Timing Tensioner Spring - 2002, E21 320i, E30 318i (M10), 533i/535i/635CSi/735i (M30)

This part is listed by BMW as BMW part number 11310731115 (11 31 0 731 115) and is described as the Timing Chain Tensioner Spring for M10 and M30 engines in the 2002, E21 320i, E30 318i, E28 533i/535i, E34 535i, E24 635CSi, and E32 735i.

This is a Genuine BMW tensioner spring 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.