How to change the oil on your 1995-2003 5-series or 1998-2005 3 series BMW. The BMW cars that have this engine are listed in this link: en.wikipedia.org Here are the parts you need: 1. A pan to drain the oil into 2. A wrench to undo the drain bolt which is an 18mm wrench or socket 3. A 36mm socket with corresponding wrench that fits it, or a large adjustable (thumb) wrench that expands at least 1 and 1/2 inches or 36mm. 4. Ramps or a jack with axle / jack stands to raise the front of the car in the air. Don't get under the car if it is on a jack. Run the drivers side wheels up on a high curb and crawl up in under that way if you have to.