1997-2000 BMW 5 Series Central Lock Switch

Also known as

Power Lock Switch

Door Lock Switch

Central Locking Button

Master Lock Switch

Console Lock Button

What this part does

The central lock switch allows occupants to lock and unlock all vehicle doors, the trunk, and the fuel door simultaneously from inside the cabin. In the BMW E39, this component is mounted directly on the center console, positioned next to the hazard light button. It operates by sending a momentary ground signal to the vehicle's General Module (GM3), which commands the individual door actuators. When this switch fails, usually due to internal contact wear or liquid damage, you lose the ability to secure the doors from the center console and must rely on the key fob or manual door pins.

Fits these vehicles

Before you order

Because of its location on the center console, this switch is highly susceptible to damage from spilled beverages. Before installing the replacement, inspect the wiring harness connector on your vehicle for sticky residue or green copper corrosion, which must be cleaned for the new switch to function reliably. Verify that the retaining clips on your center console bezel are intact, as this switch snaps directly into the trim piece. This is a purely mechanical electrical switch and does not require programming or coding to the vehicle's modules after installation.