So glad i went with the bmw branded part.

So glad i went with the bmw branded part.  Read Less

The splitting seam is an issue with the original tanks.

The splitting seam is an issue with the original tanks.  Read Less

What they don't tell you, and the reason it's only getting four stars instead of five, is that the little clip with the plastic...  Read More

What they don't tell you, and the reason it's only getting four stars instead of five, is that the little clip with the plastic tab that holds this tank to the radiator fittings doesn't come with the expansion tank.  Read Less

Was a perfect fit for my 2005 330 xi , would by again .

Was a perfect fit for my 2005 330 xi , would by again .  Read Less

Very happy and almost half price compared to the local bmw dealer.

Very happy and almost half price compared to the local bmw dealer.  Read Less

There are a lot of less expensive generic versions, but also forum complaints about leaks and other interface issues.

There are a lot of less expensive generic versions, but also forum complaints about leaks and other interface issues.  Read Less

This item came from the parts department of a bmw dealership and very affordable compared to the local stealership.

This item came from the parts department of a bmw dealership and very affordable compared to the local stealership.  Read Less

Anyone with a bmw that diy's knows that the expansion tank is one part only a true manufacturer part will work.

Anyone with a bmw that diy's knows that the expansion tank is one part only a true manufacturer part will work.  Read Less