I just bought a very clean 98 740i with 83,000 miles. What would you do as far as preventative maintenance right off. I'm going to change the oil, coolant, trans fluid and power steering fluid. Or am I being too anal? I have heard the nightmare stories from unhappy Bimmer owners but I have always wanted a 740i, so here goes. I have been working on cars all my life and am not afraid to get dirty. Any advice is greatly appreciated!!!