Genuine BMW Engine Timing Chain Tensioner - 11417835157 is a genuine BMW part designed to keep the timing chain tensioned and aligned properly, ensuring optimal engine performance and reliability. It is a direct replacement part for BMW models including E30, E36, E46, E39, E60, E65, E83, E90, E92, E93, F30, F31, F34, F10, F11, F12, F13, F15, F16, F20, F21, F22, F25, F26, F30, F31, F32, F33, F34, F36, F45, F46, F48, F52, F53, F54, F55, F56, F57, F60, G30, G31, G32, G38, G11, G12, G20, G21, G22, G30, G31, G32, G38, G01, G02, G05, G07, G08, G09, G11, G12, G20, G21, G22, G30, G31, G32, G38, G40, G42, G46, G50, G52, G60, G70, G80, G90, G91, G92, G93, G95, G98, G99.