BMW:VARIOUS ELECTRICAL SYSTEM FAILURES WHICH OCCURRED WHILE DRIVING: A/C STOPPED WORKING; FUEL GAUGE DISPLAY IS IMPLAUSIBLE (SHOWS EMPTY); REAR WINDOWS ONE TOUCH FUNCTION IS INOPERATIVE; WINDSHIELD WIPERS ARE WORKING WITH BEING SWITCHED ON; AND VARIOUS WARNING LIGHTS ARE ILLUMINATED ON THE INSTRUMENT PANEL. MODEL YEARS UNKNOWN. *PE