The E9 3.0CS is perhaps the better known of BMW's late 60's to early 70's shark nose New Six designs, however, these days the 'C' stands for costly as they are rapidly shooting out of the realm of affordability. Worry not, there remains some refuge from market valuation in the E3 sedan, or Bavaria. Find this 1973 BMW 3.0S Bavaria here for sale in Cumming, GA for only $1,500 via craigslist.