To reset the 2005 BMW 5 Series Maintenance Light, please follow these instructions:
1. Turn ignition on but do not start engine. 2. Press the RESET button on the top left side of the instrument cluster for 10 seconds to display a four (4) line menu in the speedometer. 3. Press the RESET button or LOWER AXIAL (FAS) button on the turn signal/high beam switch to scroll through the menu. 4. Select ENGINE OIL and press the RESET button for a few seconds to display a two (2) line menu in the tachometer. 5. Press the RESET (or AXIAL) button to select the SERVICE AND MAINTENANCE. 6. Press the RESET button again for a few seconds. 7. Turn the ignition off and start the engine to verify the indicator has been reset.