Get rid of the cracked plastic expansion tank and replace it with an aluminum expansion tank that will not only look good in your engine bay but also offer improved durability and reliability. The Achilles heel of many BMWs is the plastic components in the cooling system. The stock coolant expansion tanks are prone to failure due to constant temperature changes over time. However, the Mishimoto tank is made of TIG-welded aluminum, providing excellent durability and longevity. The engineers at Mishimoto have incorporated a CNC-machined dipstick, which also serves as a bleeder to maintain the proper cold coolant levels. The expansion tank comes in a polished aluminum or black powder-coated finish that adds a sleek touch to your engine bay. This expansion tank is a direct fit for both the stock and Mishimoto BMW E36 Performance Fan Shroud Kit. Direct replacement for OEM BMW part number 17111723520.
Upgrading the cooling system in a BMW E36 can provide several benefits, including: