Sometimes called the forgotten BMW, the first generation 3 Series has a rising band of loyal fans. Timeless classic BMW styling, coupled with relatively low market values, make the E21 a great choice for enthusiasts wanting a sporty, fun-to-drive classic that doesn't break your pocket. This buyer's guide is a great tool for the seasoned enthusiast and potential owner alike, offering advice that can only come from years of ownership experience. Don't buy an E21 3 Series without it!