Back in 2004 when I bought my 2001 VW Golf TDI from an out of state private seller, I spent a few hours on tdiclub.com to learn as much about the car as I could. I bought a $60 Bentley shop manual off eBay and a Vag-Com OBD scanner. I bought a one-way ticket on Southwest for $29 and arrange for the owner to pick me…