Is there any site or thread someone can give me a link to read up on items to keep an eye out for when purchasing a high mileage e39?

http://www.autotrader.com/fyc/vdp.jsp?car_id=190840413&dealer_id=56776886&car_year=1998&search_type=both&make=BMW&transmission=Manual&distance=100&model=&address=12110&make2=sel_one&advanced=y&certified=&max_mileage=&max_price=18000&bkms=1133195088777&sort_type=priceASC&min_price=5000&end_year=2006&color=&start_year=1998&drive=&isp=y&engine=&doors=&fuel=&lang=en&cardist=97#vdptop

http://www.540i6.com/probsfixes.html

Perfect! Thanks!