The plastic ends are newer. If you have a metal end, and would like to use a plastic end, you must buy part #19 here:Originally Posted by markus
http://www.realoem.com/bmw/showparts...=11&fg=30&hl=3
Otherwise, the plastic filter will not fit correctly inside the stock filter housing.
I switched mine to use plastic end filters, so I had to seek out part #19.
Fortunatly a dealer within an hour from me had it. The guy behind the parts counter had never even seen it before and didn't even know he had it!!!
So, you can use either, just depends what you already have. If you do have a plastic end, make sure you have part #19 inside your oil filter housing, it is needed to make the plastic end oil filters fit correctly.