Audi A4 B8 Rear View Interior Mirror Automatic Dimming 4PK 07S 8T0857511A

The Audi A4 B8's auto-dimming interior rearview mirror is a unique cabin feature designed to improve driving comfort and safety. Automatic dimming reduces glare from following headlights, resulting in stable visibility and reduced eye fatigue for the driver.

Specifications and technical data

• SKU: 8T0857511A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0857511A
• Substitutable numbers: 8T0857511A, 8T0 857 511 A
• Location on the vehicle: Rear
• Gearbox type: Automatic
• Category: Rear View Mirrors

Characteristics and purpose of the mirror

The Audi A4 B8 auto-dimming rearview mirror is mounted inside the vehicle, in the rear of the cabin, in the driver's central field of vision. Designed specifically for Audi models, it ensures proper alignment with the headliner, windshield, and other interior components.

Automatic dimming works using light intensity sensors that respond to changing lighting conditions behind the vehicle. This allows the mirror to automatically reduce glare without the driver having to manually adjust it. This feature is particularly useful when driving at night and on highways.

Functionality and benefits of automatic dimming

The built-in automatic dimming function provides a number of practical advantages in everyday use:

• Glare reduction – the mirror reduces the intensity of light from vehicles behind, improving visual comfort.
• Stable visibility – the image in the mirror remains clear, making it easier to assess the distance and speed of other vehicles.
• Maintenance-free operation – the system operates automatically, without the driver having to switch modes.
• Better cabin ergonomics – no need to manually adjust the mirror eliminates the risk of accidentally misaligning its position.

The mirror is designed to work with vehicles equipped with an automatic transmission, which is important when matching the equipment to the specific configuration of the car.

Original origin and condition of the item

This mirror is from the Audi range, ensuring factory-standard workmanship and compatibility with the vehicle's installation. The original mounting and housing geometry facilitate installation and ensure proper fit with the windshield and interior trim.

The item is offered in used condition . This means it may show signs of normal wear and tear, but retains the functionality required for continued use. For many users, this represents a reasonable compromise between original equipment quality and purchase price, especially when replacing a damaged mirror or restoring a car to its factory configuration.

Why choose this Audi rearview mirror

Choosing an original rearview mirror with automatic dimming is a solution that improves both driving comfort and safety. Compared to simple mirrors without this feature, drivers benefit from:

• Greater comfort when driving at night – less eye strain and better concentration on the road.
• Stylistic consistency of the interior – the mirror is visually matched to the dashboard and other elements of the Audi cabin.
• Factory integration – no need to modify installations or mountings, which reduces installation time and complexity.

This is a practical choice both for standard replacement of a damaged element and for upgrading the car interior to a more extensive version of equipment.

If you are looking for other Audi rear view mirrors to fit different models of this brand, check out our dedicated category: Audi rear view mirrors .

When planning a more extensive interior upgrade or upgrading your car's equipment, it's also worth considering other aftermarket components. For inspiration and practical tips, check out the article: The Best Used Parts for Tuning Your Car .