This part is listed by BMW as BMW part number 17122754235 (17 12 2 754 235) and is described as a Blind Plug, typically used to block off coolant hoses or ports that are not in use.
This is a Genuine BMW blind plug with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
