Also known as

Headlamp Switch

Light Control Element

Lighting Switch Block

Dash Light Switch

Master Light Switch

Rotary Light Switch

What this part does

The headlight switch acts as the primary control module for the exterior illumination systems on the vehicle. Located on the lower left side of the dashboard, it governs the operation of the low beams, parking lights, and automatic headlight functions. This switch assembly communicates directly with the Body Domain Controller (BDC) to activate the requested lighting circuits. When the internal contacts wear out or the integrated circuit board fails, it can cause headlights to flicker, remain stuck in the on position, or fail to respond to the automatic lighting sensor.

Fits these vehicles

OEM and interchange numbers

9388942

61319388942

Before you order

BMW utilizes several different switch variations for the 7 Series depending on the exact equipment fitted at the factory. Verify that the button configuration on this panel perfectly matches the unit being replaced, paying close attention to the presence or absence of front fog light buttons, night vision controls, or steering assistant toggles. While the physical installation is straightforward and typically does not require specialized module coding, you must clear any stored lighting control fault codes in the BDC using a diagnostic scan tool after replacing the unit.