MINI Cooper R55 R56 R60 R61 Ignition Key Reader Start Stop Switch Button

MINI Cooper R55 R56 R60 R61 Ignition Key Reader Start Stop Switch Button is a factory-original control element for the ignition system, designed for Mini R-series models. This black button from the Switches, control elements and ignition locks category allows for convenient engine starting and stopping, maintaining original functionality and a consistent interior look. It is a practical solution for users who want to restore the full efficiency of the factory start/stop system.

Specifications and technical data

• SKU: 9231739
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 9231739
• Substitutable numbers: 61359299332, 9299332, 61353449103, 3449103, 61359231739, 9231739, 66123423840, 3423840
• Part type: Push Button
• Color: Black
• Category: Switches & Controls

Purpose and function of the start/stop button

The offered button is a component of the ignition control system in Mini R-series vehicles, where the engine is started using a dedicated button instead of a classic key ignition. The component works with the vehicle's factory electronics, enabling:

• engine activation and deactivation after inserting the electronic key into the slot,
• preservation of the original start/stop system logic,
• intuitive operation without the need for installation modifications. As a result, replacing a worn or damaged button allows for restoring the proper operation of the starting system without interfering with other control modules.

Construction, color, and interior fitment

The button is finished in Black, ensuring consistency with the factory Mini cockpit styling. The dark color blends well with most dashboard trim variants, matching the other control elements perfectly. The element belongs to the Switches, control elements and ignition locks category, meaning it has been designed to work in the driver's immediate vicinity – with appropriate resistance to frequent pressing, temperature changes, and typical operational wear in the cabin.

Benefits of using an original Mini component

Using an original Mini start/stop button offers a number of practical advantages:

• Full compatibility with the electrical system – no need for wiring modifications or additional adapters.
• Factory-original appearance – maintaining the original design of the center console and ergonomics.
• Consistency with safety systems – proper cooperation with immobilizer systems and body control modules.
• Easier diagnostics – in case of any faults, the service can use standard manufacturer procedures. For users who value maintaining the factory configuration of the vehicle, this is a technically predictable solution that is convenient for future maintenance.

Condition, origin, and practical application

The item is offered as a used part, which allows for an economical repair of the starting system while maintaining the manufacturer's original specifications. This type of component is particularly useful when the existing button shows signs of mechanical wear, responsiveness issues, or visual damage affecting user comfort. Before installation, it is recommended to perform a standard check of the electrical system and the proper seating of the connector to ensure stable operation of the entire ignition control system.

Control system expansion and additional materials

If you are planning a comprehensive repair or upgrade of the control zone in your Mini and need other elements from the same group, such as function buttons, light switches, or ignition lock components, check out the available parts in the Mini Switches, control elements and ignition locks category. During service work, it is also worth ensuring the efficiency of the braking system – our blog guide will help you choose used components: Second-hand braking system: how to safely choose discs, calipers, and ABS?.