Upper Timing Chain Tensioner Rail, BMW - E46 M3, MZ3 S54, Z4M

This part is listed by BMW as BMW part number 11317830159 (11-31-7-830-159) and is described as Genuine BMW Timing Chain Tensioner Rail, Upper, for S54 engines.

This part fits E46 M3 (2000-2006), Z3 M Coupe/Roadster (2001-2002), and E85/E86 Z4 M Roadster/Coupe (2006-2008).

This is a Genuine BMW S54 tensioner rail 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.