Back in the day, I had 3 of them - a 1970, '72, and a '75. The '72 was the best of them IMO, smaller bumpers, and round tail-lights. The '75 model I had never ran exactly right, due to emission controls at that time. They were light and tossable and fun to drive.
BMW has come a long way since those cars. BUT, a restored one would be a fun, weekend car. I wouldn't want it as my DD tho.
2012 328iTouring xDrive Black Sapphire
Previous BMWs - 2012 135i MSport 6MT Jet Black(sold), 2012 135i MSport LMB DCT(sold), 2011 X3 35i MSport VR (sold), 2009 M3 Sedan AW (sold), 2008 535xi MSport AW (sold), 2007 328xiT Barbera (sold), plus 11 others in the 70s & 80s.