p51, you got that right!
However, Deerfield River Laser (http://www.deerfieldriverlaser.com/) makes car sides for Tweetsie passenger cars, wherein you destroy several Bachmann passenger cars to get enough roofs and floors to finish a couple of cars. Unfortunately, DRL does not have kits for the ex-BRB&L cars, although maybe somehow a LaBelle kit could be made to work.