Check the listing for details. BMW Radiator Overflow Coolant Expansion Tank Bleed Screw 11537793373. Condition: New, Made in United States. Listed at 4.39 USD. All parts purchased from DeutschepartsUSA carry a full unconditional one year warranty from date of purchase to be free of all defects in material or workmanship. Should a part fail within the twelve (12) month warranty period, DeutschepartsUSA will provide an immediate replacement of the part. This Warranty Replacement Policy does not provide for a refund of the purchase price, and/or any labor costs involved in the removal and installation of the part. Additionally, DeutschepartsUSA is not responsible for any loss of use in service or repair costs incurred for incidental damage resulting from the failed product. DeutschepartsUSA is not liable for any loss, cost, expense, inconvenience or damage that may result from use or inability to use the product. Under no circumstances shall Deut.