High resistance in the electrical contacts may cause one or more of the rear lights to stop working. Intermittent light operation reduces the ability to warn other motorists of the driver's intentions, increasing the risk of a crash. Dealers will repair the affected vehicles as necessary to correct this concern.
 
Recalls
Recalls are issued for cars with safety-related defects or problems
2005 BMW 325i
One or More Rear Lights May Stop Working
Electrical & Lights, August 25, 2011