This is an OEM Rear Main Seal for 11147797490 engines manufactured by Elring Klinger - an original supplier to BMW for many gaskets and seals. As an OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.
BMW Fitments:
3 Series
F30 / F31 / F34 (2012-2019) > 328d
F30 / F31 / F34 (2012-2019) > 328d xDrive
5 Series
F10 / F11 (11-16) > 535d
F10 / F11 (11-16) > 535d xDrive
X3 Series
F25 X3 (2011-2017) > X3 xDrive28d Diesel
X5 Series
F15 X5 (2014-2018) > X5 xDrive35d