I've owned my 1995 BMW 740i for approximately five years or so. I am an enthusiast, and possess expert level knowledge. CONS: When considering purchase, these factors apply to most regarding suitability- Accurate service history is a must, unless one is well versed, and an expert as well. All repairs on a vehicle this age are expensive. Are you a hands on "DIY" individual? Not all shops are reputable, & are sometimes not capable of making repairs to this car, regardless of their general knowledge. Given the overall depressed used auto market, one is hard pressed to find a better value than one of these. This car is loaded with greatness.
PRO: A stunning, very safe, fun to drive vehicle-- even at 15 years old now- still a heck-of-a-lot better car than many new ones. Do your research on options, models, years to make an informed purchase. A favorite BMW I've owned- and I've driven them for 20+ years.
Key considerations would be display pixel longevity, inferior design window regulators. Worth mentioning, the Nikasil block compound is a non-issue with the 4.0 engine at this point, if the vehicle runs smooth. These blocks are longer lasting, (used in racing) if not affected by the old fuel.