I've come across a '73 Bavaria in my area I'm interested in. The seller says the car has been in storage for 7 to 8 years, but had a rebuilt engine 30k miles before entering storage. I'm wondering what general things need to be done to a car that's been sitting that long. I realize every car is different, but what typically needs to be done to make a long-sitting car drivable again? Any information regarding this would be very helpful. Thanks.