Shop 1988 BMW M6 Engine Timing Chain Tensioner. M3; Upper. Z3; M Coupe/Roadster; Upper. Z4; Upper. CAMSHAFT, CRANKSHAFT - OEM BMW Part # 11317830159 (11-31-7-830-159)

Engine Timing Chain Tensioner. Tensioner Arm.
An oil pressurized Tensioner that keeps the Chain that runs from the crankshaft to camshaft or the Chain that runs from camshaft to camshaft, from becoming loose and jumping a tooth or more causing Engine damage or out of sync crankshaft to camshaft Timing. Crank To Cam.

Engine Timing Chain Tensioner

Fits M3, Z3, Z4

M3; Upper. Z3; M Coupe/Roadster; Upper. Z4; Upper.