The brake light switch may fail and stick in the "brake lamps on" or "brake lamps off" position. Inaccurate illumination of brake lights could lead to an accident. Dealers will inspect and replace the brake lamp switch with a new improved part.
 
Recalls
Recalls are issued for cars with safety-related defects or problems
2000 BMW 740iL
BMW Recalls 2000 3 Series, 5 Series, 7 Series Due to Brake Light Failure
Electrical & Lights, May 15, 2000