Part Type: Engine Water Pump Pulley. Aluminum Water Pump Pulley. 2004 BMW X3 BodyCode: E83;. 2005 BMW X3 BodyCode: E83;. 2006 BMW X3 Engine: 3.0L L6;BodyCode: E83;. Pulley Type: Fixed / groove. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.