Chain Tensioner Screw Plug, BMW - M42, M44

This part is listed by BMW as BMW part number 11311721579 (11 31 1 721 579) and is described as the screw plug / cap / cover found on the timing chain tensioner on M42 and M44 engines in E30 318i, E36 318i, and Z3 1.9. It does not come with the crush seal washer - see Related Items below.

This is a Genuine BMW timing chain tensioner plug 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.