BMW OEM Cooling System Water Pump Pulley for X5 4.4i X5 4.8is 545i 550i 550i 645Ci 650i 650i 645Ci 650i 650i 745i 750i ALPINA B7 745Li 750Li BMW OEM Cooling System Water Pump Pulley BMW Manufacturer Warranty: 12000 miles or 1 year Please see Product Description below for vehicle compatibility.