Engine Rear Main Seal - Corteco OEM - E9X M3, E60 M5, E63 M6

This is BMW part #11217838071 (11 21 7 838 071), described by BMW as the rear shaft seal for the S65 V8 and S85 V10 engines. It's rare that you only need this one seal, unless you're doing a clutch job. By the time you get to this point there are a lot of other gaskets and seals that should be replaced. BMW and Elring have a complete lower gasket set (BMW part #11110429839, click here).

This is an OEM rear main seal manufactured by Corteco - the original supplier to BMW for this part, as well as many other gaskets and seals. As the 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.