They had plenty of 318's sold back in the day. I drove one pretty extensively, and it was slooooow.
Those that want a tighter, lighter BMW can purchase a 1.
ED on 7/18/2014: 2014 550i, Space Gray, Mocha. M Sport, Cold Weather, DAP, Executive, Lighting
PCD on 9/6/2011: 2011 550i, DSB, black/oyster. Prem 2, Conv, Ventilated, HUD, Sport, DHP, SAT