BMW Mini Cooper One R52 Interior Mirror EC / Radio 433 MHZ Auto Dim 9125576

The Mini Cooper / One R52 electrochromatic interior rearview mirror with auto-dimming and integrated 433 MHz radio module is a factory-fitted interior accessory designed to work with the vehicle's electrical system. This component provides robust functionality, improves driving comfort after dark, and reduces glare from following vehicles.

Specifications and technical data

• SKU: 9125576
• Mark: Mini
• Condition: Used
• OEM Part Number: 9125576
• Substitutable numbers: 51169134377, 9134377, 51167128732, 7128732, 51169125576, 9125576, EM
• Category: Rear View Mirrors

Purpose and function in the vehicle

This electrochromatic interior mirror for the Mini R52 was developed as a driver safety and comfort feature. Automatically dimming the mirror surface reacts to intense light from behind the vehicle, reducing glare and improving visibility.

The built-in 433 MHz radio module is designed to work with vehicle systems, consistent with the Mini's factory configuration. The use of the original OEM design ensures proper communication with the vehicle's electronics and long-term stable operation.

Construction and technical characteristics

This mirror is a rearview mirror, mounted on the upper part of the windshield. The body is designed to integrate with the headliner and mounting cover, creating a cohesive visual element of the Mini's interior.

• Electrochromic surface – automatic dimming in response to light from behind the vehicle.
• Integrated 433 MHz radio module – designed to work with Mini vehicle systems, in accordance with factory specifications.
• Original Mini design – matched to the windshield geometry and cabin ergonomics.

This combination of functions allows for consistency with factory equipment and reduces the risk of compatibility issues typical of universal replacements.

Condition, origin and service use

This item is offered as a used part, sourced from a dismantled Mini vehicle. This means the mirror shows signs of normal wear and tear but retains the functionality required for continued use in the vehicle. For workshops and service centers, this represents a cost-effective solution while maintaining the original factory design.

In practice, this type of mirror is used in two main scenarios:

• as a direct replacement for a damaged mirror in a Mini Cooper / One R52,
• as an element restoring the original equipment after a collision or windshield replacement.

The use of an original interior mirror with an auto-dimming function allows for the consistency of comfort and safety systems, as well as maintaining the aesthetics of the interior in line with the manufacturer's design.

Benefits of installing an original Mini mirror

Choosing an original Mini electrochromatic mirror instead of a universal replacement brings a number of practical benefits:

• Factory fit – correct angle, shape and mounting method for easy installation and daily adjustment.
• Compatibility with vehicle electronics – the mirror is designed to work with the Mini installation, which promotes stable operation of the radio module and the auto-dimming function.
• Better ergonomics for night driving – automatic dimming reduces eye fatigue and improves driving comfort.
• A reasonable cost-quality compromise – a used OEM component allows for lower repair costs while maintaining the design intended by the manufacturer.

Matching, identification and safe purchase

To select the right mirror for your specific Mini, it's worth verifying compatibility with the vehicle's equipment and comfort system configuration. It's helpful to compare the mirror type, auto-dimming feature, and radio module with the factory-installed part.

If you want to learn more about how to verify the compatibility of used parts step by step, check markings and safely complete your online transaction, follow the advice in the article Safely buying used car parts online – a step-by-step guide .

If you are looking for other rearview mirrors for Mini, check out our dedicated offer: rearview mirrors for Mini .