Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450545

Visual condition of the part

The product shows signs of use visible in the photos.

Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch is a factory-original component from the Interior Lighting group, designed to control interior lighting in Mini models with a convertible roof. The original design ensures proper integration with the vehicle's electrical system and consistent operation with other comfort modules. This is the ideal solution for users looking to restore full functionality to the roof panel while maintaining compliance with factory specifications.

Specifications and technical data

• SKU: 3450545-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 3450545
• Substitutable numbers: 61313450545, 3450545
• Category: Interior Light Assemblies

Purpose and function in the interior lighting system

The roof operating unit in the Mini Cooper R57/R57N LCI is responsible for managing interior lighting functions in the upper cabin area. The panel integrates light control within the headliner area, allowing for convenient lighting management for both the driver and passenger. By using an original solution, the correct logic of light operation is maintained, including seamless cooperation with other electrical system components.

Construction and fitment for Mini Cooper R57/R57N LCI

The presented unit has been designed specifically for the R57 and R57N facelift (LCI) versions, which ensures a precise fit to the headliner and roof console. The panel's design accounts for the characteristic button and switch layout used in this generation of Mini, meaning installation requires no interior modifications or mounting adaptations. Original electrical connectors allow for plug-and-play connection to the factory wiring harness, reducing the risk of installation errors.

Condition, verification, and service application

This item comes from the used Mini parts market, allowing for an economical repair of the interior lighting system while maintaining original build quality. This type of roof panel is particularly useful in situations where the existing light switch has suffered mechanical damage or there are issues with interior lighting control. Using an original operating unit simplifies diagnostics and eliminates common problems associated with incompatible aftermarket replacements.

Benefits of using the original operating unit

Using a factory roof panel in the Mini Cooper R57/R57N LCI provides:

• consistent operation with the vehicle's existing electrical system,
• proper interior lighting control in accordance with manufacturer standards,
• aesthetic integration with the interior finish,
• the ability to restore full functionality without interfering with the wiring harness.

For workshops and individual users, this means faster repairs and a reduced risk of recurring service interventions. Combined with proper electrical system diagnostics, the panel is an effective solution for interior lighting issues.

If you are planning a comprehensive repair or upgrade of the interior lighting zone in your Mini and need other components from the same group, such as ceiling lights, control modules, or additional switches, check out the available parts in the Mini Interior Lighting category.

Technical support and additional materials

When working with vehicle lighting systems, it is worth paying attention to general principles for selecting and replacing lighting components. Practical tips on working with headlights, ballasts, and other lighting installation elements can be found in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which helps organize knowledge on the safe handling of lighting systems.

If you want to reduce your car's downtime at the service center and better plan repairs using verified components from a single source, you may also find the material No more waiting for weeks – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic? helpful, as it describes a practical approach to used parts logistics.