1. Turn on the ignition without starting the engine.
2. Press and hold the "BC" button on your turn signal stalk.
3. While holding down the "BC" button, turn the ignition key to the "On" position.
4. Release the "BC" button.
5. The instrument cluster will display a menu.
6. Use the arrow buttons on your turn signal stalk to scroll to the "Service" menu.
7. Press the "OK" button to select the "Service" menu.
8. Use the arrow buttons to scroll to the "Reset brake pad wear indicator" option.
9. Press the "OK" button to reset the brake pad wear warning light.
If you do not have access to a diagnostic tool and are unable to reset the brake pad wear warning light following these steps, you should consult a certified BMW technician for assistance.