BMW E90 320si Engine Start Stop Button Ignition Limited Edition Black 9111941

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E90 320si Engine Start Stop Button Ignition Limited Edition Black is an original component from the Switches, control elements and ignition locks group, designed for ignition operation in the sporty 320si version. The black finish of the button emphasizes the discreet, technical character of the interior and maintains consistency with the factory BMW cockpit styling. This is a solution for drivers who want to restore full functionality of the engine start system while maintaining the proper quality standard.

Specifications and technical data

• SKU: 9111941-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9111941
• Substitutable numbers: 61319111941, 9111941
• Color: Black
• Category: Switches & Controls

Technical characteristics and purpose

The presented start/stop button is an ignition control element, mounted in the center console or in its immediate vicinity, in accordance with the factory BMW design for the E90 320si model. As a part from the Switches, control elements and ignition locks group, it is responsible for initiating the engine start and stop procedure after the key is recognized by the vehicle's system. The button's design is adapted to the factory electrical harness and control modules, which allows for maintaining proper communication with the car's electronics.

The black color scheme of the housing and the button's operating surface ensures a neutral, subdued fit for most BMW E90 interior configurations, both in more classic and sporty versions. Thanks to this, the element does not introduce visual deviations from the original cockpit design.

Construction, ergonomics and aesthetics

The button has been designed with repeatable, daily use in mind, which is why the pressure applied by the driver is transferred to the internal mechanism in a way that ensures a perceptible but smooth travel. The appropriately selected spring stiffness allows for reliable activation of the ignition function without the need for excessive force. The smooth, black operating surface makes it easy to keep the element clean and limits the visibility of minor dirt.

The start/stop function markings are arranged in a way that is clear to the driver, which promotes intuitive operation even when reaching for the console quickly. Using a consistent color scheme with other control elements in the BMW E90 320si allows for maintaining a uniform, orderly look of the center panel.

Functionality in the ignition system

The button works with the factory electronic system responsible for key authorization and management of the start procedure. After safety conditions are met (e.g., presence of the key, appropriate position of control elements), pressing the button initiates the engine start sequence, and using it again allows for its shutdown. Thanks to this, the driver receives a convenient, modern way of operating the ignition, characteristic of higher BMW equipment versions.

The element is intended for integration with the existing vehicle installation, which allows for maintaining the original logic of the start/stop system without the need for modifying controller software. This solution is particularly beneficial when replacing a worn or damaged button in vehicles used on a daily basis.

Condition, origin and practical application

The offered button comes from dismantling, which means it is a part of factory origin, adapted to real operating conditions in a BMW. Such components are eagerly chosen by users who want to maintain the original vehicle specification, avoiding replacements with uncertain parameters. Replacing the button with an element from the same construction group allows for reducing the risk of problems with fitment and the operation of onboard electronics.

Choosing a used, original switch is also a cost-effective solution, while maintaining the proper standard of workmanship. This is a practical option both for current repairs and for restoring the completeness of equipment in vehicles being prepared for further operation.

Integration with other BMW control elements

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

In the context of selecting used control components and other sub-assemblies, it is also worth familiarizing yourself with practical tips regarding the selection of original elements from dismantling in premium class vehicles – this is discussed more broadly in the article on using used parts in Mercedes-Benz cars, which covers universal issues related to the profitability and functionality of such solutions.

If you are interested in the broader ecological and economic context of using recycled components, the material dedicated to the benefits of choosing used car parts, describing the impact of such decisions on the environment and the vehicle's operating budget, may also be helpful.