BMW introduced the US spec E90 generation 3-series with a base model 325 and high end 330 model. The 330 would be powered by the last naturally aspirated inline-6 from the company that lived on sweet sounding I-6s for decades, but did they did save the best for last? Find this 2006 BMW 330ix 6-spd for sale in Cow Hollow, CA for $19,300 asking via craigslist. Tip from Kaibeezy.