1986 BMW 325 Engine: 2.7L L6;. 1987 BMW 325 Engine: 2.7L L6;. 1988 BMW 325 Engine: 2.7L L6;. Part Type: Engine Water Pump Gasket. Water Pump Gasket. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.