hi, i am in process of buying a bmw 318i 1993, its been stood for 2 to 3 yrs, problem is it wont start, starter sometimes jams, when it does turn over it wont fire up, should i buy the car, cheaply of course!, then change coil pack and leads, plugs stater motor, fuel pump relay or am i going to far to soon?, any advice would be most welcome, many many thanks guys,