hi..i have 2005 x5 4.4..something weird or normal..if i put car in park and unlatch seatbelt then start driving without seatbelt fastened after a short time CHIME STARTS AND IS AUDIBLE FOR ABOUT 20 SECONDS THEN GOES OFF AFTER A FEW HUNDRED FEET TRAVELED IT COMES BACK ON AND FASTEN SEATBELT APPEARS IN DISPLAY THEN GOES OFF AND AFTER A SHORT DISTANCE STARTS ALL OVER AGAIN..THIS ONLY HAPPENS IF I UNLACTH WHILE ENGINE RUNNING IN PARK THEN I DRIVE AWAY..OTHERWISE IT WORKS OK..CAN ANYONE EXPLAIN IF NORMAL OR NOT...THAKNS ROB....