This is the drain pipe from the Bank 1 turbo on N63 engines used in F10 550i, F06/F12/F13 650i, F01/F02 750i, and X5/X6 50i. BMW recommends this oil line be replaced during any turbo work or replacement. A gasket seals the hose to the turbo and an o-ring seals it to the oil distribution block.
This is BMW part number 11429454094 (11 42 9 454 094) which replaced the older / former / obsolete BMW part number 11427577010 (11 42 7 577 010).
This is a Genuine BMW N63 oil drain hose 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.
BMW Fitments:
5 Series
F10 / F11 (11-16) > 550i
F10 / F11 (11-16) > 550i xDrive
6 Series
F12 / F13 (12-18) > 650i
F12 / F13 (12-18) > 650i xDrive
7 Series
F01 / F02 (2009-2015) > 750Li
F01 / F02 (2009-2015) > 750Li xDrive
F01 / F02 (2009-2015) > 750i
X5 Series
E70 X5 (07-13) > X5 xDrive50i (11-13)
X5 Series
F15 X5 (2014-2018) > X5 xDrive50i (14-18)
X6 Series
E71 X6 (2008-2014) > X6 xDrive50i (08-14)
X6 Series
F16 X6 (2015-2019) > X6 xDrive50i (15-19)