For Sale: 1994 BMW 840CI Green with Grey and Cream interior. I’m third owner on the car. The second owner bought the car BMW Certified Pre-Owned in Santa Clara they lived in Reno NV. nbsp; Then moved to Las Vegas Were I bought it. I have full records for work done on the car since 1998. Only issues with the car that I find. If the car sits for a long while You will get a Puff of Blue smoke. also about every third start I see a small amount. I have Been told might be a leaking valve seal. Also found a small fuel leak in the line between both tanks only leaks When the fuel tank is full. Passed Nevada Smog Test and no check engine light. Other then that the car runs like a champ and looks fantastic. recently done. new batterys. replaced valve cover gasket passenger side. tuneup. tires less than 1. 00 miles on the.