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

The BMW E38 E39 E46 ASC Switch is a factory traction control system switch designed for BMW models equipped with an automatic transmission. This used switch from the Switches, Controls, and Ignition Switches group allows for the restoration of proper ASC function without the need for unreliable aftermarket alternatives. It's a practical solution for users who expect robust electronic system performance in their BMW.

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

Purpose and Function of the ASC Switch

The ASC switch is responsible for convenient, manual control of the traction control system within the vehicle's cabin. Located in the center console or control panel, it allows for quick activation or deactivation of traction-assisting functions, which is particularly important during dynamic driving, starting on slippery surfaces, or during maneuvers requiring precise power delivery.

In BMW vehicles with automatic transmissions, a properly functioning ASC switch supports driving stability by working in conjunction with the drivetrain electronics and safety systems. This ensures the driver maintains full control over the car's reaction to loss of grip, with intuitive and repeatable system operation.

Compatibility with BMW E38, E39, E46

The BMW E38 E39 E46 ASC Switch is designed for specific generations of BMW 5, 7, and 3 Series, ensuring a proper fit with factory wiring harnesses and control panels. This means:

• maintaining original cabin ergonomics,
• a cohesive look with other cockpit elements,
• correct integration with the vehicle's electronics.

Consequently, installing the switch does not require modifications to the wiring or dashboard structure, which is especially important for users who wish to preserve the original interior character.

Benefits of Using an Original Control Element

Choosing a used, original ASC switch for your BMW is a solution that combines reasonable costs with the preservation of the system's factory operating parameters. An element from this group ensures:

• consistent operation with safety and drivetrain systems,
• appropriate indication of the ASC system status on the control panel,
• stable performance under typical vehicle operating conditions.

For drivers who expect predictable car behavior on slippery surfaces, a functional ASC switch is an important complement to the electronics responsible for traction and stability.

Application in Vehicles with Automatic Transmission

In BMW models with automatic transmissions, the ASC system interacts with the gear shifting logic, influencing how torque is delivered to the wheels. A functional switch allows the driver to consciously decide on the system's activity, which is significant during:

• starting on snow or wet surfaces,
• exiting deep mud or ruts,
• precise maneuvers in confined spaces.

This enables the driver to better adapt the car's behavior to current road conditions, utilizing the capabilities of the automatic transmission and traction-assisting systems.

Expanding Control Systems in BMW

If you are planning a comprehensive repair or upgrade of the electronic control systems area in your BMW and need other components from the same group, such as function buttons, control modules, or additional switches, check the available parts in the BMW Switches, Controls, and Ignition Switches category.

When working on safety and stability systems, it's also important to ensure the proper functioning of components responsible for braking and trajectory control. To better understand how to responsibly choose used brake system components, consult the guide: Used Brake Systems: How to Safely Choose Discs, Calipers, and ABS?.