hi there,im jim and am thinking of purchasing the 730d, around 03-05,is there anything i should know about this model??,any known problems ? what would i expect on a motor way run at 80 - 90 mph? are there plenty of good independants to keep the cost down,? ie if i drive goes is there cheap ways of getting replacement parts,thanx in advance for any replies,i currently run the volvo d5, its an excellent motor,and is very reliable regards jim