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The Mishimoto aluminum coolant expansion tank for 1992–1999 BMW 3 Series (E36) is a TIG-welded direct-fit replacement with an engineered CNC-machined dipstick that doubles as a bleeder for correct cold coolant levels. The polished finish enhances engine-bay appearance and the all-aluminum construction improves durability during repeated temperature cycles. The unit installs in under one hour and is backed by Mishimoto's Lifetime Warranty.
Mishimoto 92-99 BMW 3 Series Aluminum Coolant Expansion Tank - Black
