Start Stop Switch BMW G30 G31 LCI Engine Button 7948012

Visual condition of the part

The product shows signs of use visible in the photos.

Start Stop Switch BMW G30 G31 LCI Engine Button is an original engine start button from the Switches, control elements and ignition locks category, designed for the BMW 5 Series G30/G31 generation after the facelift (LCI). This used OEM component ensures factory compatibility with the vehicle's electrical system and a consistent look with other cockpit components.

Specifications and technical data

• SKU: 7948012
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7948012
• Substitutable numbers: 7948012, 51417948012
• Category: Switches & Controls

Function and application of the Start/Stop button

The Start/Stop button is responsible for controlling the engine start and stop procedure in the BMW G30/G31 LCI, working in conjunction with the electronic comfort access system and engine control modules. This component is mounted in the center console or dashboard panel, providing quick and convenient access for the driver.

By maintaining the original BMW design, the button retains the correct operating characteristics, proper travel, and tactile feedback, which translates into precise ignition system control and ease of use in daily operation.

Construction and integration with the BMW electrical system

The Start Stop Switch BMW G30 G31 LCI Engine Button is factory-adapted to work with the wiring harness and control modules used in this generation of the 5 Series. This ensures:

• an original electrical connector matched to the BMW installation,
• correct signal assignment to the engine control system,
• consistent operating logic with comfort access and steering column lock functions.

The original button from this group ensures proper cooperation with the vehicle's electronics, minimizing the risk of bus communication errors and starting problems.

Benefits of using an original BMW switch

Using a factory Start/Stop button in the BMW G30/G31 LCI allows for full functionality of the engine starting system without the need for any modifications to the installation. Key advantages include:

• preservation of the original interior aesthetics and fitment to the control panel,
• compatibility with factory control modules and BMW software,
• stable operation under daily usage conditions,
• possibility of direct replacement of a damaged component within the same parts group.

A used OEM component is a sensible choice for users who want to restore full efficiency to the engine starting system while maintaining factory operating parameters and reducing repair costs.

Condition and service purpose

The Start Stop Switch BMW G30 G31 LCI Engine Button is offered as a used part, intended for service and repair applications in BMW 5 Series G30/G31 generation vehicles after the facelift. This type of component is particularly useful when replacing a damaged button, addressing issues with button response, or restoring the cockpit control panel.

Thanks to the preservation of the original manufacturer's specifications, this element allows for direct replacement of the factory switch, without the need for mechanical or electrical adaptation.

If you are planning a comprehensive repair or upgrade of the engine control area in your BMW and need other elements 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.

If you are considering a wider use of premium used components in your car and want to better understand how to combine savings with high quality, it is worth reading the article Used parts for Mercedes – original parts from dismantling, which discusses a practical approach to selecting components from the secondary market.

For drivers interested in improving the character of their car while maintaining reasonable costs, the guide tuning with used parts – how to gain performance without spending a fortune, which describes the safe use of used elements in modification projects, may also be an inspiration.