1999 BMW 540I Electronic Stability Controlautomatic Asc Problems

THE DRIVER OWNS A 1999 BMW 540I WITH 72,579 MILES. OVER THE PAST TWO MONTHS THE DISC BMW ELECTRONIC STABILITY CONTROL SYSTEM ICON AND THE AMBER ABS AND BRAKE LIGHTS ILLUMINATED IN ONE OF TWO SCENARIOS: (1) JUST AFTER A NEW IGNITION CYCLE, (2) DURING NORMAL DRIVING. ONCE THESE WARNINGS ILLUMINATED THE DSC, ABS, AND TRACTION CONTROL SYSTEMS BECOME NON-FUNCTIONAL. UNTIL RECENTLY, THE WARNINGS WOULD GO OUT AFTER 5-10 IGNITION CYCLES. NOW THEY WERE ON CONTINUOUSLY.*AK NEXT TO SEATBELTS, I STRONGLY BELIEVE ESC IS THE MOST SIGNIFICANT DEVELOPMENT IN AUTOMOTIVE SAFETY. AS SUCH, I FIND IT VERY DISCONCERTING THE SYSTEM ON MY VEHICLE HAS MALFUNCTIONED. RESEARCHING THE TOPIC ON THE VARIOUS BMW FORUMS HAS LEAD ME TO BELIEVE MY SITUATION IS NOT AN ISOLATED ONE; THAT MANY MODEL YEAR 1999-2000 5-SERIES BMWS HAVE ALSO BEEN AFFECTED. ESC MALFUNCTIONS CAN HAVE VERY NEGATIVE IMPACT ON VEHICLE SAFETY. IN JUSTIFYING THE RATIONALE...