It works great in BMW cars and other makes with valve guide and seal problems. This innovative oil is Eco-friendly and will reduce carbon emissions from your engine. The extended drain interval will actually lower your overall oil usage. SuperGreen Sm okeLess Motor Oil was formulated by RedMax which has been manufacturing fuels and lubricants for the performance motor sports and automotive markets since 1969. You must drain all of the old oil out and change the oil filter for the best results.Our hours of operation are 9 - 5 Monday thru Friday Eastern Standard Time. The item "SuperGreen Smokeless Car Motor Oil (12 Quarts)" is in sale since Tuesday, November 15, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Other Parts". The seller is "redmaxfhs" and is located in Clover, South Carolina. This item can be shipped to United States.