This is an OEM Front Crankshaft Seal for S65, S85 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
E90 / E91 / E92 / E93 (06-13) > M3
5 Series
E60 / E61 (04-10) > M5
6 Series
E63 / E64 (04-10) > M6