Timing Chain Guide Rail, BMW - E39 540i, E38 740i/i, E53 X5 4.4i, 4.6is

This part is listed by BMW as BMW part number 11311745406 (11 31 1 745 406) and is described as the Timing Chain Guide Rail for the M62TU engine used in 1999+ E39 540i, E38 740i, E53 X5 4.4i/4.6is. This guide rail is on the driver side of the engine and keeps the chain in line with the crankshaft. It's made of plastic and will wear down with age and use. This is bad for the chain and engine operation in general.

This is a Genuine BMW guide 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.

BMW Fitments:

5 Series
E39 (97-03) > 540i
7 Series
E38 (95-01) > 740i
E38 (95-01) > 740iL
X5 Series
E53 X5 (00-06) > X5 4.4i M62 4.4L (99-03)
E53 X5 (00-06) > X5 4.6is M62