THE FUEL PUMP ON MY R 1200 ST MOTORCYCLE IS MOUNTED INSIDE THE FUEL TANK AND PROVIDES FUEL UNDER PRESSURE TO THE PRESSURE REGULATOR. FUEL EXITS THE TANK THROUGH A QUICK DISCONNECT FITTING SCREWED INTO THE PLATE ON WHICH THE FUEL PUMP IS MOUNTED. DURING A ROUTINE INSPECTION I NOTICED CRACKS AROUND THE THREADED HOLE THAT THE QUICK DISCONNECT FITTING SCREWS INTO. BOTH THE QUICK DISCONNECT FITTING AND THE PLATE WITH THE THREADED HOLE ARE PLASTIC. IF THE CRACKS CONTINUE TO GROW, FUEL UNDER PRESSURE WILL LEAK ONTO MYSELF AND HOT ENGINE PARTS, CAUSING SIGNIFICANT DAMAGE AND INJURY. THE PARTS IN QUESTION ARE USED ON NUMEROUS OTHER BMW MOTORCYCLE MODELS, INCLUDING THE OTHER R 1200 MODELS, K 1200 MODELS, AND K 1300 MODELS.