From MInichamps, two of the Group 5 320is which competed in the 1977 DRM. The #4 GS Tuning / Warsteiner car of Jorg Obermoser and the #21 Team Hat car of Ronnie Peterson.

http://i10.photobucket.com/albums/a123/jinxvrs/BMW/05010825.jpg
http://i10.photobucket.com/albums/a123/jinxvrs/BMW/05010830.jpg
http://i10.photobucket.com/albums/a123/jinxvrs/BMW/05010834.jpg
http://i10.photobucket.com/albums/a123/jinxvrs/BMW/05010835.jpg
http://i10.photobucket.com/albums/a123/jinxvrs/BMW/05010836.jpg

:)

Steve

Nice BMW's, I saw a few race in the late 70's at Watkins Glen 6 hrs. They could never quite keep pace with the Porsche 935's. David Hobbs drove one in IMSA with some wins & poles.