AutoBuyGuide.com gives you all the details of each 2008 BMW 3-Series incentive program from the manufacturer and dealers. You may be throwing away thousands of dollars if you're not taking advantage of current incentive offerings! Popular 2008 BMW 3-Series incentives used to entice new car buyers are interest-free auto loans. BMW and its car dealers will utilize these cash, lease, and finance 2008 BMW 3-Series incentives to lure consumers to buy specific vehicles that they may have overstocked or to help clear out last year’s models. Occasionally, they will run factory-to-dealer BMW 3-Series cash incentives to encourage car sales.