Genuine OEM BMW Engine Oil Pan Top, part number 11139845700. This is the upper section of a two-piece engine oil pan, responsible for holding the engine's lubricating oil. It works in conjunction with the lower section to form the complete oil reservoir, ensuring adequate oil supply to the engine's moving parts. The part weighs 6.636 kg. Genuine BMW oil pan components are manufactured to exact specifications, ensuring a perfect fit and robust performance under demanding engine conditions.