Glass Insert Auto Dimming Left N/S is an original component designed for the precise replacement of a damaged mirror insert. Thanks to the auto-dimming function, it improves driving comfort and safety after dark by reducing glare from vehicles behind you. This solution will be particularly appreciated by drivers who regularly travel on rural roads and highways and expect stable performance from the factory system.

Specifications and technical data

• SKU: 8K0857535E-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0857535E
• Substitutable numbers: 8K0857535E, 8K0 857 535 E
• Location on the vehicle: Front, Left
• Category: Mirror Glass

Purpose and fitment for Audi A4 B8

The presented mirror insert is dedicated to the left front exterior mirror of the Audi A4 B8 generation. The vehicle placement, defined as front – left side, allows for the clear identification of the correct component when planning repairs or replacement. Using the original mirror glass ensures correct reflection geometry and compatibility with the factory adjustment mechanism and mirror components.

Auto-dimming function

The insert is equipped with automatic dimming technology, which dynamically reacts to the intensity of light coming from behind the vehicle. This system:

• reduces the glare effect from the headlights of other cars,
• improves image clarity in the mirror at night and in heavy traffic,
• supports comfortable, less tiring driving over long distances.

Thanks to this, the mirror glass maintains high functionality in both urban conditions and on high-speed roads, supporting safe observation of the vehicle's surroundings.

Technical characteristics and installation

The element is designed as an insert intended for installation in the factory mirror housing on the driver's side. The design, intended for the front left zone of the body, allows for maintaining the proper viewing angle and correct cooperation with the original adjustment system. In practice, this means:

• maintaining the factory field of view on the driver's side,
• consistency with the body line and styling of the Audi mirror,
• the ability to use the existing electrical installation responsible for the auto-dimming function.

The product comes from the Mirror glass group, which facilitates the selection of appropriate components in the case of comprehensive service of the exterior mirror zone.

Product condition and practical application

The mirror insert is a used item, which makes it an attractive solution for drivers looking for a reasonable compromise between cost and maintaining the original Audi specification. This type of component will work well both for standard replacement of damaged glass and for restoring the full functionality of the auto-dimming system after a collision or mirror failure.

Expanding the mirror system in Audi

If you are planning a comprehensive repair or upgrade of the exterior mirror zone in your Audi and need other elements from the same group, such as additional inserts, glass with a different finish, or compatible modules for other sides of the vehicle, check the available parts in the Audi mirror glass category.

For drivers interested in the wider use of used electronic components in the car, including modules responsible for controlling comfort functions, a guide on selecting and installing such elements may be useful – more information can be found in the article on used automotive electronics and the selection of modules and sensors.