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

This is the original BMW 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 Genuine BMW 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.

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)

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.