One problem related to warning light on has been reported for the 2009 BMW 528. The most recently reported issues are listed below.
The contact owns a 2009 BMW 528i. The contact stated that the air bag malfunction warning light illuminated as the engine was started. The vehicle was not taken to the dealer for inspection. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 55,000.