The contact owns a 2009 BMW 335I. The contact stated that the vehicle was repaired under NHTSA Campaign Number: 20V017000 (AIR BAGS); however, shortly after the vehicle was retrieved, the air bag warning light illuminated and remained illuminated. The cause of the failure was not yet determined. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The failure mileage was 102,000.