Depending on the model, these various seals are located inside the vacuum pump and between the vacuum pump and the engine block. BMW 1 series E81 116i 2007/03-2014/09 1597 ccm, 90 KW, 122 HP. BMW 1 series E81 116i 2008/11-2014/09 1995 ccm, 90 KW, 122 HP.
