Oil Pump Chain Tensioner, BMW - E82, F22, E9X, F3X, F8X, F10, X1/X3/X4/X5/X6 35i (N55, S55)

This part is listed by BMW as BMW part number 11417618943 (11 41 7 618 943) and is described as the Oil Pump Chain Tensioner for the N55 and S55 engines used in 2011+ 135, M235i, 335i, 435i, 535i, 640i, 740i, and X1/X3/X4/X5/X6 35i models. The tensioner keeps the oil pump chain at the proper tightness so the oil pump can function at optimal output.

This is a Genuine BMW chain tensioner with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.