URO Parts Aluminum Engine Oil Pan Upgrade BMW N20 / N26Upgrade your BMW N20 N26 engine with the URO Parts Aluminum Oil Pan conversion. Made from high quality materials, this aluminum oil pan will provide superior durability and protection for your engine over the plastic unit that comes standard on RWD N20 N26's from factory. Made of aluminum which has significantly better heat dissipation, and with an improved gasket and 2 drain plugs included, this kit is everything you need to convert to the strongest