ON CERTAIN MOTORCYCLES, THE PLASTIC FUEL PUMP FLANGE COULD COME INTO CONTACT WITH A SUFFICIENT AMOUNT OF ACID OR CHEMICAL COMPOUNDS CONTAINING ACIDIC ELEMENTS, SUCH AS BATTERY ACID OR CERTAIN CLEANING PRODUCTS.
THE FLANGE COULD BECOME BRITTLE, CRACK, AND ALLOW FUEL TO ESCAPE FROM THE FUEL TANK. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
DEALERS WILL INSTALL AN ACID-RESISTANT CAP OVER THE FUEL PUMP FLANGE. THE RECALL BEGAN JUNE 10, 2004. OWNERS SHOULD CONTACT BMW AT 1-800-831-1117.