BMW — Assembly specification for timing chain tensioner:...

11.21 RS110060 Removing and installing chain tensioner e Caution: Do not accidentally confuse the chain tensioner pis- tons. When installing, fit a new gasket. Assembly specification for timing chain ten- sioner: Removal: • Remove timing chain tensioner, then remove camshaft sprocket from camshaft. Installing: • First install camshaft sprocket, then timing chain tensioner. e Caution: Failure to observe this sequence can cause the chain tensioner piston to fall into the left side of the timing chain cavity. X Tightening torque: Chain tensioner............................................ 32 Nm