On the port side of the motor,(opposite side of above picture),there is a pipe plug approx. half way back, above the pan rail casting. By removing this plug, you can use a larger diameter hose on your suction device of choice. While helping an e 29 owner this summer,(he had water in the crankcase),we found this to go much faster. We changed the oil 3 times to get it clear. You can also move the hose around inside th panto pick up almost all of the oil.Kind of like a vacuum cleaner. The only down side, when the engine is warm, wear a long sleeve shirt. It helps to locate and loosen the plug before the motor gets hot. Oh, one more downside, you don't get to consume as much of your favorite brew. Good luck, Harold