Belt Tensioner, BMW - F8X M2/M3/M4 (S55)

This part is listed by BMW as BMW part number 11288088632 (11 28 8 088 632) and is described as the mechanical belt tensioner for the S55 engine used in F87 M2 Competition and CS Racing, F80 M3, and F82/F83 M4 and M4 GTS.

Note: M4 GT4 uses an N55 belt tensioner, BMW part #11288604266.

This is a Genuine BMW S55 belt 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.