BMW waterpumps have a very high failure rate due to the light design of the shaft bearings, BMW owners have reported waterpump failures at as low as 23,000 miles. When the waterpump fails it normally causes hundreds of dollars in collateral damage from the spinning fan hitting the radiator and other components. Do not fall victim to this problem. Preventative waterpump replacement will save you money. (steel impeller) .. Made by Graf. Ordering Tips
