VANOS Chain Tensioner, OEM - E36, E46, E39, Z3, Z4, M50, M54, S52

This is the Upper Timing Chain Tensioner/Guide, located on the cylinder head, between the camshaft sprockets, and maintains the proper course/path for the engine's timing chain system. This part is listed by BMW as BMW part number 11311738700 (11-31-1-738-700) and is described as Upper Timing Chain Tensioner Guide, as used in the engine of many 6 cylinder models found in E36, E46, E39, Z3, and E60 chassis BMWs. For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

This tensioner guide (upper) fits the M50, M52, M52TU, M54, M56, S50, and S52 BMW engines. 

Supercedes / Replaces Old Part #:
11311726502 (11-31-1-726-502)

This is an OEM chain tensioner manufactured by INA - the original supplier to BMW for this part, as well as many other timing components. As the OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.