Timing Chain Tensioner Rail, Large - E30 M3

This is the large guide rail for the timing chain on the S14 engine used in the E30 M3.

This is a Genuine BMW large timing guide 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.