- 550i and 550i xDrive Sedan (2014-16)

Note: Steel installation sleeve streamlines the process of installing valve stem seals. Takes the place of the traditional plastic sleeves that can only be used once and can be difficult to work with. Magnetic, making it easy to retrieve should it be accidentally dropped in the engine. The shorter length helps technicians effortlessly slide valve stem seals in place.

- 550i and 550i xDrive Sedan (2011-13)

Note: Steel installation sleeve streamlines the process of installing valve stem seals. Takes the place of the traditional plastic sleeves that can only be used once and can be difficult to work with. Magnetic, making it easy to retrieve should it be accidentally dropped in the engine. The longer length is designed for hard to reach areas by hand. No pliers or tools are required.