Bill and Steven -- Thank you much for your replies. You are absolutely right that I should have changed the oil before even starting the car. Prior to starting the engine, the oil on the dipstick looked fine (no water), but that was not a good indication of the condition of the oil, as I now know. Y...

Hello -- Perhaps some of you can help on this. I have a 1985 740 Turbo automatic with 181K miles that was sitting for 4-1/2 years. Not good, I know. The car ran fine, smooth, and strong when last run. It was my main car, and ran great, as I remember. (I stopped driving it after purchasing a used '96...