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i recently sold my restored 3.0cs (sob, sob), and am now thinking about possibly purchasing a 635csi, but wanted to ask a few questions first:
1. this would be a daily driver for me. considering the age of these cars, how reliable would they be as everyday drivers?
2. are any of the parts overly expensive or hard to find for these cars?
3. do they have any inherent problems or weaknesses?
4. were some build years better than others?
thank you in advance for the help!!!!!!!
adam