BMW 3 5 7 Series E38 E39 E46 Switch ASC Automatic Stability Control 8363694

BMW 3 5 7 Series E38 E39 E46 Switch ASC Automatic Stability Control is a factory-original traction control system component, designed for BMW models equipped with an automatic transmission. This used switch from the Switches, control elements and ignition switches group allows for convenient, precise management of the ASC system from the cockpit, while maintaining the original interior ergonomics.

Specifications and technical data

• SKU: 8363694
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8363694
• Substitutable numbers: 61318363694, 8363694, 61318352251, 8352251, AS
• Gearbox type: Automatic
• Category: Switches & Controls

Function and application of the ASC switch

The ASC switch is responsible for controlling the traction control system in BMW E38, E39, and E46 series vehicles. It allows the driver to quickly enable or disable the stability assistant, which is particularly useful in situations requiring a more direct drivetrain response, for example, when starting on slippery surfaces or during service maneuvers.

Thanks to the preservation of the original design and operating logic, this component works with the factory electrical installation and control modules, ensuring consistent operation with the vehicle's other systems. This solution is recommended wherever compatibility with factory equipment and predictable traction system behavior are important.

Compatibility with automatic transmission

The presented ASC switch is intended for vehicles with an automatic transmission. This means that its operating characteristics and method of integration with the vehicle's electronics are adapted to the logic of the automatic gearbox, including cooperation with systems responsible for gear selection and wheel slip control.

In practice, this translates into stable traction system operation during gear changes, smooth reactions to loss of grip, and the maintenance of driving comfort typical of BMW automatic transmissions. Choosing the correct type of switch is crucial for avoiding communication errors with control modules and unwanted messages on the instrument cluster.

Characteristics of the used component

The offered ASC switch is a used part, meaning it comes from vehicle dismantling and has been verified for further use. This type of component is a good choice for users who want to maintain the original character of their BMW interior while optimizing the costs of repair or replacement of the control element.

A used switch from this group retains the factory fitment with the center console and serial function markings, so installation does not require panel modifications or additional alterations. It is a practical solution when replacing a damaged button, dealing with unresponsive clicks, or restoring the control system in older BMW models.

Benefits of using the original ASC switch

• Consistency with the factory traction system – the switch works with the ASC system designed for the specific BMW generation, without the need for adaptation.
• Original cockpit ergonomics – maintaining the serial look of the control panel and intuitive access to traction control functions.
• Service cost optimization – a used component allows for economical repair while maintaining operating parameters consistent with the manufacturer's specifications.
• Direct system operation – quick enabling and disabling of the ASC from the dashboard, without interfering with the software.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the assistance system control zone in your BMW and need other elements from the same group, such as traction function buttons, light switches, or ignition modules, check the available parts in the BMW Switches, control elements and ignition switches category.

When performing service work on vehicle safety and stability systems, it is also worth taking care of the condition of the braking system. Practical tips on selecting used components, such as discs, calipers, or ABS elements, can be found in the article: Second-hand braking system: how to safely choose discs, calipers, and ABS?.