The Mishimoto aluminum coolant expansion tank for 1992–1999 BMW 3 Series (E36) is a durable, TIG-welded replacement designed to improve longevity over plastic stock reservoirs. It includes a CNC-machined dipstick that functions as a bleeder for correct coolant levels, a polished finish for engine-bay aesthetics, and direct-fit compatibility with the E36 fan shroud kit. Installation is straightforward and the tank is covered by Mishimoto's Lifetime Warranty.
Mishimoto 92-99 BMW 3 Series Aluminum Coolant Expansion Tank