CENTRAL INSTRUMENT PANEL LED SURROUND RING DOES NOT ILLUMINATE WHEN IGNITION IS TURNED ON: This Service Information Bulletin (Revision 2) replaces SI M62 01 19 dated January 2019.The central instrument's outer perimeter LED ring (arrows) does not illuminate when switching on the ignition or with the engine start-stop button. It only illuminates after direct actuation of a component (e.g. setting the temperature radio volume etc.). F57 shown; other models similar Software error in the Automotive Pixel Link driver (APIX driver). APIX is the serial high-speed Gigabit multichannel link that connects displays such as the LED ring with vehicle control modules.
