BMW OEM Cooling System Water Hose - Water Pipe to Expansion Tank for 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi BMW OEM Cooling System Water Hose - Water Pipe to Expansion Tank BMW Manufacturer Warranty: 12000 miles or 1 year Please see Product Description below for vehicle compatibility.