Start Stop Switch BMW F20 F21 F22 F30 F31 Engine Button 9250734

Start Stop Switch BMW F20 F21 F22 F30 F31 Engine Button is a factory engine start button designed for selected BMW F-series models, belonging to the Switches, control elements and ignition locks category. It is an original control component that allows for convenient starting and stopping of the engine without the use of a traditional key. The used button serves as a practical service solution when replacing a damaged or worn-out part in the vehicle.

Specifications and technical data

• SKU: 9250734-10
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9250734
• Substitutable numbers: 61319250734, 9250734
• Category: Switches & Controls

Purpose and function in the control system

The start/stop button plays a key role in the electronic engine starting system, working in conjunction with comfort and immobilizer modules in BMW F-series vehicles. This component is responsible for transmitting the control signal to the ignition and starting system, which enables the engine to start quickly once the key is detected in the vehicle. Using an original button ensures proper compatibility with the factory electrical installation and maintains the consistent logic of the system's operation.

Thanks to a design compliant with BMW factory standards, the button maintains the appropriate operating characteristics, including a tactile feel and clear confirmation of the press. This is important both from the point of view of ergonomics and vehicle operation safety.

Construction, ergonomics and cockpit integration

The Start Stop Switch is designed to be mounted in the center console or near the steering column, depending on the specific body version. Its shape and finish are matched to the interior styling of the BMW F-series, which allows for a consistent cockpit look after replacing the component. The markings on the button are clear, and the operating surface is adapted for frequent use.

The original construction ensures:

• proper fit with the factory control panel,
• stable mounting in the installation socket,
• secure connection to the vehicle's electrical harness.

Such a solution facilitates service and reduces the risk of looseness, unwanted noises, or problems with the button's operation during daily use.

Benefits of using an original BMW button

Using an original start/stop button to replace a damaged component allows you to maintain the factory operating parameters of the control system. This is particularly important in vehicles equipped with advanced electronic systems, where signal quality and proper communication with control modules have a direct impact on reliability. The used OEM component is a good alternative to aftermarket replacements because it was originally designed for specific BMW models.

The main advantages of this solution include:

• compatibility with the factory start/stop system without the need for installation modifications,
• preservation of the original interior aesthetics,
• consistent operation with other control elements in the cockpit.

Condition, service application and part selection

The item is offered as a used part, which allows for an economical repair of the engine control system while maintaining the manufacturer's original specifications. This type of button is particularly useful in situations where the existing component has suffered mechanical damage, wear and tear, or has stopped responding to presses. Replacing it with an original button from the same design group minimizes the risk of fitment and system operation issues.

Before purchasing, it is worth verifying the compatibility of the part with your specific BMW F-series model using the OEM part number and interchangeable numbers available in the technical specification. This allows you to precisely select the component for your vehicle's specific model year and equipment version.

Further upgrades within BMW control systems

If you are planning a comprehensive repair or upgrade of the engine control area in your BMW and need other components from the same group, such as function buttons, control modules, or electronic ignition locks, check out the available parts in the BMW switches, control elements and ignition locks category.

When performing service work on safety and control systems, it is also worth ensuring the efficiency of the braking system. For selecting used brake components, the following guide will be helpful: Second-hand braking system: how to safely choose discs, calipers and ABS?, where you will find practical tips on safely selecting parts in a used parts store.