1999 BMW 528

The top covers have 2 caps that are pried out and under those caps are 10mm nuts that hold the cover on. To reset the service interval indicator, get in the car and close the door. Push and hold the button that is on the left side of the instrument cluster whilst turning the ignition to the first position that lights the instrument cluster. As the display begins to flash, release and immediately push and hold the button again, then when the display changes, release and immediately push and hold the button again, then when the display again changes, release and push the button one more time, when you release the button after this step, it has been reset.