Moroso - Aluminum Coolant Expansion Tank - E46 M3

Prevent catastrophe by replacing your aged, fragile plastic tank with a high-quality, long-lasting aluminum tank.

• Direct bolt-in replacement to stock, cracked or discolored tanks
• Fabricated Aluminum for strength, factory tanks fail after repeated high heat situations
• No cutting of factory hoses is required and accepts the factory clip-on hose
• Included is a Moroso Part No. 63324 racing radiator cap that operates in the same pressure range as the factory cap
• The Moroso radiator cap mounts to a billet aluminum neck that will not strip out like plastic threaded necks
• Easy to read slight level is included
• This aluminum tank can be polished, chromed, powder coated or left as-is

Vehicles Supported
BMW E46 M3