Diagnosing oil leaks in cars can be challenging as the visible oil may not reveal the actual source of the leak.An E70-generation BMW X5 from 2008, powered by a BMW N62 engine, is particularly difficult to diagnose due to its complexity.The N62 engine in the BMW X5 has multiple hidden connections on the intake manifold that complicate the diagnosis process.Despite advancements in SUV technology, such as in BMW's flagship X5, finding the source of an oil leak remains a cumbersome task for mechanics.