BMW E46 Convertible Switch Panel Control Unit ASC Folding Top Button 8381279

The BMW E46 Convertible Switch Panel Control Unit ASC Folding Top Button with the ASC system button is an original component from the Switches, control elements and ignition locks group, designed for precise operation of the roof mechanism and traction control in the E46 convertible. This solution allows for maintaining electronic consistency with the factory BMW installation, ensuring convenient and clear control from the center console.

Specifications and technical data

• SKU: 8381279
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8381279
• Substitutable numbers: 8381279
• Category: Switches & Controls

Purpose and function of the panel

The presented control panel has been designed specifically for the BMW E46 Convertible version, where it is responsible for operating the folding roof and the ASC system button. It integrates functions related to driving comfort (opening and closing the roof) and safety (stability control system management) into a single unit, which facilitates intuitive vehicle operation.

As an element from the Switches, control elements and ignition locks category, the panel works with the vehicle's electrical system, transmitting signals to the appropriate control modules. Thanks to this, compatibility with factory BMW systems is maintained, without the need for additional adapters or wiring modifications.

Construction and integration with the BMW interior

The control unit combines the folding roof button and the ASC button in one compact body, adapted for installation in the E46 center console. The layout of the buttons is ergonomic, which facilitates operation while driving and allows the driver to react quickly to changing road conditions.

The original BMW design promotes proper fitment with other cockpit elements – the panel maintains the interior's stylistic line, and the appropriately selected material and finish ensure a consistent look with factory buttons and decorative trims. This is particularly important during repairs or interior restoration, where both functionality and aesthetics matter.

Application in service and repairs

The roof and ASC control panel will prove useful for:

• replacing a damaged or unresponsive panel in a BMW E46 Convertible,
• diagnosing faults related to the lack of response of the folding roof to commands from the cabin,
• restoring full functionality of the ASC system from the center console,
• comprehensive interior restoration of a convertible when maintaining the original control layout is required.

Thanks to the preservation of the factory design, installing the panel in place of the previous element is predictable and allows for reducing service time. This is a practical solution both for workshops specializing in the BMW brand and for users who care about the technical consistency of their car.

Condition, origin and benefits of choosing a used part

The offered panel is an original BMW component in used condition, which allows for maintaining compliance with the vehicle's factory specification while reducing repair costs. Compared to replacements, original solutions from this group ensure proper fitment to the electrical system and predictable behavior in daily operation.

Choosing a used control panel is particularly beneficial for older BMW generations, where access to proven, factory components is important, and at the same time, optimizing the service budget is essential. It is a reasonable compromise between OEM quality and vehicle maintenance costs.

Expanding knowledge and selecting other elements

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

When planning a service budget for a premium class car, it is worth knowing the advantages of original dismantled components – you can find more on this topic in the article Used parts for Mercedes – original dismantled parts, which discusses a practical approach to choosing OEM components from the secondary market.