Fits: BMW E46 M3, '01-'06

• Direct bolt-in replacement to stock 2 piece plastic tank
• Fabricated Aluminum for strength, factory tanks fail after repeated high heat situations & age
• 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 for a race look